J. Anim Sci.
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J. Anim Sci. 1974. 38:378-382.
© 1974 American Society of Animal Science
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Energy Cost of Protein and Fat Deposition in Sheep

P. V. Rattray1, W. N. Garrett, N. Hinman and N. E. East

University of California, Davis2 95616

Abstract

Data from comparative slaughter experiments involving 396 growing and fattening young sheep and 26 mature sheep on blended pelleted roughage-concentrate diets or Sudan hay were used to estimate the energy cost of protein and fat deposition. Protein synthesis required 45.6 ± 8.69 kcal metabolizable energy (ME) per gram or 8.14 ± 1.55 kcal ME per kilocalorie of protein deposited. Fat synthesis required 10.2 ± 3.58 kcal ME per gram or 1.10 ± 0.38 kcal ME per kilocalorie of fat deposited.

Footnotes

1 Present address: Ruakura Animal Research Station, Hamilton, New Zealand.

2 Department of Animal Science.






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