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OPTIMIZATION OF ENERGY AND PROTEIN LEVEL IN DIETS FOR FATTENING LAMBS

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2013
bitstream_3589.pdf (2.314Mb)
Authors
Ružić-Muslić, Dragana
Petrović, Milan P.
Petrović, Milan M.
Bijelić, Zorica
Caro Petrović, Violeta
Pantelić, Vlada
Perišić, Predrag
Conference object (Published version)
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Abstract
Sheep have the ability to transform the relatively low quality food into high quality protein of animal origin (meat, milk). To increase the efficiency of feed utilization and minimize pollution of the environment, it is necessary to better understand the needs of lambs in nutrients (primarily energy and protein) and their interaction in the organism. Optimal ratio between energy and protein in the diet of lambs optimizes microbial protein synthesis and maximum retention of degradable nitrogen in the rumen. The excess of the energy consumed in the diet, will be transformed into fat, as the degree of increase of muscles and bones is limited. Feeding lambs diets deficient in the protein, leads to the formation of large amounts of fat in the body. The decline in the efficiency of energy use, in case of the surplus of protein in the diet, is associated with energy consumption for the formation and excretion of urea. The results of our study showed that lambs crosses of Pirot Pramenka Wuer...ttemberg x Ile de France of average body weight of about 15 kg and 30 days of age and fed with a diet containing 4% beef tallow (7.71 MJ NEM and 16% CP) realized significantly (P<0.05) higher average daily gain and final body weight compared to animals that have consumed feed with 6% beef tallow and 7.94 MJ NEM. Also, animals on this treatment realized the best conversion of dry matter, protein and energy. The above nutritive treatment did not significantly affect the meat yield, the yield of meat per categories and morphological composition of the carcass side.Bearing this in mind, the aim of this paper is to present our own, and the results of other authors, related to the optimization of energy and protein levels in diets for fattening lambs.

Keywords:
lambs / protein / energy / growth / yield / meat quality
Source:
Proceedings of the 10th International Symposium Modern Trends in Livestock Production, Belgrade, Serbia, October 2-4, 2013, 2013, 333-347
Publisher:
  • Institute for Animal Husbandry, Belgrade-Zemun
Funding / projects:
  • Implementation of new biotechnological solution in breeding of cattle, sheep and goats for the purpose of obtaining biologically valuable and safe food (RS-31053)

ISBN: 978-86-82431-69-5

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_ristocar_691
URI
http://r.istocar.bg.ac.rs/handle/123456789/691
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
RIStocar
TY  - CONF
AU  - Ružić-Muslić, Dragana
AU  - Petrović, Milan P.
AU  - Petrović, Milan M.
AU  - Bijelić, Zorica
AU  - Caro Petrović, Violeta
AU  - Pantelić, Vlada
AU  - Perišić, Predrag
PY  - 2013
UR  - http://r.istocar.bg.ac.rs/handle/123456789/691
AB  - Sheep have the ability to transform the relatively low quality food into high quality protein of animal origin (meat, milk). To increase the efficiency of feed utilization and minimize pollution of the environment, it is necessary to better understand the needs of lambs in nutrients (primarily energy and protein) and their interaction in the organism. Optimal ratio between energy and protein in the diet of lambs optimizes microbial protein synthesis and maximum retention of degradable nitrogen in the rumen. The excess of the energy consumed in the diet, will be transformed into fat, as the degree of increase of muscles and bones is limited. Feeding lambs diets deficient in the protein, leads to the formation of large amounts of fat in the body. The decline in the efficiency of energy use, in case of the surplus of protein in the diet, is associated with energy consumption for the formation and excretion of urea.
The results of our study showed that lambs crosses of Pirot Pramenka Wuerttemberg x Ile de France of average body weight of about 15 kg and 30 days of age and fed with a diet containing 4% beef tallow (7.71 MJ NEM and 16% CP) realized significantly (P<0.05) higher average daily gain and final body weight compared to animals that have consumed feed with 6% beef tallow and 7.94 MJ NEM. Also, animals on this treatment realized the best conversion of dry matter, protein and energy. The above nutritive treatment did not significantly affect the meat yield, the yield of meat per categories and morphological composition of the carcass side.Bearing this in mind, the aim of this paper is to present our own, and the results of other authors, related to the optimization of energy and protein levels in diets for fattening lambs.
PB  - Institute for Animal Husbandry, Belgrade-Zemun
C3  - Proceedings of the 10th International Symposium Modern Trends in Livestock Production, Belgrade, Serbia, October 2-4, 2013
T1  - OPTIMIZATION OF ENERGY AND PROTEIN LEVEL IN DIETS FOR FATTENING LAMBS
SP  - 333
EP  - 347
UR  - https://hdl.handle.net/21.15107/rcub_ristocar_691
ER  - 
@conference{
author = "Ružić-Muslić, Dragana and Petrović, Milan P. and Petrović, Milan M. and Bijelić, Zorica and Caro Petrović, Violeta and Pantelić, Vlada and Perišić, Predrag",
year = "2013",
abstract = "Sheep have the ability to transform the relatively low quality food into high quality protein of animal origin (meat, milk). To increase the efficiency of feed utilization and minimize pollution of the environment, it is necessary to better understand the needs of lambs in nutrients (primarily energy and protein) and their interaction in the organism. Optimal ratio between energy and protein in the diet of lambs optimizes microbial protein synthesis and maximum retention of degradable nitrogen in the rumen. The excess of the energy consumed in the diet, will be transformed into fat, as the degree of increase of muscles and bones is limited. Feeding lambs diets deficient in the protein, leads to the formation of large amounts of fat in the body. The decline in the efficiency of energy use, in case of the surplus of protein in the diet, is associated with energy consumption for the formation and excretion of urea.
The results of our study showed that lambs crosses of Pirot Pramenka Wuerttemberg x Ile de France of average body weight of about 15 kg and 30 days of age and fed with a diet containing 4% beef tallow (7.71 MJ NEM and 16% CP) realized significantly (P<0.05) higher average daily gain and final body weight compared to animals that have consumed feed with 6% beef tallow and 7.94 MJ NEM. Also, animals on this treatment realized the best conversion of dry matter, protein and energy. The above nutritive treatment did not significantly affect the meat yield, the yield of meat per categories and morphological composition of the carcass side.Bearing this in mind, the aim of this paper is to present our own, and the results of other authors, related to the optimization of energy and protein levels in diets for fattening lambs.",
publisher = "Institute for Animal Husbandry, Belgrade-Zemun",
journal = "Proceedings of the 10th International Symposium Modern Trends in Livestock Production, Belgrade, Serbia, October 2-4, 2013",
title = "OPTIMIZATION OF ENERGY AND PROTEIN LEVEL IN DIETS FOR FATTENING LAMBS",
pages = "333-347",
url = "https://hdl.handle.net/21.15107/rcub_ristocar_691"
}
Ružić-Muslić, D., Petrović, M. P., Petrović, M. M., Bijelić, Z., Caro Petrović, V., Pantelić, V.,& Perišić, P.. (2013). OPTIMIZATION OF ENERGY AND PROTEIN LEVEL IN DIETS FOR FATTENING LAMBS. in Proceedings of the 10th International Symposium Modern Trends in Livestock Production, Belgrade, Serbia, October 2-4, 2013
Institute for Animal Husbandry, Belgrade-Zemun., 333-347.
https://hdl.handle.net/21.15107/rcub_ristocar_691
Ružić-Muslić D, Petrović MP, Petrović MM, Bijelić Z, Caro Petrović V, Pantelić V, Perišić P. OPTIMIZATION OF ENERGY AND PROTEIN LEVEL IN DIETS FOR FATTENING LAMBS. in Proceedings of the 10th International Symposium Modern Trends in Livestock Production, Belgrade, Serbia, October 2-4, 2013. 2013;:333-347.
https://hdl.handle.net/21.15107/rcub_ristocar_691 .
Ružić-Muslić, Dragana, Petrović, Milan P., Petrović, Milan M., Bijelić, Zorica, Caro Petrović, Violeta, Pantelić, Vlada, Perišić, Predrag, "OPTIMIZATION OF ENERGY AND PROTEIN LEVEL IN DIETS FOR FATTENING LAMBS" in Proceedings of the 10th International Symposium Modern Trends in Livestock Production, Belgrade, Serbia, October 2-4, 2013 (2013):333-347,
https://hdl.handle.net/21.15107/rcub_ristocar_691 .

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