The objective of this trial was to evaluate the reproductive performance of lactating dairy cows following oestrous synchronisation with a combination of progesterone, oestradiol and prostaglandin. Cycling cows in 11 herds were randomly divided, with restriction to age, calving date, condition score and breed, into synchronised (n=1332) groups. Those in the synchronised group were each treated with an EAZI-BREED

ZZ, Xu, JR Burton, LJ Burton, and KL Macmillan

Proceedings of the New Zealand Society of Animal Production, Volume 55, , 242-244, 1995
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