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Variability in Voluntary Intake of a Molasses-based Supplement by Cows and Calves

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Dixon, R.M. and Smith, D.R. (2000) Variability in Voluntary Intake of a Molasses-based Supplement by Cows and Calves. In: Animal Production for a Consuming World. AAAP-ASAP Conference, 2nd - 7th July, Sydney, Australia.

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Abstract

Supplements are often fed to ruminants in extensive grazing situations to provide minerals and nitrogen likely to be deficient in pasture. However a large proportion of animals offered such supplements may not consume any supplement, while among consumer animals the variability in supplement intake may be high (Wheeler et al., 1980; Dixon et al., 1998). An experiment examined the distribution of intake of a molasses-based supplement containing phosphorus and urea in a breeder herd.

A herd of mixed-age breeder cows, calves, heifers and bulls were offered ad libitum a molasses-based supplement containing 13% urea and 17% phosphoric acid. After 2 weeks lithium-labelled supplement (2 mg Li/kg LW) was offered on one day to measure individual intakes of supplement. The molasses was offered in three 560 mm diameter feeders placed together near the water point.

Item Type:Conference or Workshop Item (UNSPECIFIED)
Additional Information:Reproduced with permission Australian Society of Animal Production [ASAP]. © AAAP 2000. Asian-Australasian Association of Animal Production and Australian Society of Animal Production. Animal production for a consuming world : proceedings of 9th Congress of the Asian-Australasian Association of Animal Production Societies [AAAP] and 23rd Biennial Conference of the Australian Society of Animal Production [ASAP] and 17th Annual Symposium of the University of Sydney, Dairy Research Foundation, [DRF]. 2-7 July 2000, Sydney, Australia.
Keywords:Liveweight; Cows; Calves; Supplements.
Subjects:Animal culture > Feeds and feeding. Animal nutrition
Animal culture > Cattle
Live Archive:15 Mar 2005
Last Modified:03 Sep 2021 16:47

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