Journal of Veterinary Clinics (한국임상수의학회지)

The Korean Society of Veterinary Clinics (한국임상수의학회)
권호 표지

Correlation between Disease Prevalence and Production Performance in Korean Swine Farms

양돈 생산성에 따른 주요 질병 분포 조사

  • Accepted : 2011.04.01
  • Published : 2011.08.30
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Abstract

Currently, various diseases reside in Korean swine farms and affect production performance of the farms greatly. These damages from disease are further aggravated by the concurrent infection of other disease. In this study, y investigating the distribution of porcine reproductive and respiratory syndrome virus (PRRSV), porcine circovirus type 2 (PCV2), Salmonella spp. in farms, correlation between the damage and the prevalence of disease was analyzed. Ten selected Korean swine farms that uses PCV2 vaccine were tested for presence of antibody and antigen of PRRSV, PCV2, Salmonella spp. per ages of pigs, 4weeks, 7weeks, 11weeks and 17weeks, respectively. The results were analyzed by dividing the farms in to groups with MSY above 19, and that with MSY below 19. Then calculating the distribution of disease each ages of pigs. Farms with MSY below 19 showed high prevalence of disease by PRRSV, PCV2 and Salmonella spp.. In this group, the detection rate of PCV2 and Salmonella spp. was increased by the activation/viremia of PRRSV in the young ages of pigs. The results are proved that the correlation between disease prevalence and production performance in Korean swine farms were very significant. The prevalence of PRRSV is more important index which influence to the productivity in current prevalence of diseases.

Keywords

References

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