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Effects of Foot-and-mouth Disease Vaccination Location and Injection Device on the Incidence of Site Lesions in Pork
Korean J. Food Sci. An. 2018;38:498-505
Published online June 30, 2018;  https://doi.org/10.5851/kosfa.2018.38.3.498
© 2018 Korean Society for Food Science of Animal Resources

Eun Young Ko1,2, Samooel Jung1, Hyun Kyu Jeong2, Jeong Hee Han3, and Jung Ho Son4,*

1Division of Animal and Dairy Science, Chungnam National University, Daejeon 34134, Korea
2Dodram Pig Farmers’ Cooperative, Icheon 17405, Korea
3College of Veterinary Medicine and Institute of Veterinary Science, Kangwon National University, Chuncheon 24341, Korea
4Noah Biotech Inc., Cheonan 31035, Korea
Correspondence to: Jung Ho Son
Noah Biotech Inc., Cheonan 31035, Korea
Tel: +82-41-622-6284
Fax: +82-41-622-6285
E-mail: jhson@noahbio.com
Received April 3, 2018; Revised April 26, 2018; Accepted April 27, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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 needlesyringe 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 : foot-and-mouse disease, vaccine, granuloma, abscess, economic loss


August 2018, 38 (4)