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Journal articles on the topic 'Broilers (Poultry) – Experiments'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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1

UDEDIBIE, A. B. I., G. ANYANWU, U. I. UKPAI, and A. J. OYET. "POULTRY OFFAL MEAL AS A PROTEIN SUPPLEMENT FOR LAYING HENS AND FINISHER BROILERS." Nigerian Journal of Animal Production 15 (January 5, 2021): 103–9. http://dx.doi.org/10.51791/njap.v15i.1217.

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Two experiments were conducted to determine the value of poultry offal meal (POM) as a protein supplement for layers and finisher broilers, respectively, at dietary levels of O, 10, 15 and 20%. In the layer experiment, body weights of layers increased with increasing dietary levels of POM. Treatments effects on feed intakes were not significant but egg production as well as feed efficiency were significantly (P < 0.05) improved by POM. In the broiler experiment, feed intake, growth rate, feed efficiency ad weights of livers were significantly (P < 0.05) higher at 15 and 20% POM dietary l

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Lukashenko, V. S., and D. A. Burova. "Rearing of broiler chickens with the use of different technological modes of biocidal means." Glavnyj zootehnik (Head of Animal Breeding), no. 7 (July 1, 2021): 52–66. http://dx.doi.org/10.33920/sel-03-2107-07.

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Water is a serious vector of transmission of pathogenic bacteria. The quality of drinking water supplied to the drinking system when raising broiler chickens is one of the main афсещкs for the efficient production of poultry meat. With intensive poultry management when a large number of livestock is concentrated in one territory, it is necessary to pay special attention to the microflora of indoor air. The main sources of pollution are the poultry itself, feed and litter. The purpose of the research was to develop technological modes of using drug Anolit ANK SUPER in the rearing of broiler chi

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VAN IMMERSEEL, F., L. MEULEMANS, J. DE BUCK, et al. "Bacteria–host interactions of Salmonella Paratyphi B dT+ in poultry." Epidemiology and Infection 132, no. 2 (2004): 239–43. http://dx.doi.org/10.1017/s0950268803001687.

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In recent years, a dramatic increase in incidence of the dextro-rotatory tartrate-positive variant (dT+) of Salmonella enterica subspecies enterica serovar Paratyphi B has been observed in poultry and poultry products. In the present study the interactions of this bacterium with the host were studied in vivo and in vitro in an attempt to explain the preferential association of this serotype with poultry. The ability of this organism to invade and multiply in chicken intestinal epithelial cells and the intracellular behaviour in chicken macrophages was studied in vitro using chicken cell lines.

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Diarra, Siaka S. "Utilisation of giant taro (Alocasia macrorrhiza) root meal with or without coconut oil slurry by layers and broilers." Animal Production Science 58, no. 2 (2018): 284. http://dx.doi.org/10.1071/an16322.

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Replacements of maize with Alocasia macrorrhiza root meal (AMRM) with or without added coconut oil slurry (COS) in poultry diets were investigated in a series of two experiments. In Experiment 1, the replacement of maize with two levels (10% and 20%) each of AMRM and AMRM–COS on egg production and egg quality was investigated. Experiment 2 investigated the same treatments as in Experiment 1 on broiler performance. In both experiments, each diet was fed to four replicates of 10 birds in a completely randomised design. There was no marked effect on feed intake (FI) in both experiments (P > 0.

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Egorov, Ivan, and Tatiana Egorova. "The use of medicinal plants in the compound poultry feed." E3S Web of Conferences 247 (2021): 01034. http://dx.doi.org/10.1051/e3sconf/202124701034.

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The experiments were carried out on 5 groups of cage housed broiler chickens of the Ross 308 cross aged from 1 to 35 days. It was found that dried chicory root, oregano, and common nettle are valuable additives in compound poultry feed. The addition of dried chicory root, oregano, and common nettle in amounts of 2 kg/t; 0.5 kg/t, and 2.0 kg/t, respectively, to broiler diets allows obtaining good livability (100%) and live bodyweight, as well as low feed conversion. In the experimental groups the dried medicinal plants were added to the feed without the use of in-feed antibiotics. It was statis

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Petrova, J. V., A. A. Antipov, and I. S. Lugovaya. "The experience of using feed additives of the PRODAKTIV line and their positive impact on the main production indicators when growing broiler chickens." Agrarian science, no. 5 (July 17, 2020): 18–22. http://dx.doi.org/10.32634/0869-8155-2020-338-5-18-22.

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Relevance. Currently, poultry farming is one of the stressful branches of agriculture, which is associated with a high intensity of both poultry growth and technological processes. In this regard, the urgent task of the industry is to optimize metabolic processes and prevent stress by introducing effective nutrients with high bioavailability into the diet.Material and methods. The studies were carried out in the conditions of a poultry enterprise in the Central region, as well as in the vivarium and at the department of parasitology and veterinary-sanitary examination of the Federal State Budg

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Van Gerwe, T. J. W. M., A. Bouma, W. F. Jacobs-Reitsma, et al. "Quantifying Transmission of Campylobacter spp. among Broilers." Applied and Environmental Microbiology 71, no. 10 (2005): 5765–70. http://dx.doi.org/10.1128/aem.71.10.5765-5770.2005.

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ABSTRACT Campylobacter species are frequently identified as a cause of human gastroenteritis, often from eating or mishandling contaminated poultry products. Quantitative knowledge of transmission of Campylobacter in broiler flocks is necessary, as this may help to determine the moment of introduction of Campylobacter in broiler flocks more precisely. The aim of this study was to determine the transmission rate parameter in broiler flocks. Four experiments were performed, each with four Campylobacter-inoculated chicks housed with 396 contact chicks per group. Colonization was monitored by regu

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Scott, T. A., M. A. Leslie, and A. Karimi. "Measurements of enzyme response with hulless barley-based diets full-fed to Leghorn and broiler chicks or restricted-fed broiler chicks." Canadian Journal of Animal Science 81, no. 3 (2001): 403–10. http://dx.doi.org/10.4141/a01-008.

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Broiler chicks fed diets high in soluble non-starch polysaccharides (NSP; e.g., wheat- and/or barley-based diets) have a higher capacity to ingest, digest and absorb nutrients when diets are supplemented with appropriate NSP enzymes. However, this same enzyme response is typically reduced or non-significant in older birds, Leghorn chicks and turkey poults. We hypothesise that the enzyme response in the latter classes of poultry is reduced because feed intake is lower in comparison to feed intake by broilers. In the present study, the hypothesis that restricted feeding of broilers would reduce

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Hernandez, F. "Performance and Fatty Acid Composition of Adipose Tissue, Breast and Thigh in Broilers Fed Flaxseed: A Review." Current Research in Nutrition and Food Science Journal 1, no. 2 (2013): 103–14. http://dx.doi.org/10.12944/crnfsj.1.2.01.

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Interest on the enrichment of poultry meat with n-3 fatty acids has increased given its important role in human health. Flaxseed is the main sources of n-3 fatty acids, and contains between 45 to 71% of total fatty acids of the oil as α-linolenic acid. This paper reviews the plausibility of n-3 enrichment. Its focus is on the processing of flaxseed and begins by summarizing the benefits of supplementation on broiler performance. The literature on altering the FA deposition in different tissues is then reviewed, and the factors that affect the incorporation of n-3 PUFA into edible tissues of po

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Beatrice Mukandungutse, Isabelle, James K. Tuitoek, Anthony M. King’ori, and Meshack A. Obonyo. "The Effect of Fermented Aflatoxins Contaminated Feed on Digestibility and Performance of Broiler Chickens." ANIMAL PRODUCTION 22, no. 1 (2020): 55–60. http://dx.doi.org/10.20884/1.jap.2020.22.1.3.

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Poultry is susceptible to mycotoxicoses caused by aflatoxins. Two experiments were carried out, where twenty-four, 28days old and 144 one-day-old broilers were assigned to six diets respectively. The diets were: diet1 (no aflatoxin and not fermented), diet2 (no aflatoxin and fermented without yeast), diet3 (no aflatoxin and fermented with yeast), diet4 (contained aflatoxin and not fermented), diet5 (contained aflatoxin and fermented without yeast) and diet6 (contained aflatoxin fermented with yeast). The aflatoxins were 20.034 and 30.08ppb for the first and second experiments respectively. In

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Romanovych, M. M. "The dynamics of humoral protection factors in broilers under the conditions of probiotic preparations application." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 20, no. 83 (2018): 264–67. http://dx.doi.org/10.15421/nvlvet8352.

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The health of farm poultry depends on the balance between normal and potentially pathogenic intestinal microflora. Any changes in this equilibrium are accompanied by functional impairments, which, in turn, lead to a decrease in productivity. The use of probiotics helps to avoid imbalance of intestinal microflora and death of young animals. In this connection, it is relevant to study the effects of probiotic drugs to improve the vitality and immune function of the poultry. The purpose of the research was to clarify the effect of BPS-44 and different amounts of yeast Saccharomyces cerevisiae on

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Shahzad, Khawar, Muhammad Sultan, Muhammad Bilal, et al. "Experiments on Energy-Efficient Evaporative Cooling Systems for Poultry Farm Application in Multan (Pakistan)." Sustainability 13, no. 5 (2021): 2836. http://dx.doi.org/10.3390/su13052836.

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Poultry are one of the most vulnerable species of its kind once the temperature-humidity nexus is explored. This is so because the broilers lack sweat glands as compared to humans and undergo panting process to mitigate their latent heat (moisture produced in the body) in the air. As a result, moisture production inside poultry house needs to be maintained to avoid any serious health and welfare complications. Several strategies such as compressor-based air-conditioning systems have been implemented worldwide to attenuate the heat stress in poultry, but these are not economical. Therefore, thi

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Cichocka, E., W. Drymel, P. Abramovych-Pindor, and A. Didukh. "Application of new generation phytobiotic adiCoxSOL® PF for coccidiosis prophylactics in poultry broilers." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 20, no. 87 (2018): 107–11. http://dx.doi.org/10.15421/nvlvet8721.

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The new WHO recommendations aim to help preserve the effectiveness of antibiotics that are important for human medicine by reducing their unnecessary use in animals. In some countries, approximately 80% of total consumption of medically important antibiotics is in the animal sector, largely for growth promotion in healthy animals .Over-use and misuse of antibiotics in animals and humans is contributing to the rising threat of antibiotic resistance. After the ban of antibiotic growth promoters (AGP) in the EU many alternative substances have been investigated for their potential to replace AGPs

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Wensley, Madie R., Jason C. Woodworth, Joel M. Derouchey, et al. "Effects of amino acid biomass or feed-grade amino acids on growth performance of growing swine and poultry12." Translational Animal Science 4, no. 1 (2019): 49–58. http://dx.doi.org/10.1093/tas/txz163.

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Abstract Three experiments were conducted to determine the effect of three fermented amino acids (AA) with their respective biomass compared to crystalline AA on the growth performance of swine and poultry. In experiment 1, 315 barrows (DNA 200 × 400, initially 11.3 ± 0.69 kg) were allotted to 1 of 4 dietary treatments with 5 pigs per pen and 15 or 16 pens per treatment. Dietary treatments included a negative control (16% standardized ileal digestible [SID] Tryptophan:lysine [Trp:Lys] ratio), positive control (21% SID Trp:Lys ratio from crystalline Trp), or diets containing Trp with biomass to

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Holubiev, M., T. Holubieva, and M. Sychov. "Effect of supplemental Mn, Zn, Fe and Cu and their interactions on the performance of broiler chickens." Ukrainian Journal of Veterinary and Agricultural Sciences 3, no. 3 (2020): 29–33. http://dx.doi.org/10.32718/ujvas3-3.06.

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Based on the results of the analysis of feed materials on the content of micronutrient elements and conducting scientific experiments on broilers chicken, the most effective source of Manganese, Zinc, Iron and Copper in mixed feeds, which contributes to solving the problem of increasing the quality of feeding and intensifying the growth of poultry has been substantiated. The optimum source of essential elements (Mn, Zn, Fe, Cu) for broilers chicken through feeds, the level of their incorporation into mixed fodders have been experimentally determined, and their influence on productivity and fee

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16

Andrianova, E. N., and I. А. Egorov. "New generation protein supplement in combined feeds for broiler chickens." E3S Web of Conferences 262 (2021): 02001. http://dx.doi.org/10.1051/e3sconf/202126202001.

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In experiments on broiler chickens of the SGC “Smena” selection, it was found that the partial replacement of fish meal with an additive based on a protein of microbial origin, containing 68.3% of crude protein, allows to provide a live weight of chickens comparable to the control with high poultry safety, due to good protein digestibility and availability of amino acids. A comprehensive assessment of the productivity of broilers according to the productivity index showed that the replacement of 50% of fish meal with microbial protein contributed to an increase in the productivity index of chi

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Bond, J. M., R. J. Julian, and E. J. Squires. "Effect of dietary flaxseed on broiler growth, erythrocyte deformability, and fatty acid composition of erythrocyte membranes." Canadian Journal of Animal Science 77, no. 2 (1997): 279–86. http://dx.doi.org/10.4141/a96-068.

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The effectiveness of flaxseed as a source of flax oil in broiler diets was determined in two separate experiments. Broiler growth, fatty acid composition of erythrocyte membranes and hematological variables were measured. We first examined the effect of 10, 20 or 30% flaxseed on growth in broilers and fatty acid composition of erythrocytes. The second experiment utilized hypobaric chambers to study the effect of a diet containing 20% flaxseed on growth, fatty acid composition of erythrocyte membranes, and hematological variables. In exp. 1, growth of the birds was reduced with increased inclus

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Fotina, Tetiana, Hanna Fotina, Svitlana Nazarenko, Roman Tymoshenko, and Oleksii Fotin. "Effect of feeding of chelated zinc form on security, productivity and slaughter parameters of broilers." EUREKA: Health Sciences, no. 3 (May 25, 2021): 110–18. http://dx.doi.org/10.21303/2504-5679.2021.001856.

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The results of the effect of feeding the chelated form of Zinc on the safety, productivity and slaughter parameters of broiler chickens are presented. The aim of this study was to determine the safety, productivity and slaughter parameters of broilers on the background of feeding chelated form of Zinc. Materials and methods. Experimental studies were conducted during 2020 on broiler chickens cross Cobb-500 in the vivarium of the Veterinary Faculty of Sumy National Agrarian University (Ukraine), divided into two groups on the principle of analogues (control and experimental) of 50 b

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Carvalho, Daiane, Juliana Inês Herpich, Gabriela Zottis Chitolina, et al. "Characterization of Immune and Enteric Systems of Broilers after Imunosupression with Dexamethasone." Acta Scientiae Veterinariae 46, no. 1 (2018): 7. http://dx.doi.org/10.22456/1679-9216.89178.

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Background: Bursa of Fabricius (BF) and the thymus are primary lymphoid organs of poultry and play a major role in avian immunity. Enteric system is also involved in immunity. Several pathologic conditions directly impact BF and thymus size, and also affect intestinal parameters. Besides, there are several immune system depressor agents which affect birds. The selection of glucocorticoid as inducer of immunosuppression is applied in many experiments; however there are few studies that are applied to the reality in the field. In this context, the aim of this study was to evaluate the effects of

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Ferreira, Ana Alice Salmito Noleto de Campos, Leilane Rocha Barros Dourado, Daniel Biagiotti, Natanael Pereira da Silva Santos, Daphinne Cardoso Nagib Nascimento, and Katiene Regia Silva Sousa. "Methods for classifying coefficients of variation in experimentation with poultrys." Comunicata Scientiae 9, no. 4 (2019): 565–74. http://dx.doi.org/10.14295/cs.v9i4.2619.

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The aim of this work was to evaluate the coefficient of variation (CV) and to establish classification ranges for the main variables evaluated in experimentation with poultrys through different methods. The CV data of different response variables observed in poultry articles (broilers, laying hens, roosters and quails) published in five national journals were tabulated in a Microsoft Excel 2010® worksheet. Afterwards, they were subjected to normality evaluation through the Shapiro-Wilk method, and later the following data of the descriptive statistics were utilized: maximum value, minimum valu

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Rumondor, Gidion, K. Maaruf, Y. R. L. Tulung, and F. R. Wolayan. "PENGARUH PENGGANTIAN TEPUNG IKAN DENGAN TEPUNG MAGGOT BLACK SOLDIER (Hermetia illucens) DALAM RANSUM TERHADAP PERSENTASE KARKAS DAN LEMAK ABDOMEN BROILER." ZOOTEC 35, no. 2 (2015): 131. http://dx.doi.org/10.35792/zot.36.1.2016.10452.

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THE EFFECTS OF SUBSTITUTION OF FISH MEAL WITH MAGGOT MEAL OF BLACK SOLDIER (Hermetia illucens) IN RATION ON BROILER’S CARCASS AND ABDOMINAL LIPID PERCENTAGE’S. Maggot meal of black soldier (Hermetia illucens) as an alternative feed to substitute fish meal have been used in poultry ration. In recent years, researches have conducted some experiments in substituting fish meal with maggot meal of black soldier (Hermetia illucens) as an alternative feed. A research evaluating the effects of substitution of fish meal with maggot of black soldier on carcass and abdominal lipids of broiler has been do

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Boros, D., B. A. Slominski, W. Guenter, L. D. Campbell, and O. Jones. "Wheat by-products in poultry nutrition. Part II. Nutritive value of wheat screenings, bakery by-products and wheat mill run and their improved utilization by enzyme supplementation." Canadian Journal of Animal Science 84, no. 3 (2004): 429–35. http://dx.doi.org/10.4141/a03-113.

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A series of experiments was conducted to determine the nutritive value of wheat screenings, bakery by-products and wheat mill run used by the feed industry in Canada and to investigate the effect of enzyme supplementation on available energy content, nutrient digestibility and broiler chicken growth performance. Broiler chicken performance (2-wk growth trial) was compared using a wheat/soybean meal-based control diet and diets substituted with wheat by-products (wheat screenings, 200 g kg-1; bakery by-products or mill run, 100 g kg-1). In addition, diets containing one sample of each of the by

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23

Kishniaikina, Е. A., and К. V. Zhuchaev. "Effect of thyme extract on fertility and survival of ISA F-15 broilers." Bulletin of NSAU (Novosibirsk State Agrarian University), no. 4 (December 23, 2018): 74–80. http://dx.doi.org/10.31677/2072-6724-2018-49-4-74-80.

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The paper highlights the research conducted in order to assess the effect of different doses of thyme extract on the productive properties and livability of broiler chickens. The experiment was conducted at a broiler poultry farm with a closed production cycle; the experiment assumed the control group and 5 experimental groups where each group contained 37 broilers at floor housing. The broilers of the 1st experimental group were fed with the extract of medicinal plant thyme dosed 2 mg/kg; broilers of the 2nd group received thyme extract dosed 4 mg/kg; 3rd group of broilers – 6 mg/kg, 4th grou

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Safiullin, Shibitov, and Chalysheva. "EFFICIENCY OF THE COMPLEX DRUG CYSTODEZ-ULTRA AGAINST EIMERIA SPP. OOCYSTS IN BROILER CHICKENS." THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL, no. 22 (May 19, 2021): 462–68. http://dx.doi.org/10.31016/978-5-6046256-1-3.2021.22.462-468.

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The practice of successful poultry farms shows that the prevention of poultry parasitoses includes a complex of therapeutic and prophylactic measures aimed both against exogenous oocysts in the environment and against endogenous stages of the pathogen inside the bird's body with the use of modern antiparasitic drugs. In view of the foregoing and special resistance of Eimeria oocysts in the environment, it is possible to create an effective disinfectant against them using several active ingredients and excipients. Among these drugs, we should note glutaraldehyde, crystalline iodine and potassiu

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Łukasiewicz, M., D. Pietrzak, J. Niemiec, J. Mroczek, and M. Michalczuk. "Application of dried distillers grains with solubles (DDGS) as a replacer of soybean meal in broiler chickens feeding." Archives Animal Breeding 55, no. 5 (2012): 496–505. http://dx.doi.org/10.5194/aab-55-496-2012.

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Abstract. Contemporarily, the production of high-grade ethyl alcohol enables obtaining dried distillers decoction that contains post-fermentation residues of cereal grains, solubles as well as yeast cells and their metabolites multiplied in the fermentation process, which makes that product applicable also in poultry feeding. Experiments were conducted on 540 broiler chickens of COBB 500 line. One-day chicks were randomly allocated to 3 nutritional groups: K, D1 and D2, each group consisted of 6 replicates of 30 birds. The factor that differentiated the groups was the content of dried wheat de

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Sandner, Georg, Andreas S. Mueller, Xiaodan Zhou, et al. "Ginseng Extract Ameliorates the Negative Physiological Effects of Heat Stress by Supporting Heat Shock Response and Improving Intestinal Barrier Integrity: Evidence from Studies with Heat-Stressed Caco-2 Cells, C. elegans and Growing Broilers." Molecules 25, no. 4 (2020): 835. http://dx.doi.org/10.3390/molecules25040835.

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Climatic changes and heat stress have become a great challenge in the livestock industry, negatively affecting, in particular, poultry feed intake and intestinal barrier malfunction. Recently, phytogenic feed additives were applied to reduce heat stress effects on animal farming. Here, we investigated the effects of ginseng extract using various in vitro and in vivo experiments. Quantitative real-time PCR, transepithelial electrical resistance measurements and survival assays under heat stress conditions were carried out in various model systems, including Caco-2 cells, Caenorhabditis elegans

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Sahin, Orhan, Naidan Luo, Shouxiong Huang, and Qijing Zhang. "Effect of Campylobacter-Specific Maternal Antibodies on Campylobacter jejuni Colonization in Young Chickens." Applied and Environmental Microbiology 69, no. 9 (2003): 5372–79. http://dx.doi.org/10.1128/aem.69.9.5372-5379.2003.

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ABSTRACT Using laboratory challenge experiments, we examined whether Campylobacter-specific maternal antibody (MAB) plays a protective role in young chickens, which are usually free of Campylobacter under natural production conditions. Kinetics of C. jejuni colonization were compared by infecting 3-day-old broiler chicks, which were naturally positive for Campylobacter-specific MAB, and 21-day-old broilers, which were negative for Campylobacter-specific MAB. The onset of colonization occurred much sooner in birds challenged at the age of 21 days than it did in the birds inoculated at 3 days of

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Souza, Guilherme Fonseca de, Silvio Luís da Silveira Rocha, Thales Quedi Furian, et al. "Classification of Avian Pathogenic Escherichia coli by a Novel Pathogenicity Index Based on an Animal Model." Acta Scientiae Veterinariae 44, no. 1 (2018): 6. http://dx.doi.org/10.22456/1679-9216.80888.

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Background: Avian Pathogenic Escherichia coli is the main agent of colibacillosis, a systemic disease that causes considerable economic losses to the poultry industry. In vivo experiments are used to measure the ability of E. coli to be pathogenic. Generally, these experiments have proposed different criteria for results interpretation and did not take into account the death time. The aim of this study was to propose a new methodology for the classification of E. coli pathogenicity by the establishment of a pathogenicity index based in the lethality, death time and the ability of the strain to

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Skrbic, Z., Z. Pavlovski, M. Lukic, V. Petricevic, and D. Milic. "Production performance and carcass quality of coloured broilers differentiated genetic potential for growth." Biotehnologija u stocarstvu 29, no. 4 (2013): 615–24. http://dx.doi.org/10.2298/bah1304615s.

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The study was conducted with the purpose of the comparative analysis of production performance and carcass quality of two coloured broiler genotypes of differentiated genetic potential for growth (Redbro and Redbro Naked Neck) in conditions of intensive feeding, as well as determining the effect of housing system (free range and poultry house) on fattening performance of Redbro broilers. Production performance is presented in the two control periods (days 42 and 84). Carcass quality was analysed at 84 days old broilers based on carcass conformation, yield, share of valuable parts and abdominal

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Conlan, Andrew J. K., Christopher Coward, Andrew J. Grant, Duncan J. Maskell, and Julia R. Gog. "Campylobacter jejuni colonization and transmission in broiler chickens: a modelling perspective." Journal of The Royal Society Interface 4, no. 16 (2007): 819–29. http://dx.doi.org/10.1098/rsif.2007.1015.

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Campylobacter jejuni is one of the most common causes of acute enteritis in the developed world. The consumption of contaminated poultry, where C. jejuni is believed to be a commensal organism, is a major risk factor. However, the dynamics of this colonization process in commercially reared chickens is still poorly understood. Quantification of these dynamics of infection at an individual level is vital to understand transmission within populations and formulate new control strategies. There are multiple potential routes of introduction of C. jejuni into a commercial flock. Introduction is fol

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Selezniova, O., S. Tsehmistrenko, V. Polishchuk, and S. Polishchuk. "Stabilization of enzyme prepareition protosubtilin G3X for use it on poultry farming." 145, no. 2 (December 27, 2018): 54–61. http://dx.doi.org/10.33245/2310-9289-2018-145-2-54-61.

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Enzyme preparations witchused in animal breeding are unstable. Instability is due to a partial or complete inactivation of the enzymes in the gastrointestinal tract under the influence of a strongly acidic environment, inhibitors and proteases. Increasing the effectiveness of the use of exogenous enzyme preparations is possible by the creation of stabilized forms of biopreparations. To do this, use the principles and methods of engineering enzymology. The aim of the research is to determine the optimal conditions for the immobilization of the enzyme preparation of protosubtilin G3X (proteolyti

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Kolokolnikov, N. V., and E. I. Amiranashvili. "Sunflower kernels and seeds in the diet of broiler chickens." Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production), no. 9 (August 16, 2021): 3–13. http://dx.doi.org/10.33920/sel-05-2109-01.

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The study of the use of compound feed with shelled and unshelled sunflower seeds in the rearing of broiler chickens is of scientific and practical interest. The purpose of the research was to assess the influence of the inclusion of sunflower kernels and seeds in compound feed on the productivity of broiler chickens. In accordance with the set purpose and objectives of the research the experiment has been carried out on broiler chickens of the Arbor Acres cross from the daily age to the 35-day age under the conditions of the LLC “Morozovskaya Poultry Farm”. For the experiment, 5 groups of broi

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Qiao, Yingying, Oleksandr Kyselov, and Changzhong Liu. "EFFECTS OF LONG-TERM RELATIVELY HIGH AND LOW TEMPERATURE USE ON GROWTH PERFORMANCE AND MEAT QUALITY OF BROILERS." Bulletin of Sumy National Agrarian University. The series: Livestock, no. 2 (41) (October 26, 2020): 12–17. http://dx.doi.org/10.32845/bsnau.lvst.2020.2.2.

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The experiment aims to study the effects of long-term relatively high and low temperatures on growth performance and meat quality of broiler chickens. The experiment was carried out in Yunnan Academy of Animal Science, for determine the quality of meat used the laboratories of Henan Institute of Science and Technology. A total of experiment use 240 healthy 1-day-old Avian broiler chickens were randomly divided into three groups: relatively high temperature group, low temperature group and control group. The results of the experiment confirm that at low temperatures, when the energy consumption

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Orlova, T. N. "THE IMPACT OF PROBIOTIC “PROPIONOVYY” ON THE PRODUCTIVITY AND HEMATOLOGICAL FEATURES OF BROILERS." Bulletin of NSAU (Novosibirsk State Agrarian University), no. 3 (October 31, 2019): 98–104. http://dx.doi.org/10.31677/2072-6724-2019-52-3-98-104.

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The paper demonstrates the results of applying some doses of probiotic specimen “Propionovyy” when feeding broilers. Propionovyy specimen was developed by the staff of the Laboratory of Microbiology of the department “Siberian Research Institute of Chemistry” of Federal Altai Center of Agricultural Biotechnologies. It includes multi strain propionate of Propionibacterium freudenreichii type taken from the Siberian collection of microorganisms. The scientific and economic experiment was conducted at the poultry farm of LLC Kuzbass Broiler in the Kemerovo region. The researchers arranged four gr

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Kushnir, I. M., I. S. Semen, S. D. Murska, and G. V. Kolodiy. "APPLICATION OF FEED ADDITIVE BAFASAL IN POULTRY." Scientific and Technical Bulletin оf State Scientific Research Control Institute of Veterinary Medical Products and Fodder Additives аnd Institute of Animal Biology 21, no. 1 (2020): 126–29. http://dx.doi.org/10.36359/scivp.2020-21-1.15.

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Todays is not possible to overcam the problem of the resistance of microorganisms to antibiotics by the development of new antimicrobial agents. Because the new drugs development is quite long process, and the addiction of microorganisms to the antibiotics occurs very fast, in resulting microorganisms become resistant. Prospective direction in solving the problem of antibiotic resistance is the use of bacteriophages, which lytically acting on the pathogens, not causing any toxic effect on the macroorganism. In the article highlight the use of the feed additive Bafasal, which was made on

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Podolian, Ju N. "Effect of probiotics on the chemical, mineral, and amino acid composition of broiler chicken meat." Ukrainian Journal of Ecology 7, no. 1 (2017): 61–65. http://dx.doi.org/10.15421/20178.

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<p>The experiment was conducted to examine the influence of probiotic preparation on the mineral contamination of the broiler chicken muscles. Investigational product contains probiotic lactic acid bacteria of genus Lactobacillus and Enterococcus. It is proved that additional feeding of probiotic “Entero-active” to broiler chickens increases retention of mineral elements of the fodder. To study the effect of probiotic on chicken meat the contamination of minerals in the experimental poultry meat was researched. The studies proved that the additional use of the studied probiotic supplemen

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Klemeshova, I. Yu, V. A. Reimer, E. V. Tarabanova, and Z. N. Alekseeva. "Theoretical basis of obtaining poultry products of «organic» status." Bulletin of NSAU (Novosibirsk State Agrarian University), no. 2 (July 13, 2021): 125–31. http://dx.doi.org/10.31677/2072-6724-2021-59-2-125-131.

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The authors considered organic poultry production and presented a qualitative analysis of the diets used in raising broiler chickens. The authors also evaluated the possibility of switching from traditional diets to diets without chemical and microbial synthesis ingredients based on comparative data on the performance and economics of broiler chicken meat production. Organic requirements prohibit the use of microbial and chemical synthesis and genetically modified products in poultry feed. Obtaining large quantities of poultry products in a short period and at an affordable price involves usin

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Lai, Melody M. C., Huiying Amelie Zhang, and David D. Kitts. "Ginseng Prong Added to Broiler Diets Reduces Lipid Peroxidation in Refrigerated and Frozen Stored Poultry Meats." Molecules 26, no. 13 (2021): 4033. http://dx.doi.org/10.3390/molecules26134033.

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Fatty acid content and lipid oxidation products were compared in chicken breast and leg meats derived from birds fed on animal-fat- and vegetable-oil-based diets, supplemented with ginseng prong powder. The first experiment examined polyunsaturated fatty acid (PUFA) content and the formation of primary and secondary lipid oxidation products in meats stored at refrigeration temperatures (4 °C) for up to 10 days, while the second experiment examined similar changes in the poultry meats when frozen stored at −18 °C, for up to six months. Results showed that initial lipid hydroperoxide concentrati

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Sinurat, Arnold Parlindungan, Tiurma Pasaribu, Tresnawati Purwadaria, Tuti Haryati, Elizabeth Wina, and Tri Wardhani. "Biological Evaluation of Some Plant Bioactives as Feed Additives to Replace Antibiotic Growth Promoters in Broiler Feeds." Jurnal Ilmu Ternak dan Veteriner 25, no. 2 (2020): 81. http://dx.doi.org/10.14334/jitv.v25i2.2501.

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Antibiotics (AGP) have been used as feed additives to promote growth and feed efficiency in poultry production. However, many countries include Indonesia now ban the use of AGP and attempts are made to replace the antibiotic to maintain good performances of broilers. Plant bioactives is one of the alternatives that could replace the AGP. An experiment was conducted in an attempt to replace the AGP in broiler feed with a mixture of some plant bioactives<strong> </strong>(liquid smoke of cashew nutshell, <em>Phyllanthus niruri,</em> and clove leaves). Eight (8) dietary tr

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Bogosavljevic-Boskovic, Snezana, Zlatica Pavlovski, Milun Petrovic, and Vladimir Doskovic. "Quantitative meat quality parameters of broilers from different rearing systems." Biotehnologija u stocarstvu 20, no. 3-4 (2004): 113–19. http://dx.doi.org/10.2298/bah0404113b.

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Bearing in mind both certain established European Union regulations on the non-industrial poultry meat production and rearing specificities in our conditions, experimental investigations were conducted with the aim of examining the effect of two different rearing systems (outlet fattening and extensive rearing in the chicken-pen) on major quantitative characteristics of dressed broiler carcasses. The initial material used in the experiment consisted of one-day old chickens of the Hybro G strain. Following the 56-day fattening period, the shares of dressed carcasses, slaughter by-products, abdo

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Khamitova, V., and A. Osmanyan. "The use of whole wheat grain in feeding of broiler chickens." Glavnyj zootehnik (Head of Animal Breeding), no. 5 (May 1, 2020): 3–8. http://dx.doi.org/10.33920/10.33920/sel-03-2005-01.

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An experiment has been conducted to determine the effectiveness of growing broiler chickens when whole wheat grain has been included in the compound feed. The purpose of the research was to develop an appropriate scheme and dose for feeding whole wheat grain depending on the age of broilers, while observing the normative content of metabolic energy and nutrients in the diets, and to determine the economic effectiveness of rearing of broilers. To determine the effectiveness, data on live weight, growth rate, livability, uniformity of broiler population by live weight and variability of live wei

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Talebi, Alireza, Masoud Maham, Siamak Asri-Rezaei, Pouya Pournaghi, Mohammad-Sadegh Khorrami, and Amir Derakhshan. "Effects of Nigella sativa on Performance, Blood Profiles, and Antibody Titer against Newcastle Disease in Broilers." Evidence-Based Complementary and Alternative Medicine 2021 (June 14, 2021): 1–15. http://dx.doi.org/10.1155/2021/2070375.

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Recent anxiety about resistance to chemical drugs has elevated the position of phytogenic feed additives including Nigella sativa in preventive strategy in the poultry industry. During this study, a completely randomized experiment was designed to investigate the efficacy of different levels (0 to 16%) of N. sativa seeds supplemented in the diet of broilers on performance, immune responses, and hematological and biochemical parameters. The results indicated the following: (a) Supplementation of 1% N. sativa seeds in diet had the highest positive effects and 16% N. sativa had the highest signif

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Buryakov, N. P., A. S. Zaikina, M. A. Buryakova, M. Shaaban, and A. Yu Zagarin. "Livestock indicators of broiler chickens rearing when use in feeding of sweet chestnut wood extract." Kormlenie sel'skohozjajstvennyh zhivotnyh i kormoproizvodstvo (Feeding of agricultural animals and feed production), no. 3 (March 1, 2021): 3–12. http://dx.doi.org/10.33920/sel-05-2103-01.

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The intensifi cation of modern industrial poultry farming as the most progressive and dynamically developing branch of agriculture aimed at raising productivity and increasing production volumes, inevitably leads to numerous problems related to poultry health. One of the most common ways to solve this problem is to use antibacterial drugs. The results of scientifi c and economic experiment on the use of the phytobiotic additive “Farmatan VSO (Butitan)” in feeding broiler chickens of cross Cobb-500 have been provided in the article. The inclusion in the poultry diet of the phytobiotic “Farmatan

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Islam, Md Mirajul, Md Mamunur Rahman, Salma Sultana, Md Zakir Hassan, Abdul Gaffar Miah, and Md Abdul Hamid. "Effects of aloe vera extract in drinking water on broiler performance." Asian Journal of Medical and Biological Research 3, no. 1 (2017): 120–26. http://dx.doi.org/10.3329/ajmbr.v3i1.32047.

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This experiment was conducted to evaluate the effects of dietary supplementation of aloe vera extract (w/v) on growth performance of broiler. The present study explored the potentials of medicinal plants Aloe barbedensis mixture in broiler performance. For this purpose, 120 day old chicks were randomly assigned into five treatment groups, namely T0, T1, T2, T3 and T4. Each treatment group contained 24 chicks. The chicks were purchased from a local chick hatchery named Nourish Poultry & Hatchery Ltd. Birds were brooded up to 10 days and then reared in separate flock for 35 days in an open s

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Wang, Xiaofei, Yanzhao Xu, and Hanna Fotina. "Effects of probiotic Clostridium Butyrate on Performance and Immunocompetence and Digestive Function of poultry." Ukrainian Journal of Veterinary and Agricultural Sciences 3, no. 1 (2020): 27–33. http://dx.doi.org/10.32718/ujvas3-1.05.

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The purpose of our research was to study the effects of dietary addition of Clostridium butyricum (CB) on performance, immunocompetence and digestive function of poultry. Using single factor experiment design, 720 one-day-old and healthy AA broilers were divided into 6 groups with 6 replicates in each group and 20 broilers in each replicate. Broilers in control group were fed a basal diet, while broilers of other experimental group were fed the basal diet supplemented with CB 250 mg/kg, 500 mg/kg, 750 mg/kg, 1000 mg/kg and 1250 mg/kg. The results showed as follows: The 1000mg/mg group had the

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Onunkwo, D. N., and O. A. Ekine. "Performance of broiler chickens fed diet containing fermented maize milling waste." Nigerian Journal of Animal Production 47, no. 1 (2020): 214–20. http://dx.doi.org/10.51791/njap.v47i1.232.

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Several efforts are being made to find the possibilities of utilizing agro-industrial by products in poultry nutrition. The deployment of maize milling waste for feeding broilers has a promise for reducing its nuisance value, yet enhancing the feeding of broilers. An eight weeks' study was carried out with 108 day-old Anak broiler chicks, to evaluate the performance of broiler chickens fed diet containing maize milling waste as a replacement for maize. Maize milling waste was analyzed for its proximate composition. It was then used in formulating starter and finisher broiler diets at 0.0%, 10%

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Raceviciūtė-Stupelienė, A., V. Sasytė, R. Gruzauskas, and A. Simkus. "Influence of probiotic preparation YEASTURE-W on the productivity and meat quality of broiler chickens." Biotehnologija u stocarstvu 23, no. 5-6-1 (2007): 543–50. http://dx.doi.org/10.2298/bah0701543r.

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Probiotics are widely accepted as an alternative to in-feed antibiotics in poultry production. The objective of investigation was to research the effect of probiotic preparation YEASTURE-W for growth performance, meat and carcass quality of broiler chicks. The experiment was performed with 120 Hybro-PN broiler chickens 1?56-day-old, divided into 2 groups of 60 birds each. The both groups were fed crumbled feed mixtures ad libitum. The feed mixture of the experimental group was supplemented with probiotic preparation YEASTURE-W (2 kg/t feed). The birds were maintained on deep litter and watered

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Olorede, B. R., A. A. Onifade, and G. M. Babatunde. "COMPARATIVE UTILIZATION OF SHEA BUTTER CAKE AND PALM KERNEL CAKE BY BROILER CHICKENS." Nigerian Journal of Animal Production 24, no. 2 (2021): 124–31. http://dx.doi.org/10.51791/njap.v24i2.2312.

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The utilization of Shea butter cake (SBC), a by-product of fat extraction from sheabutter nuts (Butyrospennum paradoxum) was compared with Palm Kernel Cake (PKC) to establish its potential as a poultry feedstuff. A 2 x 3 factorial experiment combining two factors, SBC and PKC at three levels of inclusion (5%, 10% and 15%) was designed. The six dietary treatments were fed to a total of 180 day-old chicks up to 56 days of age. Broilers fed SBC diets consumed more feed (P < 0.05) than those fed PKC diets between 0-28 days of age. During the finisher period (29-56d) and the entire period (0-56d

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LALA, A. O., M. K. OLANREWAJU, A. P. OLANREWAJU, R. A. SANUSI, A. L. OLATUNDE, and O. R. SENAIKE. "GROWTH PERFORMANCE, NUTRIENT DIGESTIBILITY AND BLOOD INDICES OF FINISHING BROILER CHICKENS FED VARYING LEVELS OF PRE-GELATINIZED CASSAVA GRITS AS A REPLACEMENT FOR MAIZE." Journal of Agricultural Science and Environment 17, no. 2 (2019): 81–94. http://dx.doi.org/10.51406/jagse.v17i2.1835.

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Pre gelatinized cassava grit (PGCG) is a new cassava product produced mechanically and commercially for poultry feeding. Five dietary treatments were formulated with PGCG replacing maize at 0, 25, 50, 75 and 100 % in broiler starter (0-4 weeks) and finisher (4-8 weeks) diets. Two hundred (200) day-old broiler chickens were allotted to the five dietary treatments in a completely random design. Each treatment was replicated four times with 10 birds per replicate and 40 birds per treatment. At the end of week 4 and 8 of the experiment, data were collected on growth performance, nutrient digestibi

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Semenenko, M. P., M. N. Sokolov, E. V. Kuzminova, and P. V. Miroshnichenko. "EVALUATION OF THE EFFECTIVENESS OF THE PREPARATION GEPRASAN IN PREVENTION OF MYCOTOXYCOSIS OF BROILER CHICKENS." Problems of Veterinary Sanitation, Hygiene and Ecology 1, no. 1 (2018): 95–98. http://dx.doi.org/10.36871/vet.san.hyg.ecol.201801016.

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The article presents materials on the use of a new complex preparation geprasan for the prevention of mycotoxicosis of broiler chickens and its influence on safety, results of biochemical parameters of the blood serum and data of necropsy of the poultry liver. According to the scheme of the experiment, three groups of chickens were formed with 50 goals in each. Bird of the 1st group (control) during the whole experimental period received only feed of the main diet, chickens of the 2nd and 3rd groups for 21 days in the feed were added geprasan in amount of 1 and 2%, respectively, of the dry mat

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