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Open AccessFeature PaperArticle

Penile Injuries in Immunocastrated and Entire Male Pigs of One Fattening Farm

1
Clinic for Swine, Ludwig-Maximilians-University Munich, Sonnenstrasse 16, 85764 Oberschleissheim, Germany
2
Institute of Animal Science, Hohenheim University, Schloss Hohenheim 1, 70599 Stuttgart, Germany
*
Author to whom correspondence should be addressed.
Animals 2017, 7(9), 71; https://doi.org/10.3390/ani7090071
Received: 14 August 2017 / Revised: 6 September 2017 / Accepted: 9 September 2017 / Published: 13 September 2017
Penile injuries in boars have been discussed as a relevant welfare problem in pork production with entire males (EM). The incidence of penile injuries with immunocastrated boars has not been described so far. Thus, it was the aim of this study to systematically compare frequency and severity of penile injuries in EM and IC. Incidence and size of penile injuries (wounds, scars, hematomas) were evaluated in 192 IC and 215 EM from one farm after slaughter (120 kg live weight; four batches (BA) in at least weekly intervals over five weeks). 75.8% EM and 48.4% IC showed injuries at the pars libra of the penis. Scars were observed in 71.2% EM and 44.8% IC. Scars/animal were significantly influenced by treatment (IC vs. EM), B and treatment x B and increased with age in EM (BA1: 2.61 ± 3.05; BA4: 3.59 ± 3.47), but not in IC (BA1: 2.00 ± 3.02; BA4: 1.22 ± 1.91). Wounds were obvious in 17.2% EM and 8.3% IC. Wounds/animal were only influenced significantly by treatment and were lower in IC than in EM. Thus, it is concluded that immunocastration reduces the frequency and severity of penile injuries in IC when compared to EM of same age and weight. View Full-Text
Keywords: immunocastrates (IC); Improvac®; entire male (EM); penile injuries immunocastrates (IC); Improvac®; entire male (EM); penile injuries
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Reiter, S.; Zöls, S.; Ritzmann, M.; Stefanski, V.; Weiler, U. Penile Injuries in Immunocastrated and Entire Male Pigs of One Fattening Farm. Animals 2017, 7, 71.

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