Abstract
Postpartum anovulatory anoestrus is a mjor form of infertility among cows in dairy herds inNew Zealand. The currently recommended treatment involves a 5-day prim-ing with progersterone (P4) released from a CIDR TM device (InterAg, NZ), with a 10 mg gelatin of oestradiol benzoate (ODB) and 1 g lactose capsule (CIDR TM; InterAg, NZ) placed in the grooved surface of the device preceding device insertion, and an injection of ODB (CIDIROLTM ; InterAg, NZ) given intramuscularly at 24 to 48h following device removal.
Proceedings of the New Zealand Society of Animal Production, Volume 57, , 241, 1997
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