Czech J. Anim. Sci., 2017, 62(6):249-258 | DOI: 10.17221/99/2016-CJAS

Effects of immunocastration on growth performance, body composition, meat quality, and boar taintOriginal Paper

Roman Stupka*, Jaroslav Čítek, Karel Vehovský, Kateřina Zadinová, Monika Okrouhlá, Daniela Urbanová, Luděk Stádník
Department of Animal Husbandry, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic

The study objective was to evaluate the effect of immunocastration in the period between the first and second vaccinations and subsequently between the second vaccination and slaughter on growth performance, carcass composition, meat quality, and boar taint, and compare results in immunocastrated males (IC), uncastrated boars (UCM), surgically castrated barrows (CM), and gilts (FE). The study included 70 pigs of the Duroc × (Large White × Landrace) crossbreed. Upon the overall assessment of the selected fattening indicators (average daily gain, feed intake), significant differences between CM and the other groups were demonstrated. Meanwhile, no significant differences were found between the IC, UCM, and FE groups. In this test, immunocastrates showed no negative effect from the second vaccination in relation to those carcass value indicators evaluated in comparison with UCM and FE. CM showed adversely lower carcass value parameters compared the other groups. No significant differences in pH, meat colour, drip loss, shear force, and intramuscular fat were found. The values of these indicators obtained for IC converged with those measured in UCM and FE. It was demonstrated that immunocastration prevented the occurrence of undesired boar taint. Androstenone decreased by 77% and skatole by 71% in IC as compared to UCM.

Keywords: pig; castration; carcass value; androstenone; skatole

Published: June 30, 2017  Show citation

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Stupka R, Čítek J, Vehovský K, Zadinová K, Okrouhlá M, Urbanová D, Stádník L. Effects of immunocastration on growth performance, body composition, meat quality, and boar taint. Czech J. Anim. Sci. 2017;62(6):249-258. doi: 10.17221/99/2016-CJAS.
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