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The nutrition of the early-weaned calf. I. The effect on nitrogen retention of diets containing different levels of groundnut meal

Published online by Cambridge University Press:  01 June 1961

F. G. Whitelaw ,
T. R. Preston  and
R. D. Ndumbe
F. G. Whitelaw
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
T. R. Preston
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
R. D. Ndumbe
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
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Extract

1. Nitrogen balance studies were made on eight early weaned calves given diets varying in crude protein content from 11·6% to 22·6% in dry matter.

2. Nitrogen retention increased significantly as the level of crude protein increased to 19·20%; there was no further increase in nitrogen retention when the level of protein was increased to 22·6%.

3. Dry matter digestibility and apparent digestibility of dietary nitrogen rose progressively as the level of crude protein increased.

4. The nitrogen retention of calves fed diets adequate in protein was calculated to be 2·88 g. per 100 g. gain in body weight.

Type
Research Article
Information
Animal Production , Volume 3 , Issue 2 , June 1961 , pp. 121 - 126
Copyright
Copyright © British Society of Animal Science 1961

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References

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