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경남 남부지방에서 사육 중인 송아지의 설사병에 관한 역학적 연구
허정호 ( Jung Ho Heo ),조명희 ( Myung Heui Cho ),이국천 ( Kuk Cheon Lee ),박미남 ( Mi Nam Park ),조은정 ( Eun Jeong Cho ),최만수 ( Man Su Choi ),김충희 ( Chung Hui Kim ),강정부 ( Joung Boo Kang ),김의경 ( Eui Kyung Kim ),김종수 ( 한국가축위생학회 2008 韓國家畜衛生學會誌 Vol.31 No.3
The present study was conducted to investigate the epidemiological characteristics such as isolation rate and antimicrobial drug susceptibility of etiological agents. The specimens (stool or intestine) were collected from 319 calves with clinical diarrhea from 195 farms in Gyeongnam south area (Gosung, Tongyung, Hadong) from June 2005 to August 2006. The isolation rate of Salmonella spp was higher in summer (8.4%) than in winter (4.8%) and the average was 7.2% (23/319 head). Some of Salmonella spp isolated were resistant to penicillin, oxytetracycline, tetracycline, and cephalexin (>90%), but some of them were suscep-tible to norfloxacin, ciprofloxacin, sulfamethoxazole/trimethoprim and amikacin(>30%). There was no statistical difference in the isolation rate of Eimeria spp between summer(48.9%) and winter(42.3%). For the evaluation of infection level of Eimeria spp oocyst per gram of feces(OPG) was examined, and severe, moderate and light infection level were 11.9%, 12.5% and 22.3%, respectively. In the isolation rates of Eimeria spp the calves under 19 days was lowerthan those over 60 days, but there was not different among herd size.
경남 남부지방에서 송아지설사병 원인체 바이러스 검출 조사
허정호 ( Jung Ho Heo ),조명희 ( Myung Heui Cho ),이국천 ( Kuk Cheon Lee ),박미남 ( Mi Nam Park ),조은정 ( Eun Jeong Cho ),최만수 ( Man Su Choi ),김충희 ( Chung Hui Kim ),강정부 ( Joung Boo Kang ),김의경 ( Eui Kyung Kim ),김종수 ( 한국가축위생학회 2008 韓國家畜衛生學會誌 Vol.31 No.3
Among calves` diseases, digestive diseases most frequently occur in Korea, and especially viral diarrhea is one of the most important diseases. This study was conducted to get some basic information for the control of the viral diarrhea in calves. The samples were obtained from 319 calves with clinical diarrhea from 195 farms in Gyeongnam south area (Gosung, Tongyung, Hadong) from June 2005 to August 2006. Viral detection was examined by polymerase chain reaction (PCR). Etiological viruses were detected from 171(53.6%) of 319 calves, and bovine rotavirus (BRV) were 130 (40.8%) and bovine viral diarrhea virus (BVDV) 41 (12.9%), and no coronavirus was confirmed. Statistical difference was found in BRV detection between summer (32.6%) and winter (57.7%). However there was no seasonal difference in BVDV. In detection rate of the calves under 19days, BRV was highest (55.1%), but BVDV lowest (5.1%). No big difference was in rate among herd size. However, BRV was lowest (26.8%) in the group over 51 heads, but BVDV was highest (19.5%) in the same.