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KMID : 1024620180380030498
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Food Science of Animal Resources
2018 Volume.38 No. 3 p.498 ~ p.505
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Effects of Foot-and-mouth Disease Vaccination Location and Injection Device on the Incidence of Site Lesions in Pork
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Ko Eun-Young
Jung Samooel
Jeong Hyun-Kyu
Han Jeong-Hee
Son Jung-Ho
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Abstract
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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.
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KEYWORD
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foot-and-mouse disease , vaccine , granuloma , abscess , economic loss
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