The Minimum Protein Requirements of Cattle: Report of Committee on Animal Nutrition (Classic Reprint) - Hardcover

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Excerpt from The Minimum Protein Requirements of Cattle: Report of Committee on Animal Nutrition

The nitrogen output of 2 young growing heifers subsisting upon a low nitrogen ration was determined by Hart, Humphrey and Morrison(13). The calves weighed from 300 to 400 pounds and the ration used con sisted of wheat straw, corn starch, cane sugar, calcium phosphate and salt. The average daily excretions of urinary nitrogen were equivalent to gm. And gm. Per kilogram of weight, or and part of protein per 1000 of weight. In a later somewhat similar experiment upon a younger calf, Steenbock, Nelson and Hart(14) obtained a mini mum excretion of urinary nitrogen of gm. Per kilogram of weight.

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