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2012 (Vol. 4, Issue: 1)
Article Information:

Seroprevalence and Risk Factors of Mycoplasma gallisepticum Infection in Iranian Broiler Breeder Farms

S. Seifi and M.R. Shirzad
Corresponding Author:  S. Seifi 

Key words:  Broiler breeder, Iran, Mycoplasma gallisepticum, risk factors, seroprevalence, ,
Vol. 4 , (1): 45-48
Submitted Accepted Published
2011 November, 14 2011 November, 29 2012 February, 15

This study was aimed to determine the risk factors (age, size of flock, locale, sex and strain) and seroprevalence of Mycoplasma gallisepticum (MG) in Iranian broiler breeder farms. In addition Correlation between seroprevalence in breeder with chronic respiratory disease in their progeny was analyzed. The study was conducted from May 2002 to October 2008 that was based on rapid Serum Plate Agglutination (SPA) and enzyme linked immunosorbent assay (ELISA) tests. To find a correlation between MG in breeders with airsaculitis in their progeny, data from broiler slaughterhouses were registered. According to the results, the highest (21.4%) and lowest (0%) prevalence of MG infection was found in 2003, 2008 respectively (p<0.05). The prevalence was highest (18.5%) in winter and lowest (6.8%) in summer. Ross, Cobb, Arian, Hubbard and Arbor Acres had 23.2, 8, 11.4, 14 and 6.9, respectively infection. The prevalence was recorded highest at 10-20 weeks of age (28%), but in above 60 weeks it was lowest (3.4%). MG infection was higher (56.21%) in female than in male (43.79%). No significant difference was seen in flocks up to 30,000 population (11.7%), 30,000- 40,000 (19%) and upper 40,000 (23%). The prevalence of mycoplamosis in foothills was relatively higher (9.4%) than coastal area (7.2%), however not significantly different. The correlation between MG in breeder and chronic respiratory disease in broiler wasn’t significant (respectively p = 0.743, p = 0.103) according to this, vertical infection couldn’t be an important cause of condemnation for broiler in slaughterhouse.
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  Cite this Reference:
S. Seifi and M.R. Shirzad, 2012. Seroprevalence and Risk Factors of Mycoplasma gallisepticum Infection in Iranian Broiler Breeder Farms.  International Journal of Animal and Veterinary Advances, 4(1): 45-48.
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ISSN (Online):  2041-2908
ISSN (Print):   2041-2894
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