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The effect of hexoestrol implants on sucking and weaned lambs fattened on farms in the north-east of Scotland

Published online by Cambridge University Press:  01 September 1959

T. R. Preston ,
Isoline Greenhalgh  and
N. A. MacLeod
T. R. Preston
Affiliation:
The Rowett Research Institute, Bucksburn, Aberdeenshire
Isoline Greenhalgh
Affiliation:
The Rowett Research Institute, Bucksburn, Aberdeenshire
N. A. MacLeod
Affiliation:
The Rowett Research Institute, Bucksburn, Aberdeenshire
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Extract

1. 768 lambs on fourteen farms in the north-east of Scotland were divided into a control group and groups receiving two 5 mg., three 5 mg., two 7·5 mg., and one 15 mg. pellet of hexoestrol.

2. On every farm the mean rate of live-weight gain of the treated lambs was greater than that of the controls.

3. There appeared to be very little difference between implantations of two 5 mg., three 5 mg. and two 7·5 mg. pellets of hexoestrol but on four farms where a direct comparison was made one 15 mg. pellet was slightly inferior to three 5 mg. pellets.

Type
Research Article
Information
Animal Production , Volume 1 , Issue 2 , September 1959 , pp. 135 - 138
Copyright
Copyright © British Society of Animal Science 1959

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References

REFERENCES

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