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The synergistic effects of ractopamine and porcine somatotropin on finisher gilt performance

van Barneveld, R.J., Hewitt, R.J.E., Cook, A., Rikard-Bell, C.V., Pluske, J.R., Mullan, B.P., Edwards, A.C., Gannon, N.J., Henman, D.J. and Dunshea, F.R. (2009) The synergistic effects of ractopamine and porcine somatotropin on finisher gilt performance. In: Manipulating Pig Production XII. Proceedings of the 12th Australasian Pig Science Association (APSA) Biennial Conference, 22 - 25 November, Werribee, Australia p. 50.

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Abstract

Ractopamine hydrochloride (Paylean®, RAC, Elanco Animal Health Pty Ltd, Macquarie Park, NSW) is an approved ingredient for pigs used to increase lean tissue growth and improve production efficiency (Dunshea et al., 2005). Porcine somatotropin (Reporcin®, pST, OzBioPharm Pty Ltd, Knoxfield, VIC) is a protein naturally produced by the pig that induces the redirection of nutrients towards increased muscle growth and decreased fat growth (Dunshea et al., 2005). Recent research (Rikard-Bell et al., 2009) has shown that combining RAC and pST in the last two weeks of production improves feed efficiency. The aim of this experiment was to evaluate changes in production efficiency obtained by combining RAC and pST in the last four weeks of growth.

Publication Type: Conference Paper
Murdoch Affiliation: School of Veterinary and Biomedical Sciences
Publisher: Australasian Pig Science Association
Copyright: © 2009 Australasian Pig Science Association (Inc)
URI: http://researchrepository.murdoch.edu.au/id/eprint/28625
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