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Ovum recovery from ewes during the peak breeding season and transition to anoestrus

Published online by Cambridge University Press:  27 February 2018

L.M. Mitchell ,
M.J.A. Mylne ,
J. Hunton ,
K. Matthews ,
T.G. McEvoy ,
J.J. Robinson  and
W.S. Dingwall
L.M. Mitchell
Affiliation:
Scottish Agricultural College, Craibstone Estate, Bucksburn, Aberdeen, AB21 9YA, UK
M.J.A. Mylne
Affiliation:
Britbreed Ltd, Airfield Farm, Cousland, Dalkeith, Midlothian, EH22 2PE, UK
J. Hunton
Affiliation:
Britbreed Ltd, Airfield Farm, Cousland, Dalkeith, Midlothian, EH22 2PE, UK
K. Matthews
Affiliation:
Britbreed Ltd, Airfield Farm, Cousland, Dalkeith, Midlothian, EH22 2PE, UK
T.G. McEvoy
Affiliation:
Scottish Agricultural College, Craibstone Estate, Bucksburn, Aberdeen, AB21 9YA, UK
J.J. Robinson
Affiliation:
Scottish Agricultural College, Craibstone Estate, Bucksburn, Aberdeen, AB21 9YA, UK
W.S. Dingwall
Affiliation:
Scottish Agricultural College, Craibstone Estate, Bucksburn, Aberdeen, AB21 9YA, UK
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Extract

Sheep are seasonally-polyoestrous short-day breeders. Although the domesticated breeds have longer breeding seasons than the feral breeds, their maximum ovulation rates are only achieved over a relatively short period. The effect of these seasonal shifts in ovarian response on the success of ovum recovery for genetic improvement or breed conservation is unknown. The aim of the present study was to assess the efficiency of ovum recovery procedures for genetic conservation outwith the normal breeding season.

Type
Posters
Information
BSAP Occasional Publication , Volume 30: Farm Animal Genetic Resources , 2004 , pp. 327 - 329
Copyright
Copyright © British Society of Animal Science 2004

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