Purbowati, Endang (2021) The Effect of Dietary Protein Intake on Body Protein Growth in Thin Tailed Lambs. FPP UNDIP.

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Abstract

A study was carried out to examine the effect of dietary protein intake on the growth of body protein on thin tailed lambs fed diet with different protein level. The study used 12 lambs of 3-4 months old with 15.02 ± 2.01 kg (CV = 0.86%) of body weight. The lambs were reared intensively in individual pen and fed a complete feed containing 14, 16 and 18% crude protein (CP), 60% total digestible nutrients (TDN), for 9 weeks. Protein content of the lambs’ body was measured by urea space methods. The results showed that the body protein growth rate increased with dietary protein intake, up to 162 g/d protein intake. However, when the dietary protein
intake was higher than that point, the body protein growth rate decreased. It is concluded that best diet to obtain the highest body protein growth rate should contain 15.4% protein.
Keywords: body protein, crude protein, lambs

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