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The effect of post-weaning growth on the fertility of Brahman cross heifers

Fordyce, G. and Holroyd, R.G. and James, T.A. and Reid, D.J. (1988) The effect of post-weaning growth on the fertility of Brahman cross heifers. In: Animal Production in Australia: The Australian Society of Animal Production. 17th Biennial Conference, May 1988, Sydney, New South Wales.

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Abstract

In the dry tropics of northern Australia heifers are generally weaned mid-year at about six months of age and experience two dry seasons and a wet season prior to first mating at 2 years of age when only 60% are likely to conceive (Entwistle 19830. Pre-mating liveweight (PMLW) explains much of the variation in conception rate, but year effects explain further variations (Rudder et al 1985).

Item Type:Conference or Workshop Item (Paper)
Additional Information:Reproduced with permission © Australian Society of Animal Production [ASAP].
Keywords:Fertility; Heifers; Pre-mating liveweight; Post-weaning.
Subjects:Animal culture > Breeding and breeds
Animal culture > Cattle
Deposited On:23 Jan 2006
Last Modified:13 Aug 2010 15:09

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