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Korean J. Vet. Serv. 2016; 39(3): 187-192
Published online September 30, 2016
https://doi.org/10.7853/kjvs.2016.39.3.187
© The Korean Socitety of Veterinary Service
국내 송아지 분변 내 설사병 병원체 검출과 설사 발병율 조사
김수희;강진희;이창준;이영성;채정병;강성우;정숙한;유도현;조아라;류재규;최경성;김현철;박배근;채준석;박진호;
전북대학교 수의과대학;전북대학교 수의과대학;전북대학교 수의과대학;전북대학교 수의과대학;서울대학교 수의과대학;전남대학교 수의과대학;전남대학교 수의과대학;전남대학교 수의과대학;국립축산과학원;국립축산과학원;경북대학교 생태환경대학;강원대학교 수의과대학;충남대학교 수의과대학;서울대학교 수의과대학;전북대학교 수의과대학;
Detection of diarrheagenic pathogens from feces and incidence of diarrhea in Korean calves
Correspondence to : 전북대학교 수의과대학(College of Veterinary Medicine, Chonbuk National University)
Diarrhea is reported as one of the most common diseases in calves. It is thought to be a major cause of productivity and economic loss to cattle producers. The aim of this study is to provide a better understanding of well-known diarrheagenic pathogens and incidence of diarrhea in Korean calves. In this study, the relationship of calf diarrhea and pathogens were investigated from calves under 60 days of age in five areas of Korea from April to July, 2016. Of examined fecal samples, 38.3% was positive for any pathogens, and Giardia was the most common pathogen (25.5%). The incidence of diarrhea was 31% from pathogen-negative fecal samples whereas 61.1% from pathogen-positive fecal samples, suggesting high correlation between pathogenic factor and diarrhea. In addition, 80% of E. coli (K99) positive calves showed diarrhea, suggesting E. coli (K99) could be highly pathogenic. The incidence of diarrhea and infection rate increased with age. Rotavirus was revealed as a major pathogen in calves under 20 days of age, and the infection rate of Giardia increased rapidly in calves 20 to 39 days of age. The information on interconnections between clinical diarrhea and pathogens would contribute to developing strategies for treatment of calf diarrhea.
Keywords Calves,Diarrhea,Feces,Giardia,Pathogen,
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Research Article
Korean J. Vet. Serv. 2016; 39(3): 187-192
Published online September 30, 2016 https://doi.org/10.7853/kjvs.2016.39.3.187
Copyright © The Korean Socitety of Veterinary Service.
국내 송아지 분변 내 설사병 병원체 검출과 설사 발병율 조사
김수희;강진희;이창준;이영성;채정병;강성우;정숙한;유도현;조아라;류재규;최경성;김현철;박배근;채준석;박진호;
전북대학교 수의과대학;전북대학교 수의과대학;전북대학교 수의과대학;전북대학교 수의과대학;서울대학교 수의과대학;전남대학교 수의과대학;전남대학교 수의과대학;전남대학교 수의과대학;국립축산과학원;국립축산과학원;경북대학교 생태환경대학;강원대학교 수의과대학;충남대학교 수의과대학;서울대학교 수의과대학;전북대학교 수의과대학;
Detection of diarrheagenic pathogens from feces and incidence of diarrhea in Korean calves
Kim, Suhee;Kang, Jin-Hee;Lee, Chang-Joon;Lee, Young-Sung;Chae, Jeong-Byoung;Kang, Sung-Woo;Jeong, Suck-Han;Yu, Do-Hyeon;Jo, Ara;Yoo, Jae-Gyu;Choi, Kyoung-Seong;Kim, Hyeon-Cheol;Park, Bae-Keun;Chae, Joon-Seok;Park, Jinho;
College of Veterinary Medicine, Chonbuk National University;College of Veterinary Medicine, Chonbuk National University;College of Veterinary Medicine, Chonbuk National University;College of Veterinary Medicine, Chonbuk National University;College of Veterinary Medicine, Seoul National University;College of Veterinary Medicine, Chonnam National University;College of Veterinary Medicine, Chonnam National University;College of Veterinary Medicine, Chonnam National University;National Institute of Animal Science Rural Development Administration;National Institute of Animal Science Rural Development Administration;College of Ecology and Environmental Science, Kyungpook National University;College of Veterinary Medicine, Kangwon National University;College of Veterinary Medicine, Chungnam National University;College of Veterinary Medicine, Seoul National University;College of Veterinary Medicine, Chonbuk National University;
Correspondence to:전북대학교 수의과대학(College of Veterinary Medicine, Chonbuk National University)
Abstract
Diarrhea is reported as one of the most common diseases in calves. It is thought to be a major cause of productivity and economic loss to cattle producers. The aim of this study is to provide a better understanding of well-known diarrheagenic pathogens and incidence of diarrhea in Korean calves. In this study, the relationship of calf diarrhea and pathogens were investigated from calves under 60 days of age in five areas of Korea from April to July, 2016. Of examined fecal samples, 38.3% was positive for any pathogens, and Giardia was the most common pathogen (25.5%). The incidence of diarrhea was 31% from pathogen-negative fecal samples whereas 61.1% from pathogen-positive fecal samples, suggesting high correlation between pathogenic factor and diarrhea. In addition, 80% of E. coli (K99) positive calves showed diarrhea, suggesting E. coli (K99) could be highly pathogenic. The incidence of diarrhea and infection rate increased with age. Rotavirus was revealed as a major pathogen in calves under 20 days of age, and the infection rate of Giardia increased rapidly in calves 20 to 39 days of age. The information on interconnections between clinical diarrhea and pathogens would contribute to developing strategies for treatment of calf diarrhea.
Keywords: Calves,Diarrhea,Feces,Giardia,Pathogen,
