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The induction of puberty in rapidly-grown gilts

Published online by Cambridge University Press:  22 November 2017

N. Walker  and
P. J. Burnett
N. Walker
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co. Down, BT26 6DP
P. J. Burnett
Affiliation:
Agricultural Research Institute of Northern Ireland, Hillsborough, Co. Down, BT26 6DP
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Extract

Puberty can be stimulated from about 160 days of age by the introduction of a mature boar usually in accomodation which is novel to the gilt. The interval between stimulation and response is not always predictable and therefore does not facilitate the synchronisation of gilt matings with the mating pattern in an established sow herd. It has been reported previously that a single injection of pregnant mares’ serum gonadotrophin (PMSG) pits human chorionic gonadotrophin (HCG)* will initiate puberty. The investigations reported here concern the use of these exogenous hormones as an additional or alternative stimulus to those described above.

Type
Pigs
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1984 , March 1984 , pp. 84
Copyright
Copyright © The British Society of Animal Production 1984

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