Combining a ractopamine feeding regime and porcine somatotropin has additive effects on finisher pig performance
Document Type
Conference Proceeding
Publication Date
2009
Conference Title
Twelfth Biennial Conference of the Australasian Pig Science Association
Place of Publication
Cairns
ISBN
978-0-9806880-0-9
ISSN
1324 9177
Keywords
pigs, swine
Disciplines
Animal Sciences | Meat Science
Abstract
Treatment of finisher pigs with dietary ractopamine (RAC; Paylean®, Elanco Animal Health, NSW) improves daily gain and feed efficiency commensurate with increased protein deposition in finishing pigs (Dunshea et al., 1993). However, effects of RAC on P2 fat deposition are equivocal. Dunshea et al. (1993) found no change in gilts and barrows, whilst a trend towards reduced P2 depth was observed in boars fed dietary RAC. Exogenous porcine somatotropin (pST; Reporcin®, OzBioPharm Pty Ltd, Victoria) improves daily gain and feed efficiency and increases the ratio of lean to fat in carcases of boars, gilts and barrows (Campbell et al., 1989). As both technologies are applied at the end of the finishing phase, it is of interest to determine whether a combination of RAC and pST has additive effects on pig performance.
Recommended Citation
Rikard-Bell, C V,
Pluske, J R,
van Barneveld, R J,
Mullan, B P,
Edwards, A C,
Gannon, N J,
Henman, D J,
and
Dunshea, F R.
(2009), Combining a ractopamine feeding regime and porcine somatotropin has additive effects on finisher pig performance, Twelfth Biennial Conference of the Australasian Pig Science Association, Cairns, pp.70-70.
https://library.dpird.wa.gov.au/conf_papers/139
