The Utilization of Abomasal Supplements of Proteins and Amino Acids by Sheep With Special Reference to Wool. Growth

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Abstract
Proteins of different amino acid composition (Promine-D, wheat gluten, and zein) were given as abomasal infusions to sheep and effects on wool growth rate, body weight gain, and nitrogen retention were compared with those of casein. These results were considered together with earlier data obtained for whole egg protein, egg albumen, maize gluten, and gelatin. The nutritive value of bloodmeal supplements was also studied. In addition the effects on wool growth of adding lysine and tryptophan to zein, and of adding leucine to casein, were examined.

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