The synchronisation of oestrus in sheep. 5. The interval between prostaglandin injections in the double injection regime
The reproductive efficiencies of ewes treated with two injections of prostaglandin (cloprostenol) administered at intervals of either 9, 10 or 11 days, were compared. The conception rate of ewes in these treatment groups was 11,1%, 40,0% and 70,0%, respectively and…