Asian-Australasian Journal of Animal Sciences

  • 제33권4호
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  • Pages.634-639
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  • 2020
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  • 1011-2367(pISSN)
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  • 1976-5517(eISSN)
아세아태평양축산학회 (Asian Australasian Association of Animal Production Societies)
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Reducing lesion incidence in pork carcasses by heating foot-and-mouth disease vaccine before injection

  • Cho, Jaesung (Division of Animal and Dairy Science, Chungnam National University) ;
  • Ko, Eun Young (Dodram Pig Farmers' Cooperative) ;
  • Jo, Kyung (Division of Animal and Dairy Science, Chungnam National University) ;
  • Lee, Seonmin (Division of Animal and Dairy Science, Chungnam National University) ;
  • Jang, Sungbong (Division of Animal and Dairy Science, Chungnam National University) ;
  • Song, Minho (Division of Animal and Dairy Science, Chungnam National University) ;
  • Jung, Samooel (Division of Animal and Dairy Science, Chungnam National University)
  • 투고 : 2019.03.21
  • 심사 : 2019.06.20
  • 발행 : 2020.04.01
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초록

Objective: This study was conducted to investigate the effect of heating of foot-and-mouth disease (FMD) vaccine before injection, on the incidence of lesions at the injection site (pork butt), amount of discarded meat, and economical benefit. Methods: In total, 101,086 piglets raised in 30 farms, were vaccinated in the neck with 2 mL of FMD vaccine at 56 d and 84 d of age using a commercial syringe. The heat treatment group (48,511 pigs) was injected with the FMD vaccine after it had been heated in a water bath at 40℃ for 20 min. After slaughter, the incidence of lesions on the pork butt was inspected, and the subsequent amount of discarded meat was recorded. Results: Heat treatment of FMD vaccine reduced the incident rate of lesions on the pork butt (p<0.01). Overall, 17.81% of the pigs in the heat treatment group had lesions, while the incident rate in the control group was 21.70%. The amount of discarded meat per head of total pigs and per head of pigs with lesions were significantly lower in the heat treatment group than the control group (p<0.01). Thus, the proportion of discarded meat to dressed carcass was lower in the heat treatment group (0.249%) compared with the control group (0.338%) (p<0.01). Farms that rear 1,000 sows can gain 1,863,289 KRW (1,600 USD) in one year when they adopt heat treatment of FMD vaccine before injection. Conclusion: Heat treatment of FMD vaccine using simple heat equipment (water bath) can be effective in reducing lesions caused by FMD vaccination and increase the economic benefits in pig farms.

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참고문헌

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