Abstract
The objectives of this study were to monitor the physiological events associated with decreasing liveweight in Bos indicus heifers and to determine the characteristics which best predicted the onset of nutritional anoestrus. Eleven post-pubertal Brahman heifers received a diet resulting in a liveweight loss of 0.7 kg/day. Changes in ovarian morphology were monitored using daily transrectal ultrasonography. Liveweight was recorded twice weekly. Heifers became anoestrus after 98
Proceedings of the New Zealand Society of Animal Production, Volume 56, , 378-380, 1996
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