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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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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