Seroprevalence of Mycoplasma hyopneumoniae in pigs in subtropical southern China

He, Yuan; Xu, Min; Zhou, Dong‐Hui; Zou, Feng-Cai; Lin, Rui-Qing; Yin, Chao; He, Xi; Liang, Ruiwei; Liang, Meidan; Zhu, Xing‐Quan

doi:10.1007/s11250-010-9755-3

Cited by 15 publications

(9 citation statements)

References 11 publications

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“…The present investigation revealed an overall 58.86% seroprevalence of M. hyopneumoniae infection in Tibetan pigs in Tibet, China, which is higher than the results of previous reports (Xing et al, 2009;Yao et al, 2010;He et al, 2011) in China of domestic pigs in low-altitude areas, and the average percentage of positive piglets is higher than in Europe (10.7%) (Villarreal et al, 2010). There are two main routes for M. hyopneumoniae to be introduced into a herd: direct transmission and airborne transmission (Batista et al, 2004).…”

Section: Discussioncontrasting

confidence: 84%

“…Tel: +86-931-8342813. (Choi et al, 2003;Fano et al, 2005;Vengust et al, 2006;Halli et al, 2012) have been reported in many areas of the world (Choi et al, 2003;Fano et al, 2005;Vengust et al, 2006;Halli et al, 2012) including as well as many regions in China (Xing et al, 2009;Yao et al, 2010;He et al, 2011). The purpose of this survey was to investigate the seroprevalence of M. hyopneumoniae in Tibetan pigs in Tibet, China, which would provide base-line data for the prevention and control of M. hyopneumoniae infection in Tibetan pigs.…”

Section: Introductionmentioning

confidence: 99%

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First report of Mycoplasma hyopneumoniae seroprevalence in Tibetan pigs in Tibet, China

Zhang¹,

Hui²,

Chun³

et al. 2013

Afr. J. Microbiol. Res.

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Section: Discussioncontrasting

confidence: 84%

Section: Introductionmentioning

confidence: 99%

First report of Mycoplasma hyopneumoniae seroprevalence in Tibetan pigs in Tibet, China

Zhang¹,

Hui²,

Chun³

et al. 2013

Afr. J. Microbiol. Res.

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“…In Thailand, Damrongwatanapokin et al (2004) found 58% blood samples positive in ELISA in 22 of 23 pig breeding farms and 74.4% in 80 of 84 fattening farms. In China, among 12 intensive farms, only two of them showed no infection of M. hyoneumoniae and the seroprevalence ranged from 0% to 90%, with an average prevalence of 45.7% (He et al 2011). In Sweden, Mattsson et al (1995) detected antibodies against M. hyopneumoniae in 90% of pigs by ELISA.…”

Section: Discussionmentioning

confidence: 99%

Detection of Mycoplasma hyopneumoniae by ELISA and nested PCR from blood samples and nasal swabs from pigs in Slovakia

et al. 2012

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The aim of our study was to map the situation of swine mycoplasmoses on four farms in the region of Eastern Slovakia. The primary agent of Enzootic pneumonia of swine is Mycoplasma hyopneumoniae. After reviewing the health status of conventional herds and evaluation of clinical symptoms, paired samples of nasal swabs and venous blood samples were collected from 38 pigs with clinical signs of respiratory disease. Nasal swab samples were tested by nested PCR, while blood samples were used to detect antibodies against M. hyopneumoniae by blocking ELISA. The presence of M. hyopneumoniae was confirmed by nested PCR in four pigs (10.5%) and by blocking ELISA in 16 pigs (42.1%) of all four farms. This work presents for the first time comparison of different methods to diagnose M. hyopneumoniae infection on pig farms in Eastern Slovakia.

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“…Enzootic pneumonia (EP) is one of the most important sources of disease-associated losses in swine production [ 1 – 3 ]. This lung disease is caused by Mycoplasma hyopneumoniae (Mhyop).…”

Section: Introductionmentioning

confidence: 99%

Investigating the Role of Free-Ranging Wild Boar (Sus scrofa) in the Re-Emergence of Enzootic Pneumonia in Domestic Pig Herds: A Pathological, Prevalence and Risk-Factor Study

Linhares

Belloy²,

Origgi

et al. 2015

PLoS ONE

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Enzootic pneumonia (EP) caused by Mycoplasma hyopneumoniae has a significant economic impact on domestic pig production. A control program carried out from 1999 to 2003 successfully reduced disease occurrence in domestic pigs in Switzerland, but recurrent outbreaks suggested a potential role of free-ranging wild boar (Sus scrofa) as a source of re-infection. Since little is known on the epidemiology of EP in wild boar populations, our aims were: (1) to estimate the prevalence of M. hyopneumoniae infections in wild boar in Switzerland; (2) to identify risk factors for infection in wild boar; and (3) to assess whether infection in wild boar is associated with the same gross and microscopic lesions typical of EP in domestic pigs. Nasal swabs, bronchial swabs and lung samples were collected from 978 wild boar from five study areas in Switzerland between October 2011 and May 2013. Swabs were analyzed by qualitative real time PCR and a histopathological study was conducted on lung tissues. Risk factor analysis was performed using multivariable logistic regression modeling. Overall prevalence in nasal swabs was 26.2% (95% CI 23.3–29.3%) but significant geographical differences were observed. Wild boar density, occurrence of EP outbreaks in domestic pigs and young age were identified as risk factors for infection. There was a significant association between infection and lesions consistent with EP in domestic pigs. We have concluded that M. hyopneumoniae is widespread in the Swiss wild boar population, that the same risk factors for infection of domestic pigs also act as risk factors for infection of wild boar, and that infected wild boar develop lesions similar to those found in domestic pigs. However, based on our data and the outbreak pattern in domestic pigs, we propose that spillover from domestic pigs to wild boar is more likely than transmission from wild boar to pigs.

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Seroprevalence of Mycoplasma hyopneumoniae in pigs in subtropical southern China

Cited by 15 publications

References 11 publications

First report of Mycoplasma hyopneumoniae seroprevalence in Tibetan pigs in Tibet, China

First report of Mycoplasma hyopneumoniae seroprevalence in Tibetan pigs in Tibet, China

Detection of Mycoplasma hyopneumoniae by ELISA and nested PCR from blood samples and nasal swabs from pigs in Slovakia

Investigating the Role of Free-Ranging Wild Boar (Sus scrofa) in the Re-Emergence of Enzootic Pneumonia in Domestic Pig Herds: A Pathological, Prevalence and Risk-Factor Study

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