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The influence of plane of feeding in early life on the fertility of gilts

Published online by Cambridge University Press:  02 September 2010

G. A. Lodge  and
R. M. MacPherson
G. A. Lodge
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
R. M. MacPherson
Affiliation:
Rowett Research Institute, Bucksburn, Aberdeen
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Summary

The results of a previous experiment suggested that a scale of feeding at about 60% of full-feed level from weaning onwards could result in a high incidence of infertility in gilts, but numbers were insufficient to confirm this. The present trial was carried out, therefore, with 18 Large White gilts per treatment fed to scales rising from either 1·4 lb. meal per day at 36 lb. live-weight to 5·0 lb. at 200 lb. live-weight, or from 1·9 lb. to 6·5 lb. over the same weight range. Average growth rate of the low-plane gilts was 76·5% of that of the medium-plane group but none of the low-plane gilts failed to conceive.

Information

Type
Research Article
Information
Animal Production , Volume 5 , Issue 1 , February 1963 , pp. 43 - 46
Copyright
Copyright © British Society of Animal Science 1963

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References

REFERENCES

Lodge, G. A. & MacPherson, R. M., 1961. Level of feeding during early life and the sub sequent reproductive performance of sows. Anim. Prod., 3: 19.Google Scholar
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Self, H. L., Grummer, R. H. & Casida, L. E., 1955. The effects of various sequences of full and limited feeding on the reproductive phenomena in Chester White and Poland China gilts. J. Anim. Sci., 14: 573.CrossRefGoogle Scholar
Smith, D. M., 1961. The nutritional requirements of swine. Proc. N.Z. Soc. Anim. Prod., 21: 109.Google Scholar