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Готові списки джерел за темами / Ruminants Feeding and feeds Evaluation / Статті в журналах

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Статті в журналах з теми "Ruminants Feeding and feeds Evaluation"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 28 січня 2023

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1

Sun, Xuezhao, David Pacheco, Grant Taylor, Peter H. Janssen, and Natasha M. Swainson. "Evaluation of Feed Near-Infrared Reflectance Spectra as Predictors of Methane Emissions from Ruminants." Animals 12, no. 18 (September 19, 2022): 2478. http://dx.doi.org/10.3390/ani12182478.

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Feed chemical composition is associated with methane (CH4) formation in the rumen, and thus CH4 yields (Ym; CH4 emitted from per unit of dry matter intake) could be predicted using near-infrared reflectance spectroscopy (NIRS) of feeds fed to ruminants. Two databases of NIRS data were compiled from feeds used in experiments in which CH4 yields had been quantified in respiration chambers. Each record in the databases represented a batch of feed offered to a group of experimental animals and the mean CH4 yield for the group. A near-infrared reflectance spectrum was obtained from each feed, and t

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2

Marcos, Carlos N., Trinidad de Evan, Eduarda Molina-Alcaide, Margarita Novoa-Garrido, Martin Riis Weisbjerg, and María Dolores Carro. "Preserving Saccharina latissima and Porphyra umbilicalis in Multinutrient Blocks: An In Vitro Evaluation." Agriculture 13, no. 2 (January 21, 2023): 263. http://dx.doi.org/10.3390/agriculture13020263.

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Seaweeds could be alternative feedstuffs for ruminants, but their utilization in practical feeding is difficult because they deteriorate rapidly. We investigated the possibility of preserving Saccharina latissima and Porphyra umbilicalis in multinutrient blocks (MB), which is a cost-effective preservation method for high-moisture feeds. Three different MB were prepared: without seaweed (control; CMB), with 25% of fresh S. latissima (SLMB), and with 36% of fresh P. umbilicalis (PUMB). Both seaweeds and MB were fermented in vitro with ruminal fluid from sheep. The nitrogen and fiber content of P

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3

Wang, Lin, Miao Lin, Yuwei Yang, Dalin Liu, and Guoqi Zhao. "PSVII-13 Evaluation of Ginkgo Leaf as a Feed for Ruminants by Using in Vitro gas Production Technique." Journal of Animal Science 100, Supplement_3 (September 21, 2022): 385–86. http://dx.doi.org/10.1093/jas/skac247.704.

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Abstract The objective of this study was to examine the fermentation characteristics of ginkgo leaf compared with traditional feeds, rice straw, alfalfa and soybean meal, by using in vitro gas production technique. Three ruminal cannulated Chinese Holstein dairy cows were fed a total mixed ration. Rumen fluid was collected via from a ruminal cannula before feeding and then filtered through four layers of cheesecloth. Samples (220 mg air-dried) of rice straw, alfalfa, soybean meal and ginkgo leaf were placed in each glass bottle (150 mL), and 30 mL mixed solution with rumen fluid and a buffer s

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4

Yanuartono, Yanuartono, Soedarmanto Indarjulianto, Alfarisa Nururrozi, Hary Purnamaningsih, and Slamet Raharjo. "Urea Molasses Multinutrien Blok Sebagai Pakan Tambahan pada Ternak Ruminansia (UREA MOLASSES MULTINUTRIENT BLOCK AS A FEED SUPPLEMENT TO CATTLE)." Jurnal Veteriner 20, no. 3 (November 27, 2019): 445. http://dx.doi.org/10.19087/jveteriner.2019.20.3.445.

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The poor quality crop residues constitute the bulk of dry matter consumed by the ruminants. Like in most developing countries, including in Indonesia, feed shortage is the main constraint to their productivity. During the hot and dry seasons, the available feed resources are not enough in energy and digestion proteins, which are insufficient to maintenance requirements and reducing productivity throughout the year. The use of conventional feedstuffs such as rice brand, pollard, soybean cake, and groundnut cake to enhance production has become inappropriate. These supplements are in short suppl

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5

Torres-Fajardo, Rafael Arturo, Pedro Geraldo González-Pech, Juan Felipe de Jesús Torres-Acosta, and Carlos Alfredo Sandoval-Castro. "Nutraceutical Potential of the Low Deciduous Forest to Improve Small Ruminant Nutrition and Health: A Systematic Review." Agronomy 11, no. 7 (July 13, 2021): 1403. http://dx.doi.org/10.3390/agronomy11071403.

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Nutraceuticals are defined as livestock feeds that combine their nutritional value with their beneficial effects on animal health. We analyzed the outcomes from nearly 20 years of research assessing the nutraceutical properties of plants consumed by sheep and goats in low deciduous forests. A systematic review of different databases suggested 31 peer-reviewed manuscripts according to pre-established criteria. Amongst these, 16 manuscripts described in vitro evaluations investigating the bioactivity of plant secondary compounds in the extracts of 12 plant species. Most of these studies used the

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6

Tolkamp, B. J., and J. J. M. H. Ketelaars. "The effect of ad lib feeding on the efficiency of energy utilization in growing and lactating cattle." Proceedings of the British Society of Animal Production (1972) 1993 (March 1993): 55. http://dx.doi.org/10.1017/s0308229600023825.

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Recently, we have proposed a new theory of feed intake regulation in ruminants (Ketelaars and Tolkamp, 1992a,b; Tolkamp and Ketelaars, 1992). This theory attributes great significance to the efficiency of metabolizable energy (ME) utilization for feed intake regulation. In brief, we assume that feed intake behaviour of ruminants aims at maximizing the ratio of net energy intake (representing the benefits of feeding) relative to oxygen consumption (representing the metabolic costs of feeding). Starting from this assumption, we have shown that knowledge of the efficiency of ME utilization obtain

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7

Leng, RA. "Quantitative ruminant nutrition — a green science." Australian Journal of Agricultural Research 44, no. 3 (1993): 363. http://dx.doi.org/10.1071/ar9930363.

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Knowledge of quantitative digestion and metabolism in ruminants was developed most rapidly when isotope dilution techniques became easy to apply, facilitated by improved instrumentation and mathematical approaches. The Armidale group led by Professor E. F. Annison and Dr D. B. Lindsay were at the forefront of these developments in the late 1950's. Since then knowledge in this area has developed at an ever increasing rate. The data that accumulated from the quantitative approach led to simple or complex models of animal digestion, metabolism and growth. These in turn led to much questioning of

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8

Pramita, Melyndra Sonya, and Hendrawan Soetanto. "The potential of frozen rumen fluid for ruminant feed evaluation using in vitro gas production technique." E3S Web of Conferences 335 (2022): 00053. http://dx.doi.org/10.1051/e3sconf/202233500053.

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The aim of this study was to determine the potential of frozen rumen fluid (RF) for ruminant feed evaluation using in vitro gas production (IVGP) technique. This study used a factorial randomized block design with a 3 × 3 × 3 pattern, consisting three feeding regimes varying in forage to concentrate proportion, namely 20%:80% (feed A), 40%:60% (feed B), and 60%:40% (feed C), respectively; three storage time (2, 11, and 19 days); and RF from 3 breeds of indigenous cattle, namely Bali, crossbred Ongole and Madura cattle as groups. The results showed that the effects of feeding regimes, inoculum

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9

Cone, J. W., and A. H. van Gelder. "Estimation of efficiency of microbial growth in rumen fluid with the gas production technique." Proceedings of the British Society of Animal Science 1999 (1999): 39. http://dx.doi.org/10.1017/s1752756200001940.

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In the Dutch feed evaluation system for ruminants, it is assumed that each 1000 g of rumen fermented organic matter (FOM) produces 150 g of microbial protein. However, this is a simplification of the real in vivo processes. Demeyer and Van Nevel (1986) concluded that the efficiency of microbial growth depends on several factors, such as chemical and physical properties and intake. They concluded that feeding low quality roughage would show lowest efficiency and feeding highly degradable starch would show highest efficiency. We investigated the possibilities to estimate differences in efficienc

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10

Tahir, M. N., Z. Khan, S. Ahmad, M. Z. Ihsan, M. H. Lashari, and M. A. Khan. "In situ dry matter, protein and neutral detergent fibre degradation kinetics of Cholistan Desert grasses." South African Journal of Animal Science 50, no. 2 (July 1, 2020): 334–44. http://dx.doi.org/10.4314/sajas.v50i2.17.

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Global climate change is evident and poses serious threats to the sustainability of traditional rangeland livestock production systems. This study tested the feeding potential of perennial grasses of Cholistan Desert for various species of ruminants at different physiological stages. Eight common and nutritionally important grass species (Cenchrus ciliaris, Stipagrostis plumose, Panicum antidotale, Cymbopogon jwarancusa, Cenchrus pennisitiformis, Lasiurus scindicus, Ochthochloa compressa and Vetiveria zizanioides) were investigated for in situ degradation parameters according to Nordic feed ev

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11

Addass, P., H. Nyako, D. Agga, and I. Mohammed. "Nutrients evaluation of some common feed resources for cost effective feeding of ruminants in Mubi, Nigeria." Agriculture and Biology Journal of North America 2, no. 1 (January 2011): 15–18. http://dx.doi.org/10.5251/abjna.2011.2.1.15.18.

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12

Sallam, Sobhy Mohamed Abdallah, Ives Claudio da Silva Bueno, Patricia Barboza Godoy, Eduardo Fernando Nozella, Adibe Luiz Abdalla, and Dorrina Miriam Silber Schmidt Vitti. "Evaluation of artichoke (Cynara scolymus) by-product using the semi-automatic In vitro gas production technique." Proceedings of the British Society of Animal Science 2007 (April 2007): 208. http://dx.doi.org/10.1017/s1752756200021116.

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The major constraint limiting the development of livestock production in many developing countries is inadequacy of animal feed; although there are a wide range of valuable by-products and residues eligible to complement it. To estimate whether a material is appropriate for animal feeding, in vitro gas production (GP) technique have been used to evaluate the potential of different classes of feedstuffs to supply nutrients to ruminants. Thus, the fermentation characteristics of artichoke by-product (Cynara scolymus), alfalfa and Tifton 85 (Cynodon sp) hay were evaluated by in vitro GP technique

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13

Rouzbehan, Y., Y. Chashnidel, and A. Nik-khah. "Development of feedingstuffs evaluation systems in iran." Proceedings of the British Society of Animal Science 1995 (March 1995): 155. http://dx.doi.org/10.1017/s1752756200591509.

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In order to increase the animal production such as meat, milk and wool, it is vital to relate information on the nutritional characteristics of feed available with the requirements for nutrients according to the purpose and rate of productivity of the animals in question. In the industrialised countries, this information has been incorporated in tables of “Feeding Standards” which interpret chemical analyses of feed resources in terms of their capacity to supply the energy, protein, vitamins and minerals required for the particular productive purpose. However, in Iran,due to the lack of such t

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14

Rouzbehan, Y., Y. Chashnidel, and A. Nik-khah. "Development of feedingstuffs evaluation systems in iran." Proceedings of the British Society of Animal Science 1995 (March 1995): 155. http://dx.doi.org/10.1017/s0308229600029214.

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Анотація:

In order to increase the animal production such as meat, milk and wool, it is vital to relate information on the nutritional characteristics of feed available with the requirements for nutrients according to the purpose and rate of productivity of the animals in question. In the industrialised countries, this information has been incorporated in tables of “Feeding Standards” which interpret chemical analyses of feed resources in terms of their capacity to supply the energy, protein, vitamins and minerals required for the particular productive purpose. However, in Iran,due to the lack of such t

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15

Winders, Thomas, Eric Serum, David J. Smith, Bryan W. Neville, Kafi Mia, Samat Amat, Carl R. Dahlen, and Kendall C. Swanson. "335 Evaluation of Hempseed Cake on Cattle Performance, Carcass Characteristics and Feeding Behavior in Finishing Diets." Journal of Animal Science 99, Supplement_3 (October 8, 2021): 184–85. http://dx.doi.org/10.1093/jas/skab235.334.

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Abstract As cannabinoid production continues to increase, there is increasing interest in feeding byproducts of industrial hemp production to livestock. An experiment using crossbred heifers (n = 31; initial BW= 494 kg, SE = 10) was conducted to determine the effects of feeding hempseed cake in a corn-based finishing diet (10% forage) formulated to meet or exceed ruminally degradable and metabolizable protein requirements on growth, performance, carcass characteristics, and feeding behavior. Heifers were assigned randomly to one of two treatments: 1.) diet containing 20% dried distillers grain

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16

Salama Rashid, Mohamed Rashid, Mohamed Ahmed Hanafy, Mervat Sayed Hassan Youssef, Harry Archimède, Sobhy Mohamed Abdallah Sallam, Yosra Ahmed Soltan, and Wafaa Mostafa Ali Ghoneem. "Chemical and in vitro evaluation of Leucaena (Leucaena leucocephala) Leaves as a Substitute of Alfalfa (Medicago sativa L.) with/without Rejected Green Banana Fruits (Musa paradisiaca)." World's Veterinary Journal 11, no. 4 (December 25, 2021): 685–97. http://dx.doi.org/10.54203/scil.2021.wvj86.

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Leucaena leaves and rejected green banana fruits can be promising to cope with feed gaps in arid and semi-arid Mediterranean regions. The present study evaluated the feeding value and secondary active compounds of Leucaena leaves and rejected green banana fruits for ruminants using a semi-automated gas production (GP) system. Comparisons were made with the traditional feeds as alfalfa, and Dichanthium spp. grass hay. Analysis of HPLC was performed for the feed ingredients to characterize the main phenolic components. The in vitro evaluation was carried out for the experimental feed ingredients

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17

Teixeira, Daniel Augusto Alves, Kátia Aparecida De Pinho Costa, Mariana Borges de Castro Dias, Kátia Cylene Guimarães, Patrícia Soares Epifanio, and Patrick Bezerra Fernandes. "Protein and carbohydrate fractionation of silages made from maize, <i>Urochloa</i> species and their mixtures." Tropical Grasslands-Forrajes Tropicales 10, no. 2 (May 31, 2022): 134–42. http://dx.doi.org/10.17138/tgft(10)134-142.

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New feed assessment systems and methodologies for ruminants are being used with the aim of maximizing the use of nutrients by animals. The Cornell Net Carbohydrate and Protein System (CNCPS) considers the dynamics of ruminal fermentation and the potential loss of nitrogen in feed evaluation. We used this system to evaluate the protein and carbohydrate fractionation of silages made from maize and Urochloa species alone and in combination (70:30). The experiment was carried out under a completely randomized experimental design with 4 replications. Treatments comprised silages made from the follo

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18

Tedeschi, Luís Orlindo, Danny Gene Fox, Roberto Daniel Sainz, Luís Gustavo Barioni, Sérgio Raposo de Medeiros, and Celso Boin. "Mathematical models in ruminant nutrition." Scientia Agricola 62, no. 1 (January 2005): 76–91. http://dx.doi.org/10.1590/s0103-90162005000100015.

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Mathematical models can be used to improve performance, reduce cost of production, and reduce nutrient excretion by accounting for more of the variation in predicting requirements and feed utilization in each unique production situation. Mathematical models can be classified into five or more categories based on their nature and behavior. Determining the appropriate level of aggregation of equations is a major problem in formulating models. The most critical step is to describe the purpose of the model and then to determine the appropriate mix of empirical and mechanistic representations of ph

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19

Rudenko, Yevhen, and Victoria Kunets. "THEORETICAL FUNDAMENTALS OF FATTENING CATTLE IN HISTORICAL AND MODERN RETROSPECTION (according to the bibliography of Academician G. Bogdanov)." Scientific and Technical Bulletin of the Institute of Animal Science NAAS of Ukraine, no. 124 (2020): 156–69. http://dx.doi.org/10.32900/2312-8402-2020-124-156-169.

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An attempt is made to concentrate this research in the field of the scientific heritage of Academician UAAS G. Bogdanov, due to certain retrospective and prospective reasons. The main scientific research of Bogdanov O. devoted to the development of theoretical bases of animals’ feeding farms, technologies of feed production and use were carried out in the period connected with work at the Research Institute of Animal Husbandry of the Forest-Steppe and Polissya of the USSR (1956–1976, now the Institute of Animal Husbandry NAAS). Developing the theoretical and practical positions of the classics

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20

Rotz, Alan. "348 Integration of Nutrition with Air and Water Environmental Concerns." Journal of Animal Science 99, Supplement_3 (October 8, 2021): 195. http://dx.doi.org/10.1093/jas/skab235.352.

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Abstract The dairy and beef cattle industries face a number of environmental challenges related to air and water quality as well as the use of limited resources such as water and fossil energy. Mitigation strategies are available and being developed to reduce environmental impacts, but economical solutions remain a challenge. Assessment of mitigation strategies requires a comprehensive evaluation to assure that benefits in one component are not offset by harm in another. Process-based modeling and life cycle assessment provide tools for conducting this type of integrated evaluation. The most c

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21

Dingwall, W. S., J. E. Vipond, H. E. Brown, and E. A. Hunter. "Lamb performance on swedes supplemented with barley or soya bean meal." Proceedings of the British Society of Animal Production (1972) 1989 (March 1989): 58. http://dx.doi.org/10.1017/s0308229600010515.

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Supplementation of finishing lambs fed swedes in situ has been traditionally achieved with cereals or 14% CP compound feeds. Crowing of winter cereals has reduced the availability of protein-rich grass runbacks and on most farms where lambs are consuming mainly swede bulbs there is likely to be a daily deficit of RDP of around 16 g RDP/day (0.15 of total requirement). Recent MLURI work (Milne pers comm) indicates that the normal RDP:ME ratio of ruminant diets of 7.8:1 may be inadequate in the unusual conditions of high rumen turnover rates and rapid fermentation associated with root feeding. R

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22

Bielamowicz, Lauren P., Taylor J. Garcia, Nichole M. Cherry, James P. Muir, and William B. Smith. "166 Moo-vie Snacks: Evaluation of waste popcorn as a feedstuff in comparison with known livestock feeds." Journal of Animal Science 97, Supplement_1 (July 2019): 55. http://dx.doi.org/10.1093/jas/skz053.124.

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Abstract While the use of by- or co-products can help offset the costs of feeding cattle, these feeds often increase in price with increased adoption. Therefore, discovery and characterization of novel feedstuffs could benefit the producer. Our objective was to evaluate the viability of waste popcorn (Zea mays L.) as a feedstuff in ruminant diets. This objective was addressed through a series of two experiments. In Exp. 1, storage stability of popcorn was evaluated. Popcorn was collected on consecutive weekdays in 2 wk from a local cinema. Samples (n = 10) were subdivided into 9 aliquots and s

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23

Mpanza, Thamsanqa Doctor Empire, Abubeker Hassen, and Abiodun Mayowa Akanmu. "Evaluation of Stylosanthes scabra Accessions as Forage Source for Ruminants: Growth Performance, Nutritive Value and In Vitro Ruminal Fermentation." Animals 10, no. 11 (October 22, 2020): 1939. http://dx.doi.org/10.3390/ani10111939.

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Feed shortage is the main cause of poor production performance in livestock under smallholder farmer’s in South Africa. Therefore, this study evaluated the growth performance, nutritive value and in vitro ruminal fermentation of Stylosanthes scabra accessions in climatic condition of Pretoria, South Africa as potential forage sources in order to improve feed quality and subsequently livestock production. Stylosanthes scabra accessions were planted in 6 m2 plots following a complete randomized block design with three replicates per accession. The plants were allowed to grow to full maturity aft

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24

Nogoy, Kim Margarette C., Jia Yu, Young Gyu Song, Shida Li, Jong-Wook Chung, and Seong Ho Choi. "Evaluation of the Nutrient Composition, In Vitro Fermentation Characteristics, and In Situ Degradability of Amaranthus caudatus, Amaranthus cruentus, and Amaranthus hypochondriacus in Cattle." Animals 11, no. 1 (December 24, 2020): 18. http://dx.doi.org/10.3390/ani11010018.

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The amaranth plants showed high potential feed value as forage for ruminants. An in-depth study of this plant, particularly in cattle, will help extend its utilization as an alternative protein and fiber feed source in cattle feeding. In this study, the nutrient compositions of three different species of amaranth, Amaranthus caudatus L., Amaranthus cruentus L., and Amaranthus hypochondriacus L.—two varieties for each species, A.ca 74, A.ca 91, A.cu 62, A.cu 66, A. hy 30, and A. hy 48—were evaluated. The in vitro technique was used to evaluate the fermentation characteristics such as total gas

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25

Rayzanov, Vitalii, Baer Nurzhanov, Albert Rysaev, Galimzhan Duskaev, and Ivan S. Miroshnikov. "PSVIII-13 Evaluation of the effect of chlortetracycline on ruminal microbiome of ruminant against a background of plant extract." Journal of Animal Science 98, Supplement_4 (November 3, 2020): 258–59. http://dx.doi.org/10.1093/jas/skaa278.467.

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Abstract The limited use of antibiotics stimulates the search for alternatives or ways to reduce antibiotic resistance in order to prevent diseases and increase the productivity of ruminants. The aim of this study was to evaluate the effect of Quercus cortex (QC) extract (0.5 ml/kg body weight) together with chlortetracycline (Ch) (20%, 10 g/head/day) on cattle ruminal microbiome against the background of control (C), extract of QC and Ch. They were added separately as a substrate to the diets of bulls with rumen fistula (dairy breed, 12-months, diet - 80% hay, 20% grain feed, within 20 days).

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26

Afriani, Tinda, Jaswandi Jaswandi, Dwi Yuzaria, and M. Ikhsan Rias. "Pemberdayaan Masyarakat melalui Perbaikan Sistem Pemeliharaan Sapi di Nagari Ampang Pulai, Pesisir Selatan." Jurnal Warta Pengabdian Andalas 28, no. 1 (March 23, 2021): 24–29. http://dx.doi.org/10.25077/jwa.28.1.24-29.2021.

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The cows are one of the ruminants that have the largest contribution as a producer of meat and for meeting the needs of animal protein. Some of the factors that can affect the lack of success of a cattle farm are the extensive rearing, limitation of cage’s fasilities, bad quality of sanitation, and lack of reproduction knowledge by farmers. The purpose of this service activity was to provide knowledge and skills of local farmers in terms of toward intensive farming, based on cowshed quality, sustainable of feed and roughage, and optimal reproduction of the cows. It hopes to increase the income

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27

Chen, X. B., A. T. Mejia, D. J. Kyle, and E. R. Ørskov. "Evaluation of the use of the purine derivative: creatinine ratio in spot urine and plasma samples as an index of microbial protein supply in ruminants: studies in sheep." Journal of Agricultural Science 125, no. 1 (August 1995): 137–43. http://dx.doi.org/10.1017/s002185960007458x.

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SUMMARYIn ruminants, the urinary excretion of purine derivatives (PD) reflects the absorption of microbial purines and can be used as an index of microbial protein supply. The objective of this study, carried out in Aberdeen, 1992, was to examine whether PD concentrations in spot urine or plasma samples vary diurnally during a given feeding regime and if they reflect differences in daily PD excretion induced by varying feed intake. Sixteen sheep were offered ad libitum one of four diets (fresh weight basis, the rest of each diet being minerals and vitamins): (1) 99·9% lucerne (pelleted); (2) 5

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28

García-Orozco, Edgar, Gabriela Leyva-Olvera, Hermilo Leal-Lara, Atmir Romero-Pérez, Luis Corona, and Claudia Cecilia Márquez-Mota. "PSXII-25 Characterization and evaluation of the in vitro dry matter digestibility of corn stover spent used to produce edible fungi." Journal of Animal Science 97, Supplement_3 (December 2019): 415. http://dx.doi.org/10.1093/jas/skz258.823.

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Abstract Corn stover (CS) is an agricultural byproduct available in many countries for animal feed. However, due to its high lignin (L) and neutral detergent fiber (NDF) content it has a low digestibility. The production of edible fungi, using CS-based substrate, is an option to improve CS digestibility, as fungi can break down the cross-links between cell wall components. The aim of the study was to evaluate the effect of fungal treated CS from 17 species of white rot fungi: Lentinula edodes (L5, L9, LC,L15), Hericium sp (Heri) and Pleurotus djamour (Pd-Pro, Pd-UTMR) Pleurotus eryngii (Pe-PQ,

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29

Bueno, Ives C. S., Roberta A. Brandi, Gisele M. Fagundes, Gabriela Benetel, and James Pierre Muir. "The Role of Condensed Tannins in the In Vitro Rumen Fermentation Kinetics in Ruminant Species: Feeding Type Involved?" Animals 10, no. 4 (April 7, 2020): 635. http://dx.doi.org/10.3390/ani10040635.

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Animal feeding behavior and diet composition determine rumen fermentation responses and its microbial characteristics. This study aimed to evaluate the rumen fermentation kinetics of domestic ruminants feeding diets with or without condensed tannins (CT). Holstein dairy cows, Nelore beef cattle, Mediterranean water buffalo, Santa Inês sheep and Saanen goats were used as inoculum donors (three animals of each species). The substrates were maize silage (Zea mays), fresh elephant grass (Pennisetum purpureum), Tifton-85 hay (Cynodon spp.) and fresh alfalfa (Medicago sativa). Acacia (Acacia molissi

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Madsen, J., T. Hvelplund, and M. R. Weisbjerg. "Appropriate methods for the evaluation of tropical feeds for ruminants." Animal Feed Science and Technology 69, no. 1-3 (November 1997): 53–66. http://dx.doi.org/10.1016/s0377-8401(97)81622-7.

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Furtado, C. E., D. M. S. S. Vitti, I. C. S. Bueno, R. S. Dias, P. B. Godoy, S. L. S. Cabral Filho, and A. L. Abdalla. "Gas production technique in the evaluation of horse feeds using equine faeces and rumen liquid as inoculum source 2. In vitro digestibility." Proceedings of the British Society of Animal Science 2005 (2005): 111. http://dx.doi.org/10.1017/s175275620001022x.

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In vitro and in situ techniques for research on ruminants are currently much in focus. Since they have good correlations with in vivo data, they are feasible alternatives to predict the nutrition rates of feeds and may be applied in equine research on in vivo apparent digestibility. On the other hand, the disadvantage of these methods is due to the fact that fistulated animals are required to obtain the inoculum. Theodorou et al., (1994) developed an extremely promising gas production technique to assess feeds for ruminants, but still require rumen inoculum obtained from operated animals. Faec

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ZOIOPOULOS (Π. ΖΩΪΟΠΟΥΛΟΣ), P. "The applications of biotechnology in animal feeding: A critical overview." Journal of the Hellenic Veterinary Medical Society 55, no. 2 (December 6, 2017): 156. http://dx.doi.org/10.12681/jhvms.15186.

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An effort is made in this article to present the applications of biotechnology as regards the improvement of nutritive value and the development of novel feeds as well as the production of various types of feed additives. With respect to raw materials, quality upgrading by bio technological means has been attempted through lignocellulose breakdown or protein enrichment. In addition, reference is made to bioproteins and feeds derived from transgenic plants, particularly those resistant to herbicides. In turn, reference is made to aminoacids as products of industrial fermentation. Furthermore, v

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Deaville, E. R. "The role of biotechnology in enhancing the digestion of forage cell walls by ruminants (jerry hughes scholarship)." Proceedings of the British Society of Animal Science 1995 (March 1995): 73. http://dx.doi.org/10.1017/s1752756200590693.

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The term biotechnology has been defined as the application of biological organisms, systems or processes to manufacture and service industries (Anon, 1980) and is, therefore, more than the application of ‘genetic engineering’ techniques alone. The potential application of biotechnology to the agricultural livestock industry includes many wide ranging areas: animal health; breeding; livestock production; livestock nutrition and the nutritive value of feeds. The role of biotechnology in animal nutrition and feeding is of particular importance since feed costs account for a significant proportion

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Deaville, E. R. "The role of biotechnology in enhancing the digestion of forage cell walls by ruminants (jerry hughes scholarship)." Proceedings of the British Society of Animal Science 1995 (March 1995): 73. http://dx.doi.org/10.1017/s0308229600028403.

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Анотація:

The term biotechnology has been defined as the application of biological organisms, systems or processes to manufacture and service industries (Anon, 1980) and is, therefore, more than the application of ‘genetic engineering’ techniques alone. The potential application of biotechnology to the agricultural livestock industry includes many wide ranging areas: animal health; breeding; livestock production; livestock nutrition and the nutritive value of feeds. The role of biotechnology in animal nutrition and feeding is of particular importance since feed costs account for a significant proportion

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ÜNLÜ, Hayrullah Bora, Figen KIRKPINAR, and Mürsel OZDOGAN. "Nutritional evaluation of the agro-industrial by-products and waste fruits-vegetable for sustainable ruminant nutrition." Journal of the Hellenic Veterinary Medical Society 73, no. 1 (April 29, 2022): 3657–66. http://dx.doi.org/10.12681/jhvms.25386.

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The growing consumption of ruminant animal products gives rise to a huge demand of animal feed in growing countries. By-product feeds, waste fruits-vegetables, and crop residues should be considered as a valuable alternative feed resource in ruminant nutrition. This waste can be reutilized and converted by ruminants to valuable products for human benefits as a new resource and in return to increase the effectiveness of limited feed sources. But, there are limited new information and research regarding the nutritive value of this waste for ruminants. For this purpose, the experiment was conduct

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ÜNLÜ, Hayrullah Bora, Figen KIRKPINAR, and Mürsel OZDOGAN. "Nutritional evaluation of the agro-industrial by-products and waste fruits-vegetable for sustainable ruminant nutrition." Journal of the Hellenic Veterinary Medical Society 73, no. 1 (April 29, 2022): 3657–66. http://dx.doi.org/10.12681/jhvms.25386.

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Анотація:

The growing consumption of ruminant animal products gives rise to a huge demand of animal feed in growing countries. By-product feeds, waste fruits-vegetables, and crop residues should be considered as a valuable alternative feed resource in ruminant nutrition. This waste can be reutilized and converted by ruminants to valuable products for human benefits as a new resource and in return to increase the effectiveness of limited feed sources. But, there are limited new information and research regarding the nutritive value of this waste for ruminants. For this purpose, the experiment was conduct

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Radchikov, V. F., V. P. Tsai, V. K. Gurin, and V. A. Lyundishev. "ORGANIC TRACE ELEMENT COMPLEX FOR CALVES FEEDING." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 18, no. 3(71) (October 13, 2016): 225–27. http://dx.doi.org/10.15421/nvlvet7152.

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Trace elements are commonly used in the form of inorganic salts poorly digested by ruminants due rumen microflora, which transits its greater part into indigestible and insoluble form. Trace elements in the form of chelates are supplied with amino acids and peptides, and used by the body much more efficiently. Inclusion of organic trace element complex (OMEK) in compound feed KR–1 in the amount of 10% of the existing standards for trace elements content in typical formulations for growing young cattle for meat has a positive impact on palatability of feeds, morphological and biochemical compos

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Tercero, J. C. Ordóñez, L. Ramírez Avilés, C. Aguilar Perez, and C. A. Sandoval-Castro. "Effect of energy source and supplementation pattern on feed intake and microbial-N supply in dual purpose cows (Bos indicus x B. taurus)." Proceedings of the British Society of Animal Science 2003 (2003): 120. http://dx.doi.org/10.1017/s1752756200012795.

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The microbial protein synthesis is variable and depend of several of factors, one the most important being the energy sources. Numerous investigations have evaluated individual sugars. However, few quantitative information is available describing the impact of sucrose or its monosacharides (glucose and fructose) and how they compare with other carbohydrate such as starch (Heldt et al., 1999). Chamberlain and Choung (1995) mention that sugar supplementation results in a higher microbial nitrogen supply (MNS) than starch. On the other hand, the amount of nutrients that ruminants can remove from

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Sallam, S. M. A., M. E. A. Nasser, A. M. El-Waziry, I. C. S. Bueno, and A. L. Abdalla. "Evaluation of some ruminant feedstuffs using gas production technique, in vitro." Proceedings of the British Society of Animal Science 2007 (April 2007): 218. http://dx.doi.org/10.1017/s1752756200021219.

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In Egypt, animals suffer from under feeding and mal-nutrition due to the shortage of local produced feed which are not sufficient to cover the nutritional requirements of animals. The annually amount produced of agro-by¬products in Egypt are around 2.5 million ton of rice straw and one million ton of sugarcane bagasse. These wastes are usually burned causing environmental pollution. The potential use of these wastes in ruminant ration will participate in reducing the shortage of feedstuffs and subsequently increase milk and meat production in Egypt. Gas measuring technique has been widely used

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Colombatto, D., D. P. Morgavi, and F. L. Mould. "Feed enzymes for ruminants. The need for a rational screening system." Proceedings of the British Society of Animal Science 2002 (2002): 249–50. http://dx.doi.org/10.1017/s1752756200009005.

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Enzymes that degrade the plant cell wall, collectively termed cellulases and hemicellulases, have attracted considerable research efforts recently, because of their potential to be used as additives for animal feeds. Widely used in monogastric animals, mainly to remove antinutritional factors (Bedford, 2000), enzymes are increasingly used in ruminant diets to enhance feedstuff degradability, following results from feeding trials where positive responses in rumen digestion and animal production were observed (Beaucheminet al., 1995; Fenget al., 1996; Yanget al., 1999). Enzymes could also provid

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Pal, Kaushik, Amlan K. Patra, and Artabandhu Sahoo. "Evaluation of feeds from tropical origin for in vitro methane production potential and rumen fermentation in vitro." Spanish Journal of Agricultural Research 13, no. 3 (August 28, 2015): e0608. http://dx.doi.org/10.5424/sjar/2015133-7467.

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<p>Enteric methane arising due to fermentation of feeds in the rumen contributes substantially to the greenhouse gas emissions. Thus, like evaluation of chemical composition and nutritive values of feeds, methane production potential of each feed should be determined. This experiment was conducted to evaluate several feeds for methane production potential and rumen fermentation using <em>in vitro</em> gas production technique so that low methane producing feeds could be utilized to feed ruminants. Protein- and energy-rich concentrates (n=11), cereal and grass forages (n=11),

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Hills, J., I. Kyriazakis, J. V. Nolan, G. N. Hinch, and E. Thomson. "Conditioned feeding responses in sheep to flavoured foods associated with sulphur doses." Proceedings of the British Society of Animal Science 1998 (1998): 26. http://dx.doi.org/10.1017/s1752756200596781.

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The development by ruminants of strong conditioned flavour aversions (CFAs) to foods associated with the administration of LiCl (an artificial toxin) has demonstrated their potential to avoid feeds that cause negative postingestive consequences (Provenza, 1995). Weaker CFAs are formed when they ingest foods with the detrimental secondary plant compound, oxalic acid (Kyriazakis et al. 1997). Moreover, animals may exhibit conditioned preferences (CFPs) for foods supplying appropriate amounts of nutrients such as nitrogen (Provenza, 1995). In this study we tested whether a continuum exists in the

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43

Hills, J., I. Kyriazakis, J. V. Nolan, G. N. Hinch, and E. Thomson. "Conditioned feeding responses in sheep to flavoured foods associated with sulphur doses." Proceedings of the British Society of Animal Science 1998 (1998): 26. http://dx.doi.org/10.1017/s0308229600032396.

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Анотація:

The development by ruminants of strong conditioned flavour aversions (CFAs) to foods associated with the administration of LiCl (an artificial toxin) has demonstrated their potential to avoid feeds that cause negative postingestive consequences (Provenza, 1995). Weaker CFAs are formed when they ingest foods with the detrimental secondary plant compound, oxalic acid (Kyriazakis et al. 1997). Moreover, animals may exhibit conditioned preferences (CFPs) for foods supplying appropriate amounts of nutrients such as nitrogen (Provenza, 1995). In this study we tested whether a continuum exists in the

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44

Mjoun, K. "72 Evaluation of Different Gas Production Models When Applied to Ruminants Feeds." Journal of Animal Science 96, suppl_2 (April 2018): 37–38. http://dx.doi.org/10.1093/jas/sky073.070.

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Mir, P. S., T. A. McAllister, D. J. Gibb, and E. K. Okine. "Dietary oil rich in polyunsaturated fatty acids for ruminants: Post-ruminal digesta characteristics and their implications on production." Canadian Journal of Animal Science 86, no. 2 (June 1, 2006): 159–70. http://dx.doi.org/10.4141/a05-056.

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Maximizing the production of ruminants requires high intakes of feeds that are energy dense, therefore feeds that are usually high in starch. Under these conditions there can be significant passage of partially digested feed starch and fibre to the small intestine. These digesta components interact in a manner that can diminish post-ruminal digestion and absorption. However, in ruminants, the effects of digesta composition on causing physical constraints to digestion and absorption, via increased digesta viscosity have not been given adequate consideration. While elevation of digesta viscosity

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RADCHIKOV, V. F., D. M. BOGDANOVICH, G. V. BESARAB, T. L. SAPSALEVA, M. V. JUMKOVA, S. N. PILYUK, A. K. NATYROV, et al. "EFFICIENCY OF CARBAMIDE USE IN FEEDING YOUNG CATTLE." Zootechnical science of Belarus 57, no. 2 (September 25, 2022): 20–28. http://dx.doi.org/10.47612/0134-9732-2022-57-2-20-28.

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Complete feeding makes it possible to fully use the genetic potential of animals, increase productivity and reduce feed consumption. In order to balance diets in terms of protein, it is advisable to use synthetic nitrogenous substances in feeding ruminants, since this allows releasing a significant amount of high-protein plant feeds (oilcake, meal) in diets. The article contains the results of studying the effect of feeding nitrogenous substances of non-protein nature on the productivity of young cattle. It was found that the use of 10-, 20- and 25% carbamide concentrate in animal diets

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ZOIOPOULOS (Π. ΖΩΙΟΠΟΥΛΟΣ), P. "Feed Ban and BSE: the detection and identification of processed animal proteins in compound feeds." Journal of the Hellenic Veterinary Medical Society 62, no. 1 (November 10, 2017): 71. http://dx.doi.org/10.12681/jhvms.14838.

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Reference is made initially to the incidence of BSE within the EU territory and the reasons of the appearance of the disease i.e. the use of meat and bone meal in ruminant diets. In turn, the evolution of Community legislation in the sector of marketing of feeds of animal origin is described. Furthermore, the banning of feeding of mammalian protein to ruminants and the extension of prohibition to further animal proteins such as from other vertebrates and how this banning affects the feeding of the various animal species is reviewed. Finally, the importance of detecting and identifying the pres

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Colombatto, D., M. K. Bhat, F. L. Mould, and E. Owen. "Characterisation and evaluation of a commercial enzyme for improving the nutritive value of ruminant feeds." Proceedings of the British Society of Animal Science 1999 (1999): 211. http://dx.doi.org/10.1017/s1752756200003665.

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Feed enzymes for ruminants have received considerable attention recently, because of their potential to improve animal performance. However, the commercial preparations available are generally mixtures and are poorly characterised. Furthermore, their role in improving the nutritive value of ruminant feeds is not well understood. Previous work with a commercial enzyme applied at ensiling of maize stover showed a significant decrease in cell wall contents (Altaf et al., 1997). The present study evaluated the enzyme used by Altaf et al. (1997) in terms of a) main enzyme activities; b) ability to

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Brzozowska, A. M., K. Słoniewski, J. Oprządek, P. Sobiech, and Z. M. Kowalski. "Why are dairy cows not able to cope with the subacute ruminal acidosis?" Polish Journal of Veterinary Sciences 16, no. 4 (December 1, 2013): 813–21. http://dx.doi.org/10.2478/pjvs-2013-0116.

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Abstract One of the largest challenges for the dairy industry is to provide cows with a diet which is highly energetic but does not negatively affect their rumens’ functions. In highly productive dairy cows, feeding diets rich in readily fermentable carbohydrates provides energy precursors needed for maximum milk production, but simultaneously decreases ruminal pH, leading to a widespread prevalence of subacute ruminal acidosis. Maximizing milk production without triggering rumen acidosis still challenges dairy farmers, who try to prevent prolonged bouts of low ruminal pH mainly by proper nutr

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Bansi, Hadriana, Elizabeth Wina, Procula Rudlof Matitaputy, and Vincenzo Tufarelli. "Evaluation ofZapoteca tetragonaForage as Alternative Protein Source in Ruminants’ Feeding." Italian Journal of Animal Science 13, no. 1 (January 2014): 3213. http://dx.doi.org/10.4081/ijas.2014.3213.

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