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Protein supplementation and growth enhancer strategies in successive years to maximise growth of Brahman cross steers grazing sown grass pastures on brigalow lands

Loxton, I.D. and Holroyd, R.G. and Bligh, G.W. and James, T.A. and Mullins, T.J. and Jeffery, M.R. (1992) Protein supplementation and growth enhancer strategies in successive years to maximise growth of Brahman cross steers grazing sown grass pastures on brigalow lands. In: Animal Production in Australia: The Australian Society of Animal Production. Nineteenth Biennial Conference., 5 - 9 July, LaTrobe University, Melbourne, Victoria.

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Abstract

A strategy comprising a winter/spring protein supplement, rumen modifier and hormonal growth promotant (Compudose 400) was used in either the first year (Tl), second year (T2), or in both years (T1+2) following weaning in Brahman cross steers as a means of increasing liveweight gain up to 2.5 years of age. T2 produced the heaviest final liveweight (544.7 kg) and highest overall liveweight gain (366.7 kg), but these were not significantly different from T1 (538.6 kg; 360.9 kg), or T1+2 (528.7 kg; 349.3 kg). However, final liveweight and overall liveweight gains of T1 and T2 but not T1+2 were significantly greater than for untreated (C) steers (504.9 kg; 325.2 kg, both P < 0.05).

Regardless of the strategy imposed, liveweight and liveweight gain were enhanced, however final liveweights in each treatment were below the preferred minimum target liveweight (570-580 kg) for premium export markets. Treatment in both years gave no benefit over treatment in 1 year only.

19th Biennial Conference. 5-9 July 1992. LaTrobe University, Melbourne.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Reproduced with permission Australian Society of Animal Production [ASAP]. © Australian Society of Animal Production, ASAP.
Keywords:Supplements; Growth enhancers; Brahman cross; Liveweight; Export market.
Subjects:Animal culture > Cattle > Meat production
Animal culture > Feeds and feeding. Animal nutrition
Deposited On:23 Jan 2006
Last Modified:13 Aug 2010 15:08

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