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The nutritive value of ground and pelleted barley straw. I. Ground and pelleted v. long straw for growing Ayrshire heifers

Published online by Cambridge University Press:  27 March 2009

A. W. A. Burt
A. W. A. Burt
Affiliation:
Unilever Research Laboratory, Colworth House, Sharnbrook, Bedford
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Extract

1. Twenty-four individually fed yearling Ayrshire heifers were used to compare diets consisting of (1) long barley straw and concentrates; (2) the same quantities of similar foods as in (1) but with most of the barley straw ground and pelleted with a proportion of the concentrates in a ratio of 70:30; (3) replacement of the whole of diet (1) by the pelleted 70:30 mixture to provide a similar theoretical starch-equivalent intake.

2. Live-weight gains over an experimental period of 10 weeks were: treatment 1, 0.55 lb./day; treatment 2,0.99 lb./day; treatment 3,1.23 lb./day. These differences were statistically significant and indicated a marked response in energy value due to processing the straw.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 66 , Issue 1 , February 1966 , pp. 131 - 137
Copyright
Copyright © Cambridge University Press 1966

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