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The effect of body condition of gilts at first mating on long-term sow production

Published online by Cambridge University Press:  05 November 2021

C M Challinor ,
G Dams ,
B Edwards  and
W H Close
C M Challinor
Affiliation:
JSR Healthbred Ltd, Driffield Y025 9ED
G Dams
Affiliation:
JSR Healthbred Ltd, Driffield Y025 9ED
B Edwards
Affiliation:
JSR Healthbred Ltd, Driffield Y025 9ED
W H Close
Affiliation:
Close Consultancy, Wokingham RG41 2RS
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Extract

The body condition of the gilt at first mating may have a significant effect upon its lifetime reproductive performance. (Gueblez et al, 1985). Gaughan et al (1995), have recently demonstrated that gilts with low backfat thickness (9- 13mm) had fewer litters and weaned fewer piglets than gilts with medium (14-16mm) and high (>17mm) levels. The extent to which variations in both body weight and backfat thickness of gilts at first mating influence long-term reproductive efficiency has been further investigated in a commercial trial at the JSR Commercial Development Unit, Catwick. The overall objective of the trial was to assess the long-term performance of modern pig genotypes under commercial conditions.

Type
Pig Nutrition
Information
Proceedings of the British Society of Animal Science , Volume 1996 , March 1996 , pp. 144
Copyright
Copyright © The British Society of Animal Science 1996

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References

Gueblez, R and Geslin, M (1985). J. Rech. Pore, France. 17,113–120.Google Scholar
Gaughan, J B; Cameron, R D A; Dryden, G McL and Josey, M J (1995). Animal Science 61. 561–564.10.1017/S1357729800014144CrossRefGoogle Scholar