A cross-sectional study of risk factors associated with pulmonary lesions in pigs at slaughter

The Veterinary Journal
Tom MeynsDominiek Maes

Abstract

A cross-sectional study was conducted to identify herd-level factors that may influence the prevalence and severity of macroscopically visible pulmonary lesions in pigs at slaughter. Data were collected following abattoir inspection of 50 randomly-selected batches of 6335 pigs and by interviewing the producers. Macroscopic lung lesions were identified and scored semi-quantitatively in ≥ 80 pigs/herd and the prevalence of pleuritis and pneumonia was 20.76% and 23.85%, respectively. Following multivariable analysis, the seroprevalence of Actinobacillus pleuropneumoniae (P < 0.001) and Mycoplasma hyopneumoniae (P = 0.018) and the number of pigs/nursery pen (P = 0.023) were positively associated, whereas average weaning age was negatively associated (P = 0.001) with the pleuritis score. Risk factors associated with a higher prevalence of pneumonia were the presence of pleuritis (P = 0.001) and the frequent purchasing of pigs (P = 0.020). The findings of this study indicate that the prevalence of pleuritis and pneumonia remains high in Belgium and management factors are central to disease control.

References

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Citations

Jan 3, 2012·BMC Veterinary Research·Hannah R HoltBarbara Wieland
Dec 3, 2011·Research in Veterinary Science·C FabletN Rose
Sep 4, 2012·BMC Veterinary Research·Manuel J Sanchez-VazquezFraser I Lewis
Jan 18, 2017·Veterinary Research·Annelies MichielsDominiek Maes
Jul 17, 2018·The Veterinary Record·Frédéric A C J VangroenwegheDominiek G D Maes
May 12, 2018·Asian-Australasian Journal of Animal Sciences·Pedro SánchezJuan Seva
Dec 1, 2019·Journal of Animal Science·Dominiek G D MaesIlias Kyriazakis
Aug 31, 2017·Porcine Health Management·Minna Haimi-HakalaMari Heinonen
Sep 5, 2020·Porcine Health Management·Outi HälliMari Heinonen
Nov 28, 2020·Preventive Veterinary Medicine·Tamsin S BarnesPatrick J Blackall
Jan 23, 2021·Animals : an Open Access Journal From MDPI·Silvio De LucaSergio Ghidini
Dec 16, 2020·Irish Veterinary Journal·Maria Rodrigues da CostaFinola Catherine Leonard
Jan 24, 2021·Preventive Veterinary Medicine·Nikola ČobanovićNedjeljko Karabasil
Dec 11, 2020·Porcine Health Management·Julia Adriana Calderón DíazEdgar García Manzanilla
Jul 7, 2018·Journal of Veterinary Research·Ewelina Czyżewska-DorsMałgorzata Pomorska-Mól
Jun 3, 2021·Animals : an Open Access Journal From MDPI·Johannes KlingerAnnemarie Käsbohrer

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