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Korean J. Vet. Serv. 2017; 40(1): 61-66

Published online March 30, 2017

https://doi.org/10.7853/kjvs.2017.40.1.61

© The Korean Socitety of Veterinary Service

신속 진단 킷트를 활용한 한우 송아지의 설사증 원인체 검사

최창용;정영훈;도윤정;조아라;김성범;강희성;류재규;박진호;

농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;전북대학교 수의과대학;

Received: January 4, 2017; Revised: March 15, 2017; Accepted: March 15, 2017

Use of rapid diagnostic kit for the diagnosis of Korean native calf diarrhea

Choe, Changyong;Jung, Young-Hun;Do, Yoon-Jung;Cho, Ara;Kim, Seong-Bum;Kang, Hee-Sung;Yoo, Jae-Gyu;Park, Jinho;

National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;College of Veterinary Medicine, Chonbuk National University;

Correspondence to : 농촌진흥청 국립축산과학원(National Institute of Animal Science, RDA)

Received: January 4, 2017; Revised: March 15, 2017; Accepted: March 15, 2017

Abstract

Calf diarrhea is a disease experienced by almost all of calves after birth and is one of the representative causes of damage to farmers due to mass mortality and of economic losses to them by inhibiting normal growth. In this study, we conducted quick detection of etiologic agents of diarrhea by using a rapid diagnostic kit to multiply diagnose antigens of five etiologic agents of calf diarrhea (rotavirus, coronavirus, Escherichia coli, Cryptosporidium, Giardia) in Hanwoo (Korean native cattle) calves. When the positive antigen proportion of the calf diarrheal feces for each farm was analyzed, rotavirus, coronavirus, Escherichia coli, Cryptosporidium, and Giardia showed antigen positive rates of 0~67%, 0~20%, 0~60%, 0~20%, and 0~67%, respectively. With regard to the antigen positive rate by age in days after birth, 1-week-old calves showed the antigen positive rate of 20% in rotavirus and 20% in Giardia, and 2-week-old calves showed that of 50% in rotavirus. In addition, 4-week-old calves showed the antigen positive rate of 10% in rotavirus, 10% in coronavirus, 10% in Escherichia coli, and 30% in Giardia, and 8-week-old calves showed the antigen positive rate of 17% in coronavirus, 50% in Escherichia coli, 17% in Cryptosporidium, and 33% in Giardia. Based on the results of this study, the etiologic agents of diarrhea in Hanwoo calves for each farm are widely distributed. Although younger than 2-week-old calves were strongly positive for rotavirus, older than 4-week-old calves were highly positive for Giardia and Escherichia coli. In conclusion, we considered that a rapid diagnostic kit is an effective method for quick detection of etiologic agents and would be helpful for cattle farmers and veterinarians to select appropriate therapeutic method.

Keywords Calf,Diarrhea,Rapid diagnostic kit,

Article

Research Article

Korean J. Vet. Serv. 2017; 40(1): 61-66

Published online March 30, 2017 https://doi.org/10.7853/kjvs.2017.40.1.61

Copyright © The Korean Socitety of Veterinary Service.

신속 진단 킷트를 활용한 한우 송아지의 설사증 원인체 검사

최창용;정영훈;도윤정;조아라;김성범;강희성;류재규;박진호;

농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;농촌진흥청 국립축산과학원;전북대학교 수의과대학;

Received: January 4, 2017; Revised: March 15, 2017; Accepted: March 15, 2017

Use of rapid diagnostic kit for the diagnosis of Korean native calf diarrhea

Choe, Changyong;Jung, Young-Hun;Do, Yoon-Jung;Cho, Ara;Kim, Seong-Bum;Kang, Hee-Sung;Yoo, Jae-Gyu;Park, Jinho;

National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;National Institute of Animal Science, RDA;College of Veterinary Medicine, Chonbuk National University;

Correspondence to:농촌진흥청 국립축산과학원(National Institute of Animal Science, RDA)

Received: January 4, 2017; Revised: March 15, 2017; Accepted: March 15, 2017

Abstract

Calf diarrhea is a disease experienced by almost all of calves after birth and is one of the representative causes of damage to farmers due to mass mortality and of economic losses to them by inhibiting normal growth. In this study, we conducted quick detection of etiologic agents of diarrhea by using a rapid diagnostic kit to multiply diagnose antigens of five etiologic agents of calf diarrhea (rotavirus, coronavirus, Escherichia coli, Cryptosporidium, Giardia) in Hanwoo (Korean native cattle) calves. When the positive antigen proportion of the calf diarrheal feces for each farm was analyzed, rotavirus, coronavirus, Escherichia coli, Cryptosporidium, and Giardia showed antigen positive rates of 0~67%, 0~20%, 0~60%, 0~20%, and 0~67%, respectively. With regard to the antigen positive rate by age in days after birth, 1-week-old calves showed the antigen positive rate of 20% in rotavirus and 20% in Giardia, and 2-week-old calves showed that of 50% in rotavirus. In addition, 4-week-old calves showed the antigen positive rate of 10% in rotavirus, 10% in coronavirus, 10% in Escherichia coli, and 30% in Giardia, and 8-week-old calves showed the antigen positive rate of 17% in coronavirus, 50% in Escherichia coli, 17% in Cryptosporidium, and 33% in Giardia. Based on the results of this study, the etiologic agents of diarrhea in Hanwoo calves for each farm are widely distributed. Although younger than 2-week-old calves were strongly positive for rotavirus, older than 4-week-old calves were highly positive for Giardia and Escherichia coli. In conclusion, we considered that a rapid diagnostic kit is an effective method for quick detection of etiologic agents and would be helpful for cattle farmers and veterinarians to select appropriate therapeutic method.

Keywords: Calf,Diarrhea,Rapid diagnostic kit,

KJVS
Dec 30, 2022 Vol.45 No.4, pp. 249~342

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