The Effect of Level of Feed Intake on Digestibility, Nitrogen Balance and Microbial Protein Synthesis in Sheep
Author(s):
Abstract:
An experiment was conducted to determine the effects of different levels of feed intake at 70%, 85% and 100% of the voluntary feed intake on digestibility and rumen microbial protein synthesis. For this purpose, six male lambs (42±1.5 kg BW) were used in a replicated Latin square design (replicated in three periods that were 21 days each). A twenty five days period was assigned as adaptation period before start of the experiment to determine animals voluntary feed intake. Then in experimental period the potential of urinary purine derivatives as a predictive index of microbial protein supply was determined. The data were analyzed using SAS statistical software. The results showed that by decreasing the level of feed intake, the amounts of allantoin, total purine derivations excretion, microbial protein synthesis in the rumen, nitrogen balance and PDC index were decreased (P
Keywords:
Language:
Persian
Published:
Research On Animal Production, Volume:8 Issue: 15, 2017
Pages:
18 to 24
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