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Effects of Foot-and-mouth Disease Vaccination Location and Injection Device on the Incidence of Site Lesions in Pork

  • Ko, Eun Young (Division of Animal and Dairy Science, Chungnam National University) ;
  • Jung, Samooel (Division of Animal and Dairy Science, Chungnam National University) ;
  • Jeong, Hyun Kyu (Dodram Pig Farmers' Cooperative) ;
  • Han, Jeong Hee (College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University) ;
  • Son, Jung Ho (Noah Biotech Inc.)
  • Received : 2018.04.03
  • Accepted : 2018.04.27
  • Published : 2018.06.30

Abstract

This study was aimed to investigate the effects of the type O foot-and-mouse disease vaccine (FMDV) on the incidence of abnormal meat such as granuloma or abscess formation at the injection site in pork and its associated economic losses. At 56 d of age, piglets were inoculated with FMDV by one of three administration routes: N-Neck (a conventional needle-syringe injection into the neck), N-Ham (a conventional needle-syringe injection into the ham), and Non-Neck (injection with a needle-free device into the neck). The injection sites were visually examined for the presence of a granuloma or abscess, and the incidence rate of abnormal meat was calculated. The gross weight of the portion of the pork carcasses condemned because of granuloma or abscess formation was measured and multiplied by the weekly sales price to calculate the total economic losses. After implementation of FMDV, the economic losses were approximately six times higher than before implementation. Granuloma or abscess formation was significantly higher in the N-Neck and Non-Neck groups, in which the vaccine was inoculated into the neck area, than in the N-Ham group (N-Neck and N-Ham vs Non-Neck, p<0.05). These results suggest that the incidence of lesions could be reduced if the ham route was used for vaccination.

Keywords

References

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