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A report on feeding additional protein to fattening steers implanted with hexoestrol

Published online by Cambridge University Press:  01 September 1959

T. L. Dodsworth
T. L. Dodsworth
Affiliation:
North of Scotland College of Agriculture
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Extract

Twenty-four Hereford × Angus × Shorthorn steers, which were 18 months old, were divided at random into four groups of six. There were four treatments, two involving the feeding of supplementary protein and two involving implantation of the steers with hexoestrol, thus:

(1) basic ration, no hexoestrol;

(2) supplementary protein, no hexoestrol;

(3) basic ration, hexoestrol implant;

(4) supplementary protein, hexoestrol implant.

While the hexoestrol implantation produced a significantly higher growth rate, the addition of protein, above the level in the basic ration, had no effect.

Type
Research Article
Information
Animal Production , Volume 1 , Issue 2 , September 1959 , pp. 175 - 178
Copyright
Copyright © British Society of Animal Science 1959

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References

REFERENCES

Dodsworth, T. L., 1957. The use of hexoestrol in beef production. Agric. Rev. (Lond.), 2 (11): 23.Google Scholar
Preston, T. R., & Gee, I., 1957. Effect of hexoestrol on carcass composition and efficiency of food utilization in fattening lambs. Nature (Loud.), 179: 247.Google Scholar
Smith, R. G. C., 1957. Bull. N. Scot. Coll. Agric, No. 2.Google Scholar
Smith, R. G. C., 1958. Hexoestrol-grazing cattle. Agric. Rev. (Loud.), 3 (9): 29.Google Scholar