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Silvana Arianti, Yoesti, und Yos Wahyu Harinta. „Sweet Potatoes: Development and Potential as Alternative Food Ingredients in Karanganyar Regency, Indonesia“. E3S Web of Conferences 226 (2021): 00050. http://dx.doi.org/10.1051/e3sconf/202122600050.
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Sweet potato is a local food that can reduce dependence on rice and flour consumption. It is the main source of carbohydrates, after rice, cassava, flour and corn. The benefits and potency of sweet potatoes as alternative food needs to be developed, especially in rural areas. However, sweet potato has not been considered as an important and high economic value commodity in Indonesia. Sweet potatoes have been used as food and non-food raw materials in developed countries i.e. noodles, fried sweet potatoes, desserts, confectionery, soy sauce, flour, wine, vinegar, nata de coco, bioethanol and others. Around 89 % of sweet potatoes in Indonesia are cultivated for providing food to rural communities, the rest are used for industrial raw materials and animal feed. The content of sweet potatoes includes carbohydrates, vitamins, and minerals. Yellow/orange sweet potato is rich in beta-carotene and purple sweet potato contains anthocyanin (antioxidants). Sweet potato production is still limited to traditional food that is less attractive compared to flour products. Meanwhile, intermediate products have been developed including flour, instant flour, and starch that can be used as a substitute for flour in pastry products, wet cakes, breads, and noodles.
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Mardhatilla, Farida, Edy Hartono und Firman Hidayat. „Accompaniment for Supplying the Chain in the Marketing of Sweet Potato (Ipomea batatas L)“. ABDIMAS: Jurnal Pengabdian Masyarakat 4, Nr. 2 (03.01.2022): 943–48. http://dx.doi.org/10.35568/abdimas.v4i2.1503.
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Kuningan Regency is the area that has potential in agriculture. One of the leading commodities in Kuningan Regency is sweet potato (Ipomea batatas L). Sweet potato cultivation continues to be developed, even in Cilimus District, it is known as one of the productive production centers in the West Java region which provides sweet potato supplies to several areas to supply sweet potato needs in the West Java region. The problems are faced by farmers today including the increasingly erratic price of sweet potatoes, lack of market opportunities, product diversification, and mastery of cultivation technology. This service activity was carried out in Cilimus Village, Cilimus District, Kuningan Regency with partners of sweet potato farmers. The purpose of this assistance is to provide supply chain assistance for sweet potato marketing so that farmers are able to continuously market sweet potatoes above the production price. Mentoring activities were started from identification of sweet potato problems at the farmer level, identification of production and identification of markets. The using of method is interactive discussion and market mapping conducted together with farmers. Focus Group Discussion (FGD) was used to confirm the cultivation system, production, and marketing system of sweet potato. The result of this activity is that farmers know the marketing potential of sweet potatoes other than middlemen and the quality criteria of sweet potatoes according to industry demand. In addition, farmers also use sweet potatoes as animal feed.
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Wira Supati, M. Mutawalli, Salnida Yuniarti Lumbessy und Dewi Putri Lestari. „PEMANFAATAN EKSTRAK UBI JALAR UNGU (Ipomea batatas L.) SEBAGAI SUMBER PREBIOTIK PAKAN KOMERSIL PADA BUDIDAYA IKAN MAS (Cyprinus carpio)“. Journal of Fish Nutrition 1, Nr. 1 (30.06.2021): 70–80. http://dx.doi.org/10.29303/jfn.v1i1.161.
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Goldfish is one of the freshwater cultured fish that is favored by the community both for consumption and as ornamental fish. Sweet potato (Ipomea batatas L.) is a plant that can be used as a prebiotic in fish feed. Sweet potato (I. batatas L.) is an annual plant that grows in the tropics. Sweet potatoes contain lots of carbohydrates, provitamin A, B vitamins, vitamin C, minerals, and a little fat and protein. This research is an experimental study using Completely Randomized Design (CRD) with 4 treatments and 3 replications each, so the number of experimental units is 12 units. P1 : commercial feed (control), P2: purple sweet potato extract 4 ml / 100 g feed, P3: purple sweet potato extract 8 ml / 100 g feed, P4: purple sweet potato extract 12 ml / 100 g feed. The data obtained were tested using Analysis of Variance (ANOVA) at a 95% confidence level through the SPSS program to determine the effect of each treatment.
Keywords: Purple Sweet Potato Extract, Carp, Growth, Prebiotics, Nutrient Retention.
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Arenas, Rene V., Hafizur Rahman und Nelson A. Johnson. „Determination of Thiabendazole Residues in White and Sweet Potatoes by Liquid Chromatography with Fluorescence Detection“. Journal of AOAC INTERNATIONAL 78, Nr. 6 (01.11.1995): 1455–58. http://dx.doi.org/10.1093/jaoac/78.6.1455.
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Abstract A liquid chromatographic (LC) method was developed for determination of thiabendazole (TBZ) residues in or on whole, unwashed white potatoes (Solarium tuberosum) and sweet potatoes (Ipomoea batatas). TBZ is extracted from the potato homogenate with ethyl acetate and the extract purified and concentrated on a cation-exchange, solidphase extraction column. The extract is analyzed for TBZ residues by column LC with a cation-exchange column and fluorescence detection. Recoveries of TBZ from whole white potatoes fortified with TBZ at 0.05–20 ppm and from whole sweet potatoes fortified with TBZ at 0.005–0.1 ppm averaged 100 and 94%, respectively. The method is also applicable for quantitation of TBZ residues in white potato waste (dried peel) used as an animal feed additive. The present method for monitoring TBZ residues in white and sweet potatoes and white potato waste (dried peel) is simple, rapid, and sensitive.
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ISHII, Takumichi, Akira BEPPU, Ayumi NAKANISHI, Hiraku MORIKI, Ken YASUDA, Norio TABARA und Noriko YAMANAKA. „Detection of Ipomeamarone in Feed Sweet Potatoes on the Poisoning by Moldy Sweet Potatoes“. Journal of the Japan Veterinary Medical Association 65, Nr. 5 (2012): 355–59. http://dx.doi.org/10.12935/jvma.65.355.
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Zulkifli, N. A., M. Z. M. Nor, F. N. Omar, A. Sulaiman und M. N. Mokhtar. „Proximate composition of Malaysian local sweet potatoes“. Supplementary 1 5, S1 (03.01.2021): 73–79. http://dx.doi.org/10.26656/fr.2017.5(s1).045.
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Sweet potato (Ipomoea batatas (L.) Lam) is one of the main crops worldwide. However, systematic properties characterization of this crop is still required, particularly on the Malaysian local sweet potatoes. Hence, this study aims to determine the proximate composition and the energy value of five common varieties of local sweet potato (Anggun 1, Anggun 2, Anggun 3, White, and VitAto) in Malaysia. For each variety, three different parts of the tuberous root which were the skin, the cortex, and the mixture of cambium and parenchyma were characterized. The findings indicated that VitAto exhibited the highest starch (16.95% – 17.17%) and crude protein (0.86% – 1.15%) contents in all parts as compared to other varieties, hence reflecting its potentials to be further processed for a mass starch production. Among all the parts, the skin contained the highest crude protein, crude fat, ash and crude fibre, which can be further utilized to produce by-products such as animal feed. The findings in this study serve as a baseline for the future starch and byproducts production from local sweet potatoes.
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Segenil, Kalep, Linus Y. Chrystomo und Maklon Warpur. „Pengetahuan Tradisional Masyarakat Suku Nyalik tentang Ubi Jalar [Ipomoea batatas (L.) Lam.] di Distrik Silimo, Kabupaten Yahukimo Papua“. JURNAL BIOLOGI PAPUA 9, Nr. 1 (14.05.2018): 8–13. http://dx.doi.org/10.31957/jbp.102.
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Nyalik tribe community in Silimo District Yahukimo Regency Papua have traditional knowledge about the sweet potato (Ipomoea batatas (L.) Lam.) applied it in the cultivation. Traditional knowledge is knowledge of local community in an area that a culture tradition handed down from generation to generation. Traditional knowledge about the sweet potato is a wealth of local wisdom in Papua, which need to be investigated, developeds, utilized and conserved the types of sweet potatoes which is quite much and widely spread in Papua. It is important to support local food diversification program and to improve national food security. The method of the research is descriptive qualitative method by doing observation. Data was obtained from the original source of the sweet potato farmer as respondent by using questionnaire and also measurement and documentation in the field. The result showed that Nyalik tribe people have recognized, identified and cultivated 33 types of sweet potatoes and grouped them according to their used into 5 groups: as for baby food or children, adult food, sick person, traditional ceremonies and animal feed. Nyalik tribe community has a traditional knowledge about the sweet potato and cultivation system and also how to overcome the obstacles in sweet potato cultivation. Keywords: Traditional knowledge, I. batatas, Nyalik tribe, Silimo, Yahukimo
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Asmawati, Endahin, und Arif Herlambang. „PEMBERDAYAAN MASYARAKAT DALAM PENGELOLAN HASIL PERTANIAN UBI JALAR DI DESA SELOTAPAK“. PEDULI: Jurnal Ilmiah Pengabdian Pada Masyarakat 4, Nr. 1 (03.04.2020): 1–12. http://dx.doi.org/10.37303/peduli.v4i1.142.
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Selotapak is one of the villages in the Trawas District area of Mojokerto Regency, East Java. This village is one of the sweet potato producing communities. At the time of harvest, the harvest reaches 40-50 tons per hectare. But often at the time of harvest, the price of sweet potatoes becomes very low. This price makes farmers unable to benefit, even many who lose. On the other hand, the storage period of sweet potatoes is also not long. The farmers must immediately sell their crops. Therefore another alternative is needed in marketing sweet potatoes so that the selling price can increase. One way to do this is by processing sweet potatoes into other products with longer shelf life and higher prices. In this activity, training in preparing sweet potatoes into several products, namely flour, noodles, brownies, roll ice cream, and yoghurt. This activity can be done through PKK empowermen and several youth organizations. Based on the training results, over 80% of the training participants feel the benefits of the training,. The participants can practice it independently in producing this sweet potato-based product. By making sweet potatoes into flour, the storage period extended. Sweet potato flour can be used to make other food products that become superior products in the village of Selotapak. For the sustainability of sweet potato processing, it is necessary to cooperate with all village communities in marketing their products. The role of the village government is essential in this regard, for example, by requiring presenting sweet potato products (at least one piece) as consumption in each village activity. For the next steps, supporting training is needed for the development of superior village products, for example training in making packaging and marketing.
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Fatwana, Nurullah, Siti Komariyah, Rosmaiti Rosmaiti und Iwan Hasri. „Evaluasi Pakan Alami yang Berbeda Terhadap Maturasi Lobster Air Tawar (Cherax quadricarinatus)“. Acta Aquatica: Aquatic Sciences Journal 8, Nr. 3 (01.12.2021): 198. http://dx.doi.org/10.29103/aa.v8i3.6030.
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This study was aimed to examine the different natural feeds on the maturnity of freshwater crayfish. The study was conducted on November 20th - January 21th 2021 in the UPTD BBI Lukup Badak, Takengon, Aceh Tengah. Test fish used is seed of cherax quadricarinatus measuring 52-75 g. Methods used in this study was Completely Randomized Design (CRD) with 4 treatments and 3 replications. The treatments in this study were P1 (Tubifex), P2 (505 tubifex, 255 carrots, and 25% sweet potatoes), P3 (50% tubifex, 25% bean sprouts, and 25% sweet potatoes), and P4 (50% tubifex, 25% papaya, and 25% sweet potatoes). Seeds of fish was put in a container maintenance with 42 liters of water volume and density of 1 tails per container. Frequency of feeding was 3 times a day at 08.00 am, 16.00 pm and 20.00 pm. The results showed that different natural feeding teratments had a very significant effect on the absolute weight and gonad maturity indexs (IKG).Keywords: Absolute weight, Cherax quadricarinatus, Gonad, Natural feed.
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Lesmanawati, Wida, Widanarni und Sukenda. „Aplikasi Sinbiotik Untuk Meningkatkan Performa Pertumbuhan Udang Vaname (Litopenaeus vannamei)“. Jurnal Sains Terapan 6, Nr. 1 (30.06.2016): 83–93. http://dx.doi.org/10.29244/jstsv.6.1.83-93.
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Synbiotic application shows better results compared to the single use of probiotics or prebiotics. SKT-b bacteria have been shown to act as probiotics for aquatic animals, as well as sweet potatoes that are known to act as prebiotics. This study aims to examine the synbiotic potential of SKT-b probiotic bacteria and oligosaccharide extract from sweet potato in improving the growth performance of vaname shrimp. Shrimp were treated with synbiotic feed with different prebiotic concentrations of 1% (Pro + Pre 1%), 2% (Pro + Pre 2%) and 3% (Pro + Pre 3%). The treated food was given to shrimp (weight ± 1.9 g) for 30 days. Oligosaccharides extracted from sweet potato can act as a prebiotic which increases the bacterial population in vaname shrimp’s intestine. The application of synbiotics can improve the growth performance of vaname shrimp including the addition of body weight, feed efficiency, digestive enzyme activity, protein retention and body fat of shrimp. The treatment of Pro + Pre 2% and Pro + Pre 3% shows better growth performance of vaname shrimp.
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Dinu, Maria, Rodica Soare, Konstantina Poulianiti, Ioanna Karageorgou, Eleni Bozinou, Dimitris P. Makris, Stavros Lalas und Mihai Botu. „Mulching Effect on Quantitative and Qualitative Characteristics of Yield in Sweet Potatoes“. Horticulturae 8, Nr. 3 (21.03.2022): 271. http://dx.doi.org/10.3390/horticulturae8030271.
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Sweet potatoes have multiple uses as food, feed, and in industrial production. They are characterized by their need for high temperatures for optimal development. This study aimed to analyze the quantitative and qualitative aspects of growing sweet potato cultivars in southwest Romania using mulching and non-mulching systems. The effects of mulching on the production of tuberous roots and the contents of total soluble substance, vitamin C, starch, total polyphenols, and antioxidant activity (DPPH) were evaluated in three cultivars with white pulp (the ‘Pumpkin’ and ‘Chestnut’ cultivars) and with orange pulp (the ‘Italian’ cultivar). It was found that mulching with polyethylene film improved the production of sweet potatoes, amounting to 41.42 t/ha in the case of the ‘Italian’ cultivar. Moreover, the effect of mulch induced increases in total soluble substance (16.40%) and starch (16.01%) in the ‘Chestnut’ cultivar, in vitamin C (9.23 mg/100 g d.w.) in the ‘Pumpkin’ cultivar, and in antioxidant activity in the ‘Pumpkin’ (2716.55 µmol AsA/g d.w.) and ‘Chestnut’ cultivars (1131.31 µmol AsA/g d.w.), while the polyphenols in the ‘Italian’ cultivar decreased.
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SOBAMIWA, O. „THE EFFECT OF REPLACING MAIZE WITH DRIED SWEET POTATOES ON THE PERFORMANCE OF LAYERS“. Nigerian Journal of Animal Production 15 (05.01.2021): 92–102. http://dx.doi.org/10.51791/njap.v15i.1214.
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Sweet potato was incorporated into layers diet to replace 0, 5, 10, 15 and 20 per cent levels of maize respectively. The effect on the performances of 26-weck old pullets for 10 weeks was studied. Replacement of maize with dried sweet potato up to 20% in layers ration, did not have an appreciable effect on feed intake, weight gain, total egg production, egg weight and feed conversion, as the apparent differences were not significant
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Samad, A. P. A., M. F. Isma, E. Ayuzar, Ilhamdi, R. Humairani und F. Santi. „Growth and survival rate of freshwater lobster (Cherax quadricarinatus) fed different forage feed“. IOP Conference Series: Earth and Environmental Science 956, Nr. 1 (01.01.2022): 012006. http://dx.doi.org/10.1088/1755-1315/956/1/012006.
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Abstract Lobster is among freshwater crustaceans which is potentially cultivated in aquaculture system. This present study was conducted to determine the growth and survival rate of freshwater lobster Cherax quadricarinatus fed different forage feed. The experimental methode used a completely randomized design consisted of 4 treatments in triplicate: commercial diet (PL), commercial diet and carrots (PW), commercial diet and potatoes (PK) and commercial diet and sweet potatoes (PU). The experimental lobsters were 5-7 cm in size and 6-8 g in weight. Results indicated that forage feeding can affect the total weight and length, weight gain, specific growth rate and survival rate of lobster. Data showed the best weight gain and specific growth rate were found in PW (34.37±0.30%) and (1.05±0.03%), respectively. The lowest survival rate was seen in PU at 86.67%. However, the best feed conversion ratio gained by PL at 1.74±0.09. This study suggested that the combination of commercial diet with carrots provided the best growth performances in freshwater lobster Cherax quadricarinatus.
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Al-Hajj, Nabil Q. M., Abdullah Almikhlafy, Mansour Ghalib, Methaq Algabr und Sallah A. Al-Hashedi. „OPTIMAL FORMULATIONS OF LOCAL FOODS TO ACHIEVE NUTRITIONAL ADEQUACY FOR 6-23-MONTH-OLD YEMENI CHILDREN“. Electronic Journal of University of Aden for Basic and Applied Sciences 3, Nr. 1 (31.03.2022): 1–12. http://dx.doi.org/10.47372/ejua-ba.2022.1.138.
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Nearly 4.5 million children under the age of five in Yemen suffer from acute malnutrition due to the high prices of imported baby food. Therefore, there is an urgent need to prepare and manufacture local foods of nutritious quality, cheap and available locally, to allow Yemeni families to feed their children and achieve public health. Six food mixtures (F1-F6) were prepared and manufactured from local field crops based on teff flour, rice, sorghum, wheat, sweet potatoes and lentils.The formations (Mixers) were roasted to improve the nutritive nutritional value and sensory attribute of formulated recipes. The protein level was calculated, fat, carbohydrates and mineral in all mixers using of Percentages. All the formulations were evaluated for their acceptability by trained panelists using a five point hedonic scale. Although, many formulations were found to be organoleptically acceptable recording moderately to extremely like scores, generally formulations F3 (Teff (15%), lentils (6.5%), sweet potatoes (18.5%), white corn (10%), wheat (30%) and rice (20%).) and F4 (Teff (30%), lentils (10%), sweet potatoes (10%), white corn (25%), wheat (13%) and rice (12%) were highly acceptable by panelists and scored significantly (P < 0.05) higher than the other formulated complementary foods. Their mean score ranged between 4.2 to 4.35 in terms of taste and general acceptability.
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Sampul, Meysi B., B. Tulung, J. F. Umboh und S. A. E. Moningkey. „PENGARUH PEMANFAATAN DAUN UBI JALAR (Ipomea batatas L) TERHADAP PERFORMANS TERNAK KELINCI“. ZOOTEC 38, Nr. 2 (28.06.2018): 314. http://dx.doi.org/10.35792/zot.38.2.2018.19912.
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THE EFFECT OF SWEET POTATO LEAVES (IPOMEA BATATAS) ON THE PERFORMANCE OF RABBIT. This study aims to examine the extent to which the use of sweet potato leaves on the performance of rabbit cattle include feed consumption, body weight gain and feed conversion. The study used 20 rabbits of New Zealand White rabbit aged 4-6 weeks with initial body weight 400-600 g / tail. The design of this study using Completely Randomized Design with 5 treatments and 4 replications with the level of sweet potato leaves in the feed that is R0: 0%, R1: 25%, R2: 50%, R3: 75%, R4: 100%. The data were tested by multiform analysis, if there is a real effect of further test using Test of Honest Significance Difference (HSD). The results showed that the provision of sweet potato leaves in rabbit fodder was significantly different (P<0.05) on rabbit performance including feed consumption, body weight gain and feed conversion` Keywords: Rabbit, Sweet Potato Leaf, Feed Consumption, Weight Gain, Feed Conversion.
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B. Pattikawa, Andrew, Antonius Suparno und Saraswati Prabawardani. „Nilai Nutrisi Umbi Ubijalar [Ipomoea batatas (L.) Lamb.] yang Dikonsumsi Bayi dan Anak-anak Suku Dani di Distrik Kurulu Kabupaten Jayawijaya“. Cassowary 1, Nr. 1 (04.01.2018): 47–54. http://dx.doi.org/10.30862/casssowary.cs.v1.i1.4.
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Sweet potato is an important staple food crop especially for the local people of Central Highlands Jayawijaya. There are many accessions that have always been maintained their existence to enrich the types of consumption. Traditionally, sweet potato accessions were grouped based on the utilization, such as for animal feed, cultural ceremonies, consumption for adults, as well as for for children and infants. This study was aimed to analyze the nutritional value of sweet potatoes consumed by infants and children of the Dani tribe. Chemical analyses were conducted at the Laboratory of Post-Harvest Research and Development Center, Cimanggu, Bogor. The results showed that each of 4 (four) sweet potato accessions, which were consumed by infants and children, had diverse nutrient levels. Accession Sabe showed the highest water content (72.56%), vitamin C (72.71 mg/100 g), Fe (11.85 mg/100 g), and K levels (130.41 mg / 100 grams). The highest protein content (1.44%), fat (1.00%), energy (154.43 kkal/100 gram), carbohydrate (35.47%), starch (30.26%), reducing sugar (3.44%), riboflavin (0.18 mg/100 g), and vitamin A (574.40 grams IU/100) were produced by accession Manis. On the hand, accession Saborok produced the highest content of ash (1.32%), vitamin E (28.30 mg/100 g), and B-carotene (64.69 ppm). The highest level of crude fiber (1.81 %) and thiamin (0.36 mg/100 g) were produced by accession Yuaiken.
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Yadnya, T. G. Belawa, AA A. S. Trisnadewi, I. Ketut Sukada und I. Gusti Lanang Oka. „The Effect of Fermented Purple Sweet Potato (Ipomoea batatas L) Skin in Diets on Feed and Anthocyanin Consumption, Carcass Characteristics, Anthioxidant Profile and Meat Texture of Bali Duck“. International Research Journal of Engineering, IT & Scientific Research 2, Nr. 9 (29.09.2016): 57. http://dx.doi.org/10.21744/irjeis.v2i9.268.
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An experiment was carried out to determine the effect of fermented purple sweet potato (Ipomoea batatas L) skin in diets on feed and anthocyanin consumption, carcass characteristics antioxidant profile and meat texture of Bali duck.. Five treatment diets were used in a completely randomized design (CRD) consisted of control diet A (diet without containing purple sweet potato skin), diet B containing 10% purple sweet potato skin, diet C containing 10% fermented purple sweet potato skin, diet D containing 20% purple sweet potato skin, diet E containing 20% fermented purple sweet potato skin.Each treatment consisted of four replications and each replicate had five ducks. The variables observed were feed and anthocyanin consumption,slaughter weight, carcass weight, carcass percentage, carcass physical composition, meat antioxidant profile (capacity antioxidant (CA), malondialdehide (MDA), and superoxide dismutase (SOD). Experiment results showed that diets with fermented or unfermented purple sweet potatoin diets treatments B, C, D, and E increased the anthocyanin consumption, slaughter weight, carcass weight, carcass percentage and meat percentage of duck carcass but decreased their fat and skin. Fermented purple sweet potato (Ipomoea batatas L) skin in C and E increased the antioxidant capacity(AC) and superoxide dismutase (SOD) while treatment B and D were not significantly different (P>0.05) to the control group. Malondialdehide (MDA) of the duck meat in treatment B,C, and D were significantly lower (P<0.05) compared to the control diet. Treatment E significantly increased the perimesium and endomesium of meat texture , but its experiment was not significantly different to the control group. It was concluded that substitution of fermented purple sweet potato (Ipomoea batatas L) skin in diets could improve of feed and anthocyanin, carcass characteristics, antioxidant profile, and meat texture of bali duck.
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Orunmiyi, M., G. S. Bawa und R. M. Musa. „Performance of weaner rabbits fed graded levels of sun-dried sweet potato tuber meal (Ipomea batatas) diets“. Nigerian Journal of Animal Production 33, Nr. 2 (09.01.2021): 186–91. http://dx.doi.org/10.51791/njap.v33i2.902.
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Forty weaned rabbits (8 weeks old) of mixed sexes and breed, with an average initial live-weight of 680g, were used in a nine-week feeding trial to evaluate their performance on diets in which sun-dried sweet potatoe tuber meal (Ipomoea batatas) was included at the rate of 0, 10, 20, 30 and 40% levels in a CP Isonitrogenous diets. Performance parameters showed that feed intake, weight gain and feed to gain ratio were not significantly different between treatments. Values obtained were poorer for the sweet potato based diets compared to the control. No mortality was recorded during the experiment. Carcass and oragn weights expressed as percentage of live-weight showed no significant differences (P>0.05) across the treatments. It was concluded that sweet potato meal can be included up to 40% level in diets of young rabbits.
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Vargas, Pablo Forlan, Dumon Ramiro Zanetti Godoy, Luis Carlos Ferreira de Almeida und Renata Castoldi. „Agronomic characterization of sweet potato accessions“. Comunicata Scientiae 8, Nr. 1 (06.04.2017): 116. http://dx.doi.org/10.14295/cs.v8i1.1864.
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The agronomic characterization of a genotype set is one of the basic steps to start a breeding program, as action strategies to search for new cultivars are defined through the knowledge of these characteristics. Thus, the aim of this study was to rescue and assess agronomic performance in accessions collected in traditional communities. Sweet potatoes were collected among “quilombos”, indigenous villages, native populations and small farmers from Vale do Ribeira. The study was conducted at UNESP, Registro Campus, from February/2013 to August/2014. The experiment was set in a randomized blocks design with 95 accessions, two commercial cultivars, Brazlândia Branca and Brazlândia Roxa (controls), with three repetitions. Total commercial roots production, percentage of commercial roots production, total roots dry matter production, roots dry matter percentage, fresh branches production, total dry matter production in branches and dry matter percentage in branches were assessed. Accessions VR13-62, VR13-61, VR13-44, VR13-11 and VR13-14 demonstrated characteristics of roots for consumption and VR13-11 and VR13-14 for industry consumption due to the high dry matter percentage obtained per hectare; VR13-35, VR13-87 and VR13-22 are adequate for animal feed purposes. VR13-11, VR13-22 and VR13-58 accessions can be used for human and animal consumption; VR13-48 was suitable for home and industry consumption; and VR13-4 and VR13-31 was suitable for animal feed and industry consumption.
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Suparno, Antonius, Saraswati Prabawardani und Andrew Bob Pattikawa. „The Nutritional Value of Sweet Potato Tubers [Ipomoea batatas (L.) Lamb.] Consumed by Infants and Children of Dani Tribe in Kurulu District, Baliem-Jayawijaya“. Journal of Agricultural Science 8, Nr. 3 (16.02.2016): 64. http://dx.doi.org/10.5539/jas.v8n3p64.
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<p>Sweet potato is an important staple food crop especially for the local people of Central Highlands Jayawijaya. There are many accessions that have always been maintained their existence to enrich the types of consumption. Traditionally, sweet potato accessions were grouped based on the utilization, such as for animal feed, cultural ceremonies, consumption for adults, as well as for children and infants. This study was aimed to analyze the nutritional value of sweet potatoes consumed by infants and children of the Dani tribe. Chemical analyses were conducted at the Laboratory of Post-Harvest Research and Development Center, Cimanggu, Bogor.</p><p>The results showed that each of 4 (four) sweet potato accessions, which were consumed by infants and children, had diverse nutrient levels. Accession Sabe showed the highest water content (72.56%), vitamin C (72.71 mg/100 g), Fe (11.85 mg/100 g), and K levels (130.41 mg/100 grams). The highest protein content (1.44%), fat (1.00%), energy (154.43 kkal/100 gram), carbohydrate (35.47%), starch (30.26%), reducing sugar (3.44%), riboflavin (0.18 mg/100 g), and vitamin A (574.40 grams IU/100) were produced by accession Manis. On the other hand, accession Saborok produced the highest content of ash (1.32%), vitamin E (28.30 mg/100 g), and B-carotene (64.69 ppm). The highest level of crude fiber (1.81%) and thiamin (0.36 mg/100 g) were produced by accession Yuaiken.</p>
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Kamari, K. „The Influence of Utilization of Sweet Potato Leaves (Ipomoea batatas) as an Eating Feed to Increase the Body Weight on Goat Crossbreed of Ettawa“. Chalaza Journal of Animal Husbandry 3, Nr. 2 (30.12.2018): 48–53. http://dx.doi.org/10.31327/chalaza.v3i2.872.
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Sweet potato leaf (Ipomoea Batatas) is a potential agricultural waste is used as animal feed to Goat crossbreed of Ettawa. Sweet potato leaf (Ipomoea Batatas) has a high enough protein content (> 20%), so it can be used as a source of protein goat crossbreed of Ettawa. This research aims to determine the effect of feeding of sweet potato leaves (Ipomoea Batatas) as feed on goat body weight of goat crossbreed of Ettawa. This research has been conducted in February to March 2015, located in Wonua Raya village, Toari district, Kolaka Regency. This research uses 12 goats crossbreed of Ettawa which is divided into 12 plots of cages. In this research, four levels of feeding treatment were applied: regular feed/Gamal leaf (R0), 90% Gamal leaves + 10% sweet potato leaves (R1), 85% Gamal leaves + 15% sweet potato leaves (R2), 80 % Leaf Gamal + 20% sweet potato leaves (R3). The results showed that the use of sweet potato leaves on weighing 15 days did not significantly affect the rate of body weight and had a significant effect on considering at day 30 (p
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Ibrahim, H., und O. J. Olaniyi. „Effect of sweet potato (Ipomoea batatas lam.) Peel meal as replacement for maize on growth performance and cost of feeding weaner rabbits“. Nigerian Journal of Animal Production 45, Nr. 5 (26.12.2020): 100–106. http://dx.doi.org/10.51791/njap.v45i5.300.
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The experiment was carried out to determine the effect of replacement of maize with sweet potato (Ipomoea batatas lam.) on growth performance and cost of feeding weaner rabbits (Oryctolagus cuniculus). A total number of thirty-six (36) weaned rabbit of mixed sexes were used for the experiment. The rabbits were allotted randomly into four dietary treatments and replicated thrice with three rabbits per replicate and were designated: control (T): normal 1 compounded diet without sweet potato peel meal, T had the compounded feed which 5% 2 sweet potato peel meal, T had compounded diet with 10% sweet potato peel meal and 3 treatment four (T) had the compounded diet with 15% sweet potato peel meal. The 4 experiment lasted eight weeks and data were obtained on growth performance and cost benefit. The parameters considered on growth performance include initial weight, final weight, total body weight gain, daily weight gain, weekly weight gain, daily feed intake, total feed intake and feed conversion ratio while that of cost benefit include cost of purchasing different experimental feed stuff. The results obtained on growth performance showed that there were no significant differences (p>0.05) in the parameters monitored. Cost of feeding was also not significantly different (p>0.05). However, higher profit index (174. 64) was recorded in T1 and lower benefit cost ratio (166.68) was recorded in T4 for total cost of feed intake per rabbit. In conclusion, sweet potato peel meal can be uses as a good replacement for maize in rabbit production without any adverse effect on the performance of rabbit.
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Kattakdad, Supalug, Krittima Saowakoon und Suriya Udduang. „Utilization of Sweet Potato as Pigment Source in Siamese Fighting Fish (Betta splendens) Feed“. ASEAN Journal of Scientific and Technological Reports 24, Nr. 2 (22.08.2021): 70–79. http://dx.doi.org/10.55164/ajstr.v24i2.242161.
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This study investigated the effect of different sweet potato varieties as dietary pigment sources on the coloration of Siamese Fighting Fish (Betta splendens). The experiment was conducted as a completely randomized design (CRD) with four treatments and three replicates. The experimental feed consisted of; control feed, 5 % orange sweet potato (OrSP), 5 % yellow sweet potato (YeSP) and 5 % purple sweet potato (PuSP). The experimental feeds were formulated with 31.18-32.01 % crude protein, 6.73 - 7.04 % crude fat and total carotenoids in control, OrSP, YeSP and PuSP were 15.63, 42.61, 38.79 and 32.32 mg/kg, respectively. Two-month male fishes were obtained from a reliable commercial farm and acclimated to the rearing environment. After the 8 weeks rearing period, the results showed that the final average weight, final average length, average daily gain, weight gain, specific growth rate and feed conversion ratio (FCR) were not significantly different between treatment groups (p > 0.05). However, dietary supplementation with sweet potato affected the color expression and carotenoid accumulation by Betta splendens. The lightness(L*) of fish fed with the control feed showed the highest value (p ≤ 0.05). The redness (a*) of fish fed with 5 % OrSP and 5 % YeSP was higher than in the other treatments (p ≤ 0.05) and the yellowness (b*) of fish fed with 5 % OrSP showed higher values than in the other groups (p ≤ 0.05). The results of carotenoid accumulation in each organ increased in all treatment groups. After 8 weeks, the fish fed with 5% OrSP showed the highest carotenoid accumulation in skin and scale, dorsal fin, anal fin and caudal fin as compared to the other groups (p ≤ 0.05).
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Khalil, H. M., und B. R. Henry. „Feasibility of utilizing sweet potato solids in extrusion cooking / Extrusión de pulpa de batata“. Food Science and Technology International 3, Nr. 3 (Juni 1997): 171–74. http://dx.doi.org/10.1177/108201329700300303.
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A fractional factorial design of four variables at two levels each was employed to assess the feasi bility and best parameter for extruding sweet potato solids (SPS) using a single screw extruder. It was determined that a high expansion ratio is a desired quality factor for this type of snack food, due to its contribution to textural perception. Preliminary trials on extrusion of sweet potato solids as the sole component in the feed resulted in brittle, dense, and burnt extrudate. The high sugar content (65% total sugar) of the sweet potato solids was cited as the cause of these attrib utes, consequently it was necessary to incorporate wheat flour into the feed to provide a starch matrix for expansion and to reduce sugar concentration. The controlled parameters were screw speed, barrel temperature, feed moisture content, and SPS level in the feed. Among all possible combinations of controlled parameters, the highest expansion ratio was obtained at a screw speed of 220 rpm, temperature profile of 110, 105, 115 and 105 °C, 13% feed moisture content, 50% sweet potato solids, and 0.5% leavening agent.
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Ekwe, C. C., I. Nwabueze und D. N. Onunkwo. „Comparative effect of feeding sundried sweet potato (Ipomoea batatas (L) Lam) meal and its whole meal to weaner rabbits“. Nigerian Journal of Animal Production 46, Nr. 4 (25.12.2020): 179–84. http://dx.doi.org/10.51791/njap.v46i4.287.
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An experiment was conducted to evaluate the comparative effect of feeding sundried sweet potato and its whole meal to weaner rabbits. The proximate analysis conducted revealed that sundried sweet potato meal and whole sundried sweet potato meal samples were rather low in protein contents as compared to maize. Twenty seven Weaner rabbits averaging 0.35kg were randomly allotted to 3 treatment groups in a completely randomized design. Each treatment group was replicated 3 times. Sundried Sweet potato meal and its whole meal replaced maize at 20% inclusion level. Treatments 1, 2, and 3 contained the control, sundried sweet potato meal (SSPM) and whole sundried sweet potato meal (WSSPM) respectively at 20% levels of inclusion. The weaner rabbits were fed ad-libitum throughout the experimental period. Significant differences (p<0.05) were observed for growth performance of the rabbits in average daily weight gain, average daily feed intake and feed conversion ratio in the weaner rabbits using sundried sweet potato and its whole meal. The values of mean daily weight gain ranged from 16.33g in treatment 2 (SSPM) to 18.47g in treatment 1 (control). Treatment 3 (WSSPM) gave a higher value that is comparable (p>0.05) to that of the control diet but better (p<0.05) than that of treatment 3 (SSPM). The values of average daily feed intake also ranged from 43g in treatment 2 (SSPM) to 50g in treatment 1 (control). WSSPM was consumed more than (p<0.05) than the SSPM which however influenced the cost of total feed consumed. Moreover, the values of feed conversion ratio (FCR) ranged from 2.54 in treatment 3 (WSSPM) to 2.70 in treatment 1 (control). Significant differences (p<0.05) were also observed in bio-economics of production of weaner rabbits using the test diets. The cost per kg feed, cost of total feed consumed per rabbit, cost per kg weight gain and revenue of the rabbits fed the test diets were significantly lower than the control diet however, the cost per kg weight gain was lower (p<0.05) for treatment 3 (WSSPM). For gross margin, WSSPM value was significantly higher (p<0.05) than SSPM value and the control diet. It was concluded that whole sundried sweet potato meal can be a good feed ingredient in rabbit diet.
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Baba, Syahdar, Ilham Syarif und Sitti Sohrah. „Faktor-faktor yang mempengaruhi adopsi pemanfaatan limbah pertanian sebagai pakan pada peternak sapi perah di Kabupaten Enrekang“. Livestock and Animal Research 19, Nr. 2 (24.07.2021): 178. http://dx.doi.org/10.20961/lar.v19i2.46815.
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<p class="MDPI17abstract"><strong>Objective: </strong>This study aim was to determine the factors that influence the adoption of agricultural waste utilization as dairy feed among farmers in Enrekang Regency.</p><p class="MDPI17abstract"><strong>Methods: </strong>This research was conducted from July to September 2019 in Cendana and Anggeraja Districts, which are the centers for dairy cows in Enrekang district. The number of farmers in these two sub-districts were 261 people or 72% of the total population of dairy farmers in Enrekang district. The number of respondents were 77 who were selected using the simple random sampling method. Data collection was carried out by trained enumerators using a questionnaire. Data analysis used the F test to determine the effect of the independent variable on the dependent variable (adoption of agricultural waste utilization) and the t test for the partial test of each independent variable. The mathematical model used was a logistic regression model because the variable adoption of agricultural waste utilization was a dichotomous variable.</p><p class="MDPI17abstract"><strong>Results</strong><strong>: </strong>The results showed that the most common types of agricultural waste used as feed in the dry season were sweet potato leaves and rejected sweet potatoes (50.6%), while in the rainy season it was sweet corn straw (30.6%). The method of utilizing agricultutral waste as feed was: directly given to dairy cattle (53%), withered first (25%), fermented (11%) and mixed with concentrate (11%). Factors that influence the adoption of agricultural waste as feed were the number of lactating dairy cattle (X1), contact with extension workers (X4) and the age of farmers (X5). Meanwhile, the cosmopolite variables (X2), formal education (X3), length of farming (X6) and number of families (X7) did not affect the adoption of agricultural was as feed.<strong></strong></p><strong>Conclusions: </strong>To increase the adoption of agricultural waste as feed, the intensity of extension needs to be increased, especially for older breeders with 1 - 3 heads of lactating cattle.
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Sembiring, Michael Rapagha, Elisa Julianti und Linda Masniary Lubis. „In vivo study of the hypocholesterolemic effect of bread made from flour, starch, and fiber-rich flour from purple sweet potato on rats“. E3S Web of Conferences 332 (2021): 08001. http://dx.doi.org/10.1051/e3sconf/202133208001.
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This research was purposely to study and determine the physicochemical characteristics, sensory and hypocholesterolemic effects of purple sweet potato bread made from flour, starch, and fiber-rich flour from purple sweet potato starch processing waste on white male species Wistar rats conducted in vivo. This study used a non-factorial randomized block design model with the treatment of 100% standard feed, 25% mixture of purple sweet potato bread, and a combination of 50% purple sweet potato bread to healthy rats, and treatment of 100% standard feed and gemfibrozil, 25 % mixture of purple sweet potato bread, and a mixture of 50% purple sweet potato bread against hyper cholesterol rats. This research result shows the different hypocholesterolemic effects on the percent decrease in total cholesterol, triglycerides, LDL (Low-Density Lipoprotein), and an increase in HDL (High-Density Lipoprotein) in the 1blood serum of rats as test animals.
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Edache, J. A., C. D. Tulen, R. U. Muiduudtai und A. G. Yisa. „Performance and carcass values of Japanese quails (Coturnix coturnix japonica) fed processed sweet potato (Ipomea batatas) meal diets.“ Nigerian Journal of Animal Production 42, Nr. 2 (16.01.2021): 45–57. http://dx.doi.org/10.51791/njap.v42i2.2618.
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A six-week feeding trial was carried out to investigate the effect ofprocessing of sweet potato tuber on growth parameters and carcass values of Japanese quails. Five isonitrogenous (25%CP) diets were compounded. The control diet (A) had zero sweet potato tuber meal. The other four diets (B, C, D and E) contained sweet potato tuber. meal processed in different ways (unpeeled, peeled, unpeeled and cooked and peeled and cooked) replacing maize at 15.60% of the diet. 300 day-old Japanese quail birds (of mixed sexes) were randomly assigned the diets in a completely randomized design. Feed and water were provided ad libitum. Each diet was allocated to 60 quail chicks which were further divided into three replicates of 20 birds each. None of the indices measured (feed intake, water intake, weight gain, feed conversion ratio, feed cost/gain, protein intake, energy efficiency ratio and protein efficiency ratio) differed significantly (p>0.05) from the control. Energy intake was, however, higher (p<0.05) on the control than on the sweet potato diets. Carcass values measured showed that bled weight and plucked weight were significantly (p<0.05) heavier on the peeled and cooked sweet potato than on the unpeeled. Dressed weight and dressing % were better (p < 0.05) on the peeled and cooked than on the rest of the diets. Wing % was worse (p < 0.05) on the peeled and cooked sweet potato than on the rest of the diets while drumstick % was worse (p < 0.05) on peeled and cooked than on the control only. Results show that processed sweet potato can replace maize at 15.60% of the diet of quail chicks without adverse effect on performance or on carcass values and has a cost saving of 1.5% over the control diet.
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Poore, Matthew H. „Use of Byproduct Feeds in Southeastern Beef Production Systems“. Journal of Animal Science 99, Supplement_2 (01.05.2021): 18. http://dx.doi.org/10.1093/jas/skab096.030.
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Abstract Byproducts are an important component of many beef production systems in the southeast. A variety of byproducts are used as supplemental nutrition for pastured cattle, and a byproduct-based total mixed ration is commonly used in backgrounding enterprises. Byproducts of corn (wet and dry milling), soybean, cotton, peanuts, rice, citrus, brewing and vegetable processing are widely available. Regional availability will determine what optimal byproducts will be for a given area. The value of an alternative feed for beef cattle is commonly determined based on the TDN and CP levels relative to corn and soybean meal (the Peterson Method). This simple approach allows the user to calculate a $ per ton value at a given corn and soybean meal price, but may result in misleading information. Research comparing alternative feeds to the standard often find that a “realized value” is different than the calculated value. Intake may be stimulated or depressed by a given ingredient. Hidden costs including handling and shrinkage are often a problem for wet materials. Sometimes dramatic side effects occur despite a high calculated value for the feed. For example, fermented sweet potato cannery waste has a very high nutritive value that is realized when fed at low levels in a total mixed ration. However, when fed free-choice, it may cause severe dental erosion resulting in reduced gains in yearlings and early tooth loss in cows. Culled cured sweet potatoes coming from cold storage have a high calculated value yet can cause death in cows because of a lung toxin. There is actually a limited amount of research published with byproducts in southern beef production systems. Due to diversity of forage-base and wide variety of ingredients with potential associative effects, more research is needed to fully understand how byproducts are best utilized.
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Arini, Diah Irawati Dwi, und Yermias Kafiar. „Prefered Feed of Anoa (Bubalus sp.) at Manado Forestry Research Institute Captivity“. Jurnal Wasian 1, Nr. 2 (22.12.2014): 83. http://dx.doi.org/10.20886/jwas.v1i2.857.
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The present study aims to determine the type of fodder available and the level of scarcity of Anoa’s fodder at the condition prior to captivity at the Forestry Research Institute of Manado. The method employed was a trial of 12 (twelve) types of fodder available around the captivity site given to 2 (two) female anoas. The data were analyzed and displayed in tables and graphs while the data of preferred fodder were analyzed using Neu’s index equation. The findings suggest that anoa put in captivity at the Forestry Research Institute of Manado did not encounter problems during the process of feeding adaptation. The average fodder needs required anoa at the captivity site of the Forestry Research Institute of Manado range from 10.2 to 11.7 kg/ day in which the fodder was given twice a day. Meanwhile, based on the availability and ease of supplying the fodder from around the captivity site, the following are the types of fodder from higher to lower preferences, namely: field grass, kangkung, shoes banana, string beans, beans and cucumbers, respectively. While fodder with the lowest level of scarcity is the type of fodder with a hard texture such as sweet potatoes, carrots or potatoes. Based on the results of a number of studies, it is recommended that variations in anoa’s fodder can be done every 4-5 times a day.
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Onyimba, I., A. Ogbonna, J. Egbere, H. Njila und C. Ogbonna. „Bioconversion of Sweet Potato Leaves to Animal Feed“. Annual Research & Review in Biology 8, Nr. 3 (10.01.2015): 1–6. http://dx.doi.org/10.9734/arrb/2015/19290.
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Machado, M. C., M. N. Corrêa, G. V. Kozloski, L. Oliveira, C. C. Brauner, A. A. Barbosa, K. B. Cardoso und F. A. B. Del Pino. „Sweet potato (Ipomea batatas) feed affects intake, digestibility and nitrogen retention of ovine fed with ryegrass hay (Lolium multiflorum Lam)“. Arquivo Brasileiro de Medicina Veterinária e Zootecnia 74, Nr. 1 (Februar 2022): 169–75. http://dx.doi.org/10.1590/1678-4162-12309.
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ABSTRACT This study aimed to evaluate sweet potato feed as an alternative energy supplement for ovine. A latin-square design was used to assess the effects of feeding the animals 0, 0.5, 1 and 1.5% their body weight in sweet potato as well as ryegrass hay (Lolium multiflorum) twice daily, mineral salt and water ad libitum. During this study 8 males were housed in metabolic cages with urine and feces collectors. Each round of experimentation consisted of 14 days adaptation followed by 5 days evaluating the diet, left-overs, feces, and urine to determine intake, digestibility, and nitrogen retention. The results show a linear increase in intake of ryegrass hay, FDN, DM and OM because of the increasing supplementation levels. Similarly, we observed a linear increase in DM and OM intake, as well as in the OM digestibility. Additionally, BP digestibility decreased considering nitrogen excretion. In conclusion, sweet potato feed is a viable alternative for ovine receiving ryegrass hay since it increased DM and OM digestibility, albeit reducing NDF and BP digestibility.
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Frengki Damu Lodu, Ni Ketut Etty Suwitari und Luh Suariani. „Response of Native Chickens (3-10 Weeks) Fed on Diets Substituated With Graded Levels of Sweet Potato Fermentation“. SEAS (Sustainable Environment Agricultural Science) 6, Nr. 1 (09.05.2022): 58–63. http://dx.doi.org/10.22225/seas.6.1.4887.58-63.
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The purpose of this study was to determine the effect of giving fermented sweet potato waste in the ration on the appearance of native chickens aged 3 - 10 weeks and to find out what percentage of the level of use of fermented sweet potato waste in the ration. This study used a completely randomized design (CRD) with 5 treatments and 3 replications. The treatments consisted of: R0 = ration without additional fermented sweet potato waste as control, R1 = ration containing 3% unfermented sweet potato was, R2 = ration containing 3% fermented sweet potato waste, R3 = ration containing 6% fermented sweet potato waste, R4 = The ration contains 9% fermented sweet potato waste. Each replication (experimental unit) used 5 native chickens so that the number of chickens used was 75. The use of sweet potato waste fermentation in the ration had no significant effect (P>0.05) on initial body weight, final body weight , weight gain,and feed convertion ratio. Feeding of fermented sweet potato waste to a level of 3% (R2) gave optimal results.
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Jobo, Teboho, und Oluwabiyi Oluremi. „Proximate Composition and Mineral Profile of Some Agro-Allied By-Products Wastes in the Kingdom of Lesotho“. Journal of Agriculture and Crops, Nr. 91 (28.12.2022): 114–21. http://dx.doi.org/10.32861/jac.91.114.121.
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The study was carried out to investigate the feed value of four agro-allied by-products consisting of two tubers wastes namely; Irish potato peel meal (IPPM) and sweet potato peel meal (SPPM) and two fruits wastes namely, sweet orange peel meal (SOPM) and banana peel meal (BPM) as feed ingredients in livestock and poultry production in a temperate environment. Fresh fruits of banana and sweet orange and fresh tubers of Irish potato and sweet potato were purchased from the Maseru District in Lesotho. The tubers were rinsed and peeled, the peels of the fruits were removed and all the peels were separately shade-dried to attain about 10% moisture. Drying of Irish potato, sweet potato, and sweet orange peels lasted 48 hours, while for banana peels it lasted 72 hours. The peels were milled and stored in sealed plastic bottles prior to chemical analyses. Chemical analyses were carried out in triplicate to determine the proximate constituents, energy content, and mineral profile. The results revealed significant (P<0.05) differences in the proximate composition and metabolisable energy, among the peels without any sequence of variation. The dry matter (DM), crude protein (CP), ether extract (EE), crude fibre (CF), ash, nitrogen-free extract (NFE), and metabolisable energy varied between 88.83% - 93.67%, 5.72% - 14.26%, 0.77% -7.83%, 5.67% - 11.67%, 3.50% - 15.00%, 52.33% - 70.94% and 2782.28 kcal/kg - 2834.14 kcal/kg, respectively among the peels. The mineral elements profile showed significant (P<0.05) difference among the peels in phosphorus which ranged from 0.64 g/kg - 2.49 g/kg, calcium 0.24 g/kg - 3.32 g/kg, magnesium 1.35 g/kg - 2.07 g/kg, potassium 0.77 g/kg - 64.13 g/kg, sodium 0.08 g/kg - 1.43 g/kg and chloride 0.36 g/kg - 0.68 g/kg without a definite sequence of variation among the different peels. The results obtained showed that the peels of Irish potato, sweet potato, sweet orange, and banana peel can be utilised as unconventional feed resources in poultry and livestock nutrition in Lesotho. How to Cite: Teboho Jobo, Oluwabiyi Oluremi, 2022. "Proximate Composition and Mineral Profile of Some Agro-Allied By-Products Wastes in the Kingdom of Lesotho." Journal of Agriculture and Crops, vol. 9, pp. 114-121.
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Edache, J. A., C. D. Tuleun, O. I. A. Oluremi und S. N. Carew. „Egg laying performance and economics of production of japanese quails fed diets containing peeled and cooked sweet potato meal“. Nigerian Journal of Animal Production 45, Nr. 1 (27.12.2020): 141–49. http://dx.doi.org/10.51791/njap.v45i1.339.
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Japanese quails are small in size, early maturing, come to egg production between 5 and 6 week of life, hardy and prolific but requires local feeds for sustainability. Thus, a feeding trial which lasted for six months was carried out to investigate the effect of feeding peeled and cooked sweet potato tuber on hen-day egg production and economics of production of Japanese quails. Five isonitrogenous (20%CP) diets were compounded. The control diet (A) had zero sweet potato tuber meal. In the other four diets, 25, 50, 75 and 100% of maize was replaced with peeled and cooked sweet potato tuber meal. Three hundred point-of-lay female Japanese quail birds were randomly allotted to the diets in a completely randomized design.Feed and water were provided ad libitum for six months. Each diet was allocated to 60 quail chicks, which were further divided into three replicates of 20 birds each to determine the performance characteristics of the quails. Feed intake, body weight change, age at first eggs, age at 50% egg production, age at 75% egg production, hen-day egg production, hen-housed egg production and feed per dozen eggs were similar (pfi 0.05) across the diets. Water intake birds on diet A was significantly (pfi 0.05) lower than the birds on the sweet potato diets. Water intake was significantly (pfi 0.05) higher by birds on diet D (51.93ml/bird/day) than those on diets A (42.60) and C (46.68mL/bird/day). Total cost of production did not differ significantly across the diets. Gross margin was significantly higher on diet C (N67, 227.64) than on the other diets except for diet D (N65, 795.52). Results showed that peeled and cooked sweet potato can completely replace maize in the diet of laying quails without adverse effects on performance or on economics of production
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Mukhametzyanov, R. R., E. V. Neiskashova, N. G. Platonovsky und T. Yu Demina. „ANALYSIS OF THE DYNAMICS OF POTATO PRODUCTION AND SIMILAR STARCH-CONTAINING TUBER-AND-ROOT CROPS IN THE WORLD“. Scientific Review Theory and Practice 11, Nr. 8 (2021): 2335–56. http://dx.doi.org/10.35679/2226-0226-2021-11-8-2335-2356.
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In different countries of the world, depending on natural and climatic conditions and historical traditions, a number of plant species rich in starch, which are absolutely different in botanical classification, but similar in terms of consumption, are cultivated. The Food and Agriculture Organization of the United Nations (FAO) separates them to one food group «Roots and Tubers». Currently, the most important among them are potatoes, cassava, sweet potatoes, yam. They are grown both to meet the needs of the population for food and some branches of food industry for the necessary raw materials and for use as feed for farm animals. Within the framework of this work, the change in the global physical parameters of potato production and similar starch-containing tuber-and-root crops in the world as a whole and in individual countries was investigated for the period 1961–2019. Among these plants, potatoes are the most important. Although this agricultural crop is native to the southern hemisphere of the Earth, in its time it received its maximum distribution in the northern hemisphere. However, in recent decades, potatoes in the global food balance have been gradually decreasing their positions, yielding a significant part to cassava. In 1961, potatoes occupied 59.42% of the starch-containing tuber-and-root crops included in «Roots and Tubers», and in 2019 it already accounted for only 43.02%. At the same time, cassava has strengthened its position from 15.65% to 35.26%. If this trend continues in future, that is quite possible, taking into account the prospects of population growth in those countries of the world where cassava is grown, then this plant can intercept the «palm tree» in the «Roots and Tubers» food group. The article reflects the transformation of the importance of individual states in the global ranking of countries – the main producers of potatoes and similar starch-containing tuber-and-root crops for the period 1961–2019 and it revealed a significant strengthening of the position of some developing countries, in particular Nigeria and India, and a decrease in the importance of Poland, Germany, as well as a number of states that emerged after the collapse of the USSR.
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Edache, J. A., C. D. Tuleun, R. U. Muduudtai und A. G. Yisa. „Laying performance and digestibility of nutrients by Japanese quails fed diets containing peeled and cooked sweet potato meal“. Nigerian Journal of Animal Production 44, Nr. 3 (02.01.2021): 282–93. http://dx.doi.org/10.51791/njap.v44i3.642.
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A six–month feeding trial was carried out to investigate the effect of feeding peeled cooked sundried sweet potato tuber on hen-day egg production and digestibility of nutrients by Japanese quails. Five isonitrogenous (20%CP) diets were compounded. The control diet (A) had zero sweet potato tuber meal. In the other four diets, 25, 50, 75 and 100% of maize (respectively) was replaced by peeled cooked sundried sweet potato tuber meal. 300 point-oflay female Japanese quails were randomly assigned the diets in a completely randomized design with feed and water provided ad libitum. Each diet was allocated to 60 quail chicks which were further divided into three replicates of 20 birds each. Feed intake, body weight change, age at first eggs, age at 50% egg production, age at 75% egg production, hen-day egg production, hen-housed egg production and feed per dozen eggs were similar (p? 0.05) across the diets. Water intake was significantly (p? 0.05) or (p > 0.05) higher by birds on diet D (51.93ml/bird/day) than by those on diets A (42.60) and C (46.68ml/bird/day). Water intake by birds on diet A was significantly (p? 0.05) lower than by birds on the sweet potato diets. Dry matter digestibility was significantly (p? 0.05) better on diet C (70.54%) than on diets B (68.44) and D (68.54%). Ether extract digestibilitywas significantly (p? 0.05) better on diet E (67.60%) than on diets A (54.57), B (54.60), C (49.70) and D (51.42%). Crude protein digestibility was not affected by the diets. It can be concluded that peeled cooked sundried sweet potato can completely replace maize in the diet of laying quails without adverse effects on performance or on digestibility of nutrients.
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Tera Fit Rayani, Sumiati Sumiati und Arif Darmawan. „Evaluasi Pakan Daun Ubi Jalar dan Daun Singkong pada Kualitas Telur Itik yang Disimpan pada Suhu 5°C“. Jurnal Ilmu Pertanian Indonesia 27, Nr. 4 (21.09.2022): 488–96. http://dx.doi.org/10.18343/jipi.27.4.488.
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Egg yolks contain omega-3 and omega-6 fatty acids that are easily oxidized during storage, so they must be protected. The objective of this study was to evaluate the effect of feeding containing sweet potato leaves meal (TDU) and cassava leaves meal (TDS) on the quality of duck eggs stored at 5 °C for 8 weeks. This study used a completely randomized design, 6 ´ 3 factorial design with 4 replications. Factor A was feed treatment (R0 = control feed without TDU or TDS; R1 = feed containing 0% TDU and 10% TDS; R3 = feed containing 5% TDU and 0% TDS; R4 = feed containing 5% TDU and 5% TDS; R5 = f eed containing 5% TDU and 10% TDS). Factor B was egg storage time (0, 4, and 8 weeks). A total of 144 duck eggs were used in this study. The results showed no interaction between the supplementation of TDU and TDS with the storage time on the quality of stored eggs. Supplementation of TDU or TDS or their combination significantly (p<0.05) increased the yolk score and yolk egg weight. Storage time for 4 and 8 weeks significantly (p<0.05) decreased egg weight, shell percentage, egg white percentage and weight, Haugh unit, and egg yolk score, but significantly (p<0.05) increased egg yolk percentage and weight. This study concluded that supplementing 5% sweet potato leaves meal and 10% cassava leaves meal resulted in the highest egg yolk color score. Storage time for 4 weeks can still maintain duck eggs with AA quality.
Keywords: cassava leaves, duck eggs quality, storage, sweet potato leaves
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Sudarman, Asep, M. Hayashida und M. Miralestari. „In vitro rumen fermentation characteristics and microbes of thin tail sheep given sweet potato (Ipomoea batatas L) biomass“. Jurnal Ilmu Ternak dan Veteriner 21, Nr. 2 (01.07.2016): 83. http://dx.doi.org/10.14334/jitv.v21i2.1355.
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<p class="abstrak2">Sweet potato plant is produced in Indonesia in large quantities. Sweet potato leaves and stems can be used as a source of protein and the tuber can be used as an energy source. This study was aimed to analyze the effect of feeding of sweet potato biomass on the rumen fermentation characteristics, digestibility of dry matter and organic matter as well as rumen microbial population of thin tail sheep. This study used a randomized block design by applying four feed treatments, i.e., T0 (100% Napier grass), T1 (70% of Napier grass + 30% concentrate), T2 (50% of Napier grass + 50% sweet potato leaves), and T3 (70% sweet potato leaves + 30% sweet potato tuber) with three replicates. Rumen fluid samples were taken with stomach tube method using a vacuum pump. Results showed that the T3 diet has higher (P<0.05) digestibility of dry matter and organic matter, concentration of NH<sub>3</sub> and VFA, and rumen bacterial population than those of T0 and T1diets but similar to that of T2 diet. Rumen pH and protozoa population was not different among the treatments. It can be concluded that the use of sweet potato biomass can improve the quality of rumen fermentation of sheep.</p>
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T. G. O., SUSILA, T. G. B. YADNYA und A. A. A. S. TRISNADEWI. „KAJIAN PEMANFAATAN SEKAM PADI DIFERMENTASI Aspergillus niger DALAM RANSUM DISUPLEMENTASI TEPUNG DAUN UBI JALAR UNGU (Ipomoea batatas, L.) TERHADAP PENAMPILAN ITIK BALI UMUR 24 -36 MINGGU“. Majalah Ilmiah Peternakan 21, Nr. 2 (30.06.2018): 45. http://dx.doi.org/10.24843/mip.2018.v21.i02.p01.
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The experiment was carried out to study the effect on fermented rice hull in diets supplemented with purplesweet potato (Ipomoea batatas L.) leaves meal on performance of bali ducks. A completely randomized design withfive treatments such as diet without rice hull (A), diet contaning 10% rice hull (B), diet containing 10% fermentedrice hull (C), ration contaning 9% rice hull and 1% purple sweet potato leaf meal (D), diet containing 9% fermentedrice hull and 1% purple sweet potato leaf meal (E). Each treatment in three replications consists of 5 female ducks.The variables observed were feed consumption, antioxidant capacity, total egg weight and FCR, and total eggs, eggproduction per day, and means of eggs weight. It showed that diet feed consumption of ducks fed E treatment found3.32% lower (P<0,05), total eggs 47,56% higher (P<0,05) compared to A. In addition, E treatment can increasetotal amount of eggs, egg production per day, and 29,16%, 29,15% dan 12,12% means of eggs (P<0,05) compared toA treatment. It can be concluded that ducks fed diets containing fermented rice hull and purple sweet potato leafmeal supplemented can improve efficiency of diets and production of eggs.
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Bahule, Celina Eugenio, Jerônimo Ávito Gonçalves de Brito, Eric Marcio Balbino, Adriana Conceição Machado, Saulo Silva Batista, Lennon Santos Oliveira, Tamiris Natalice Santos Silva und Jamile Pereira. „Strategies to include sweet potato meal associated with the use of exogenous enzymes, in broiler chicken feed“. Revista Brasileira de Saúde e Produção Animal 19, Nr. 1 (März 2018): 32–46. http://dx.doi.org/10.1590/s1519-99402018000100004.
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SUMMARY This work evaluated the effect of including sweet potato meal (SPM), as an alternative to corn in broiler chicken diets, on performance, carcass yield, intestinal morphometry, organ biometry, meat quality and drumstick pigmentation. The study used 936 male Cobb-500 chicks. The experiment had a completely randomized, 3x2 factorial design, with three diet types. These included corn as the energetic ingredient in the standard diet (corn-soybean meal, CSM), and an increasing (ISP) and decreasing (DSP) inclusion of sweet potato meal as a corn substitute, in association with exogenous enzymes, for a total of six treatments with six repetitions and 26 birds per plot. During the period of 1 to 21 days, there was an interaction (P<0.05) for the weight gain (WG) variable; the CSM diets promoted greater WG in relation to the ISP and DSP groups, when supplemented with exogenous enzymes. There was an increase (P<0.05) in surface absorption of the jejunum villi and relative weight of the pancreas, and worse feed conversion (FC), for the ISP and DSP diets. With exception of the pancreas, for the entire period of 1 to 39 days the performance, yield of the carcass and cuts, meat quality, relative weight of the liver, and feet pigmentation variables were not affected (P>0.05) by the factors evaluated. Sweet potato meal, independent of the inclusion program (ISP/DSP) and enzyme supplementation, could partially substitute corn in broiler chicken feed, guaranteeing good performance, carcass yield and meat quality.
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Firmansyah, A. „Analysis of cleaner production potential and water footprint for small-scale sweet potato flour industry“. IOP Conference Series: Earth and Environmental Science 1063, Nr. 1 (01.07.2022): 012012. http://dx.doi.org/10.1088/1755-1315/1063/1/012012.
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Abstract Sweet potato flour is one of the derivative products of sweet potato, especially for raw materials or additives in the food industry. The processing of sweet potato-based products must also be balanced with existing environmental management. For this reason, there is a need for suitable methods to deal with processes that produce minimised wastes that harm the environment. Cleaner production is an approach that offers various environmental benefits for the sweet potato flour industry. Identification of cleaner production alternatives was carried out by the quick scan method for minimising the presence of waste in the sweet potato flour industry. The feasibility of the cleaner production design was analysed by considering technical, environmental, financial, and economic aspects. Identification of water use was done by calculating the water footprint in the whole production process. The water footprint was calculated by adding up the green, blue, and grey water footprints to obtain the total water usage in the production process. The use of water for planting sweet potato (green water) is estimated to be approx. 1.093 m3/ton of sweet potato flour. With a sweet potato flour yield of 50.8%, the production of sweet potato flour requires a water volume (blue water) of 1.32 m3/ton of sweet potato flour. The following cleaner production alternatives were identified as prospective for waste minimisation in the small-scale industry, including good manufacturing practices, repairing flour machines, drying using a greenhouse, training in the selection of raw materials and training in standard operating procedures (SOPs) for flour production, and utilisation of sweet potato peel as animal feed. With the implementation of cleaner production and more efficient use of water, it is expected that the sweet potato flour industry will become a more sustainable industry.
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Edache, J. A., C. D. ,. Tuleun, R. U. Muduudtai und A. G. Yisa. „Performance and economics of production of Japanese quails (Coturnix coturnix japonica) fed varying levels of peeled cooked sun-dried sweet potato (Ipomoea batatas) meal diets“. Nigerian Journal of Animal Production 43, Nr. 2 (09.01.2021): 181–91. http://dx.doi.org/10.51791/njap.v43i2.900.
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A six–week feeding trial was carried out to investigate the effect of feeding peeled cooked sundried sweet potato tuber on growth parameters and economics of production of Japanese quails. Five isonitrogenous (25%CP) diets were compounded. The control diet (1) had no sweet potato tuber meal while 2, 3, 4 and 5 had maize replaced at 25, 50, 75 and 100% by peeled and cooked sundried sweet potato tuber meal respectively.. Three hundred day-old Japanese quails of mixed sexes were randomly assigned the diets in a completely randomized design with feed and water provided ad libitum for six weeks. Each diet was allocated to 60 quail chicks which were further divided into three replicates of 20 birds each. Feed intake was significantly (p< 0.05) lower for birds on diet 3 (14.05g/b/d) than for those on diets 4 (14.87g/b/d) and 5 (14.79g/b/d). Water intake was however significantly (p < 0.05) higher for birds on diet 4 (27.40ml/b/d) than for those on diets 1 (23.77ml/b/d), 2 (24.01ml/b/d) and 3 (24.66ml/b/d). Protein intake was significantly (p<0.05) higher for birds on diet 4 (3.72g/b/d) than for those on diets 1 (3.55g/b/d), 2 (3.54g/b/d) and 3 (3.51g/b/d). Energy efficiency ratio was significantly (p<0.05) better on diet 5 (0.29) than on diet 1 (0.24) only. However, weight gain, feed conversion ratio, feed cost/gain, energy intake and protein efficiency ratio did not differ significantly (p>0.05) from the control. Total cost of production per bird was significantly (p< 0.05) higher on diet 3 than on diets 4 and 5. Revenue per bird was significantly (p< 0.05) lower on diet 2 than on diets 1 and 4 only. Gross margin per bird was significantly (p<0.05) lower on diet 2 than on diets 1 and 3 only. Total feed intake and feed cost/kg gain were not affected by the diets (p>0.05) and diet 5 has a cost saving of 3.00% over the control diet. Results showed that peeled cooked sundried sweet potato can completely replace maize in the diet of quail chicks without adverse effects on performance or on economics of production of Japanese quails.
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Abong, George, Victoria Ndanyi, Archileo Kaaya, Solomon Shibairo, Michael Okoth, Peter Obimbo, Nicanor Odongo, Elizabeth Wanjekeche, Joseph Mulindwa und Peter Sopade. „A Review of Production, Post-harvest Handling and Marketing of Sweetpotatoes in Kenya and Uganda“. Current Research in Nutrition and Food Science Journal 4, Nr. 3 (08.12.2016): 162–81. http://dx.doi.org/10.12944/crnfsj.4.3.03.
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Sweetpotato (Ipomea batatas) is a versatile crop that serves the roles of food and nutrition security, cash crop in both raw and processed forms. It is a source of livestock feed and has great potential as a raw material for industrial processing. The potential of sweetpotato has been greatly under exploited by the fact that it has been regarded as a poor man’s food and is mainly grown under marginal conditions for subsistence by most producers, who are rural small-scale farmers in developing countries, such as Kenya and Uganda. Losses in the highly perishable root crop and its leaves are exacerbated by lack of appropriate postharvest knowledge, technologies and facilities. Inadequate information on available cultivars also limits the maximum utilization of the crop and leaves. The current review examines production potential, post harvest handling practices, marketing, and physicochemical and nutritional properties of sweet potatoes.
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Glenn, Kevin C. „Nutritional and Safety Assessments of Foods and Feeds Nutritionally Improved Through Biotechnology: Lysine Maize as a Case Study“. Journal of AOAC INTERNATIONAL 90, Nr. 5 (01.09.2007): 1470–79. http://dx.doi.org/10.1093/jaoac/90.5.1470.
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Abstract During the last decade, the area of biotech crops modified for agronomic input traits (e.g., herbicide tolerance and insect protection) has increased to 90 million ha/year, grown by over 8 million farmers in a total of 17 countries. As adoption of these improved agronomic trait biotech crops has grown, so has interest in biotech crops that have improved nutritional characteristics for use as feed and food. A previous publication by the International Life Sciences Institute (ILSI) reported on the principles and concepts proposed for the nutritional and safety assessments of foods and feeds nutritionally improved through biotechnology. In this paper, the guidelines and principles recommended in the earlier publication are discussed relative to a specific case study, Lysine maize. Lysine maize is a feed ingredient with enhanced nutritional characteristics for poultry and swine and provides an alternative to the need for addition of supplemental lysine to some diets for these animals. The 2004 Task Force of the ILSI has also applied the concepts from that report to 4 other case studies: sweet potato enriched in provitamin A (2 examples, one using biotechnology and one using conventional breeding); Golden Rice 2; double-embryo maize; and ASP-1 enhanced protein sweet potato.
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Ehau-Taumaunu, H., S. D. G. Marshall, C. M. Ferguson, M. Mark-Shadbolt, R. M. MacDiarmid und M. O'Callaghan. „A sweet potato story the likelihood of porina feeding on kumara“. New Zealand Plant Protection 69 (08.01.2016): 324. http://dx.doi.org/10.30843/nzpp.2016.69.5932.
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The caterpillar stage of the endemic Wiseana spp complex commonly known as porina are foliage feeders Research indicates that porina will feed on harakeke (Phormium tenax) red tussock (Chionochloa rubra) and hard tussock (Festuca novae zealandiae) In 1952 Miller reported that porina were abundant in kumara plantations and caused damage to the plants The accuracy of this observation is uncertain due to taxonomic changes and the ambiguous nature of Millers identification Feeding bioassays were undertaken to determine if porina caterpillars would feed on the leaves stems or tuber of the Owairaka kumara plant (Ipomoea batatas) using white clover foliage (Trifolium repens) as a control Over a 6week Porina provided with tuber had a weight increase of >01 g within the first two weeks which was a 122 gain (compared to clover) The leaves and stems supported less weight gain over the two week period (92 and 85 compared to clover respectively) These results suggest that porina can feed on kumara plants but further field testing will be required to support this claim
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Edache, J. A., J. A. Edache, C. D. Tuleun, R. U. Muduudtai und A. G. Yisa. „Performance and economics of production of Japanese quails (Coturnix coturnir japonica) fed varying levels of peeled cooked sun-dried sweet potato (Ipomoea batatus) meal diets“. Nigerian Journal of Animal Production 43, Nr. 1 (27.01.2021): 181–91. http://dx.doi.org/10.51791/njap.v43i1.2758.
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A six-week feeding trial was carried out to investigate the effect of feeding peeled cooked sundried sweet potato tuber on growth parameters and economics of production of Japanese quails. Five isonitrogenous (25%CP) diets were compounded. The control diet (1) had no sweet potato tuber meal while 2, 3, 4 and 5 had maize replaced at 25, 50, 75 and 100% by peeled and cooked sundried sweet potato tuber meal respectively. Three hundred day-old Japanese quails of mixed sexes were randomly assigned the diets in a completely randomized design with feed and water provided ad libitum for six weeks. Each diet was allocated to 60 quail chicks which were further divided into three replicates of 20 birds each. Feed intake was significantly (p < 0.05) lower for birds on diet 3 (14.05g/b/d) than for those on diets 4 (14.87g/b/d) and 5 (14.79g/b/d). Water intake was however significantly (p < 0.05) higher for birds on diet 4 (27.40ml/b/d) than for those on diets 1 (23.77ml/b/d), 2 (24.01ml/b/l) and 3 (24.66ml/b/d). Protein intake was significantly (p < 0.05) higher for birds on diet 4 (3.72g/b/d) than for those on diets / (3.55g/b/d), 2 (3.54g/b/d) and 3 (3.51g/b/d). Energy efficiency ratio was significantly (p < 0.05) better on diet 5 (0.29) than on diet 1 (0.24) only. However, weight gain, feed conversion ratio, feed cost/gain, energy intake and protein efficiency ratio did not differ significantly (p>0.05) from the control. Total cost of production per bird was significantly (p < 0.05) higher on diet 3 than on diets 4 and 5. Revenue per bird was significantly (p < 0.05) lower on diet 2 than on diets 1 and 4 only. Gross margin per bird was significantly (p<0.05) lower on diet 2 than on diets 1 und 3 only. Total feed intake and seed cost/kg gain were not affected by the diets (p>0.05) and diet 5 has a cost saving of 3.00% over the control diet. Results showed that peeled cooked sundried sweet potato can completely replace maize in the diet of quail chicks without adverse effects on performance or on economics of production of Japanese quails.
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A. A. A. S., Trisnadewi, T. G. B. Yadnya, A. A. P. P. Wibawa und I. M. Mudita. „RESPONSE OF PURPLE SWEET POTATO (Ipomoea batatas L.), NONI (Morinda citrifolia L.), AND BETLE (Piper betle L.) LEAVES ADDITIONAL IN DIETS ON PERFORMANCE OF BALI DUCK“. Majalah Ilmiah Peternakan 22, Nr. 2 (24.11.2019): 50. http://dx.doi.org/10.24843/mip.2019.v22.i02.p02.
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The experiment was carried out to study the response of additional leaves of purple sweet potato (Ipomoea batatasL.), noni (Morinda citrifolia L.) and betle (Piper betle L.) in diets on performance of bali duck. The experimentused completely randomized design with four treatments consists of control diet A (diet without leaves), diet B (dietcontaining with purple sweet potato leaf, diet C (diet containing noni leaf), and diet D (diet containing beetle leaf).Each treatment conducted with three replications and each replications consist of five ducks. The variables observedwere feed consumption, antioxidant consumption, body gain, and FCR and of bali ducks. Feed consumption of baliducks in treatment B, C and D were significantly lower, however, the antioxidant consumption significantly higherthan control diet. In contrast, body weight gain in treatments B, C and D increased significantly but decreased FCRcompared to treatment A. The treatments of B, C, and D can increase the carcass weight, and carcass percentagesignificantly. These were offered to bali ducks could increase percentage of meat and bone but significantly decreasefat of carcass including their skin for bali ducks fed with A (control treatment). It can concluded that the leaves ofpurple sweet potato, noni, and betle leaf in diets improved the performance and carcass of bali ducks.
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Afolayan, S. B., I. I. Dafwang, T. S. B. Tegbe, A. Sekoni und J. O. Jegede. „Performance of broiler chickens fed maize-based diets substituted with graded levels of sweet potato meal“. Nigerian Journal of Animal Production 41, Nr. 1 (19.01.2021): 50–59. http://dx.doi.org/10.51791/njap.v41i1.2676.
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The performance of Ross broiler chickens fed on Sweet Potato Meal (SPM) as a dietary source of energy was studied. The study was carried out at both starter (0-4 wks) and finisher (5- 9 wks) phases. In both phases, SPM was incorporated at graded levels of 0. 10, 20, 30, 40 and 50 percent and dietary proteins were adjusted to make the diets iso-nitrogenous. In the starter phase, three replicates of I5 birds each were randomly allocated to each of the 6 treatments in a completely randomized design (CRD) experiment while the number of birds per replicate was reduced to 14 for the finisher phase using the same experimental design. Parameters measured or calculated include feed intake, body weight gain, feed efficiency, feed costs, feed cost/kg weight gain, mortality and carcass characteristics. The results showed similar trends in both phases. Differences in the feed intake were not significant (P>0.05) while weight gain, feed cost/kg weight gain and total cost of rearing the birds decreased significantly (P<0.05). The Control, 10% 20% and 30% SPM diets gave similar weight gain and feed gain ratio. The Control gave the best performance in both starter and finisher phases, although its performance was not significantly different (P>0.05) from that of the 30%SPM diet Sweet Potato Meal level had no adverse effects on mortality and carcass characteristics. It is therefore concluded from this study that SPM should not be included beyond 30% level in a maize-based diet when protein requirement of birds is satisfied.
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Edache, J. A., U. Musa, M. U. M. Ehizokale, J. O. Esilonu, E. J. Okapala, P. D. Karisin, A. Yisa und N. J. Zwandor. „Replacement of Value of Sweet Potato(Ipomea Batatas) Meal For Maize in Practical Diets Fed to Quail (COnturnix cotu-rnix japomica) Chicks“. Nigerian Journal of Animal Production 36, Nr. 1 (01.01.2021): 34–40. http://dx.doi.org/10.51791/njap.v36i1.1043.
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A six- week feeding trial was conducted to determine the value of sweer potato in diets fed to216 Japanese quail chicks in a brooding house. Four isonitrogenous (22%CP) diets tagged A, B<C and D incorporating graded levels (0. 13.73, 23,73 and 38.73%) of sweet potato meal respectively as replacement for maize were used in the trial. The M.E levels of the diets flunctuated between 2692; diets D and 2708kcal/kg M.E; diets B. Each treatment was replicated thrice. Food intake was higher (p<0.05) on diet B (818.62) than the rest of the diets (A:702.10g, C: 688.51 and D: 689.96g). Difference in weight gain (A:122g, B:130.50g. C:121.37g, D:122.15g) were not significant( p>0.05) among the treatments. Feed cost/kg gain was higher(p<0.05) for diet D(134.81) than other diets (A:97.87, B:94.23, C:104.94). Results of this study showed that dietry level of 38.73% sweet potato meal was suitable for growth of Japanese quail chicks provided the diets are isonitrogenous and contained metabolizable energy of between 2692 and 2798kcal/kg