Abstract
Enzootic pneumonia caused by Mycoplasma hyopneumoniae is a severe disease of pigs, causing significant economic losses to the pig industry worldwide, including the tropical and subtropical regions. In order to obtain the baseline prevalence of M. hyopneumoniae in pigs from intensive farms in southern China, double-sandwich enzyme-linked immunosorbent assay (ELISA) was used to detect M. hyoneumoniae antibodies in 460 pig serum samples collected from 12 administrative cities in China’s southern Guangdong province. According to the proportions of the infected animals, among the 12 intensive farms, only two of them showed no infection of M. hyoneumoniae and the seroprevalence ranged from 0% to 90%, with an averaged prevalence of 45.7%. The highest prevalence was found in breeding boars (68.8%), followed by sows (54.5%). These data showed that the infection of pigs with M. hyopneumoniae is severe, and boars might be more important carriers and transfers of M. hyoneumoniae than sows. Integrated strategies and measures should be taken to control the infection of pigs with M. hyopneumoniae in southern China.
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Acknowledgements
Project support was provided in part by the Program for Changjiang Scholars and Innovative Research Team in University (Grant No. IRT0723) and the State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences to XQZ, and the China Postdoctoral Science Foundation (Grant No. 20090460064) to MJX.
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Y. He and M. J. Xu contributed equally to this work.
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He, Y., Xu, M.J., Zhou, D.H. et al. Seroprevalence of Mycoplasma hyopneumoniae in pigs in subtropical southern China. Trop Anim Health Prod 43, 695–698 (2011). https://doi.org/10.1007/s11250-010-9755-3
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DOI: https://doi.org/10.1007/s11250-010-9755-3