Alfalfa versus Poultry Excreta as Nitrogen Supplements for Lambs

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Abstract
Dehydrated excreta from caged layers (DPE) was compared with alfalfa as a nitrogen supplement for lambs at both 8 and 12% dietary crude protein levels. All diets contained a calculated 65% TDN content, and the supplements contributed 36 to 40% (8% crude protein diets) or 60 to 65% (12% crude protein diets) of the total dietary nitrogen. Lambs digested dietary nutrients from the two sources of nitrogen equally well, except that ash was 43% less digestible in DPE supplemented diets. Lambs fed the 12% crude protein diets consumed 22% more feed (P.10). Cost of gain for lambs fed the 12% CP diet supplemented with DPE was 17% lower than for lambs fed the 12% CP diet supplemented with alfalfa. Copyright © 1977. American Society of Animal Science . Copyright 1977 by American Society of Animal Science.

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