The effect of progesterone supplementation post mating and shearing of ewes in early pregnancy on the reproductive performance of ewes and birthweight of lambs.

Abstract

AIM To determine whether short-term progesterone supplementation post mating or shearing of ewes in early pregnancy affected either the proportion of ewes that lambed or that had multiple lambs, or the birthweight of lambs. METHODS Romney ewes (n=457) were synchronised in oestrus using controlled internal drug-releasing (CIDR) devices containing… (More)

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@article{Kenyon2005TheEO, title={The effect of progesterone supplementation post mating and shearing of ewes in early pregnancy on the reproductive performance of ewes and birthweight of lambs.}, author={P. R. Kenyon and Stephen Todd Morris and Donna Marie West}, journal={New Zealand veterinary journal}, year={2005}, volume={53 5}, pages={321-5} }