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Beneftis of Selection for Litter Size in Pig Dam Lines

Published online by Cambridge University Press:  22 November 2017

A.J. Webb  and
P.R. Bampton
A.J. Webb
Affiliation:
Cotswold Pig Development Company Limited Rothwell, Lincoln LN7 6BJ
P.R. Bampton
Affiliation:
Cotswold Pig Development Company Limited Rothwell, Lincoln LN7 6BJ
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Extract

For the past 20 years specialised sire and dam lines have generally exploited existing breed differences, and there has been little within-breed selection for litter size. However, some lines may now be approaching optimum fatness. At the same time, more accurate methods are evolving for estimating genetic merit for litter size. This study therefore re-examines the benefits of selection for litter size in specialised dam lines.

Type
Pig Genetics and Physiology
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1988 , March 1988 , pp. 13
Copyright
Copyright © The British Society of Animal Production 1988

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References

Avalos, E. and Smith, C. 1987. Anim. Prod, 44 : 153–164.Google Scholar
Smith, C. 1964. Anim. Prod. 6 : 337–344.Google Scholar