Impact of various housing conditions on the occurrence of pathological lesions in slaughtered pigs

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Nikola Čobanović
Urška Jamnikar-Ciglenečki
Andrej Kirbiš
Manja Križman
Marina Štukelj
Nedjeljko Karabasil

Abstract

Introduction. This study assessed the effect of farming system, feeding system, floor type, housing density and gender on the occurrence of pathological lesions in slaughtered pigs.
Materials and Methods. The study was conducted on 400 pigs from four farms with different housing conditions. The plucks of 100 slaughtered pigs from each farm were examined for pneumonia, pleurisy, pericarditis and milk spots.
Results and Conclusions. Pigs housed in a large-scale indoor farm had the lowest incidence of pneumonia. The highest occurrence of pneumonia was recorded in pigs fattened in a small-scale farm in pens with outdoor access. Pigs reared on farms in pens with outdoor access had the highest incidence of milk spots. Pigs from farms using pellet feeding systems had higher incidences of pneumonia, pleurisy and milk spots than those from a farm using a liquid feeding system. A rearing system comprising concrete floors without bedding resulted in the highest incidence of pneumonia in pigs. Pigs from a farm using a concrete floor with bedding had the highest occurrence of milk spots. The lowest incidence of milk spots was recorded in pigs from farms using fully-slatted floors. Compared to low housing density, high housing density resulted in higher incidences of pneumonia, pericarditis and milk spots in pigs. A higher prevalence of lung lesions was detected in barrows than in gilts. This study showed the most significant risk factors for the occurrence of pathological lesions in slaughtered pigs are pens with outdoor access, pellet feeding system, concrete floor, high housing density and gender.


 

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Čobanović, N., Jamnikar-Ciglenečki, U., Kirbiš, A., Križman, M., Štukelj, M., & Karabasil, N. (2019). Impact of various housing conditions on the occurrence of pathological lesions in slaughtered pigs. Veterinarski Glasnik, 73(1), 17-29. https://doi.org/10.2298/VETGL190318010C
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