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Abstract

Two experiments were conducted to determine oestrous response and pregnancy rate in beef cattle given a controlled internal drug release (CIDR-B) device plus PGF at CIDR-B removal, and estradiol or GnRH. In Experiment I, crossbred beef heifers received a CIDR-B device and 1 mg estradiol benzoate...

Author(s)
Martínez, M. F.; Kastelic, J. P.; Adams, G. P.; Janzen, E.; McCartney, D. H.; Mapletoft, R. J.
Publisher
Canadian Veterinary Medical Association, Ottawa, Canada
Citation
Canadian Veterinary Journal, 2000, 41, 10, pp 786-790