Reducing lesion incidence in pork carcasses by heating foot-and-mouth disease vaccine before injection

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, w...

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Published in:Asian-australasian journal of animal sciences 2020, Vol.33 (4), p.634-639
Main Authors: Cho, Jaesung, Ko, Eun Young, Jo, Kyung, Lee, Seonmin, Jang, Sungbong, Song, Minho, Jung, Samooel
Format: Article
Language:Korean
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Summary: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
ISSN:1011-2367
1976-5517