Dodt, R. and Thompson, P. J. M. and Coward, A. and Toleman, Mark (1984) The effect of genotype and zeranol implantation on performance of steers grazing Mitchell grass pastures in north-west Queensland. In: 15th Biennial Australian Society of Animal Production Conference: Animal Production in Australia, 13-17 Feb 1984, Armidale, Australia.
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Abstract
[Summary]:
Steers of seven different genotypes were purchased from six locations in north-west Queensland and their liveweight performance was compared while grazing Mitchell grass pastures.
Only small differences were recorded in liveweight gain between steers containing the approximate breed components of Africander 3 Shorthorn 5, Sahiwal 3 Shorthorn 5, Santa Gertrudis, Brahman 4 British 4, and Brahman 6 British 2. The Bos indicus infused steers had annual liveweight gains of 135 compared with 110kg / head / year in the comparable age Hereford group.
Zeranol implantation gave 6% advantage in liveweight gain durin the first 84 d post implantation. This response was consisten across genotype groups. Final liveweight of treated steers was 3% heavier than of untreated steers, although zeranol treatment was given 444 d before slaughter.
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| Item Type: | Conference or Workshop Item (Commonwealth Reporting Category E) (Paper) |
|---|---|
| Refereed: | Yes |
| Item Status: | Live Archive |
| Additional Information: | Published version deposited with blanket permission of the Australian Society of Animal Production. |
| Faculty / Department / School: | Historic - Faculty of Business - Department of Information Systems |
| Date Deposited: | 29 Sep 2010 02:50 |
| Last Modified: | 02 Jul 2013 23:19 |
| Uncontrolled Keywords: | effect; genotype; zeranol implantation; performance; steers; Mitchell; Queensland |
| Fields of Research : | 07 Agricultural and Veterinary Sciences > 0702 Animal Production > 070202 Animal Growth and Development |
| URI: | http://eprints.usq.edu.au/id/eprint/5333 |
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