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KMID : 0359319980380040803
Korean Journal of Veterinary Research
1998 Volume.38 No. 4 p.803 ~ p.810
Epidemiology of pullorum disease and characteristics of Salmonella pullorum isolates in Korea
박경윤/Park, Kyoung Yoon
김선중/박용호/유한상/Kim, Sun Joong/Park, Yong Ho/Yoo, Han Sang
Abstract
Pullorum disease caused by Salmonella pullorum, has been considered as one of the most important diseases in both clinically and economically in poultry industry since it had been firstly reported in 1925 in Korea. This disease is still problem in the industry in this country even though several attempts have been made to eradicate the disease. As one of the trials to solve the problem, we investigated the pattern of the outbreak of the disease, isolated the causative agent, S pullorum and tested biochemical properties, antimicrobial susceptibility and plasmid profiles of the isolates. Outbreak of the disease based on the species was the highest in layer followed by in Korean native chick, and broiler. Daily mean mortality in vertical transmission (0.90%) was higher than that in horizontal (0.14%). There was no seasonal difference in the outbreak. Also, biochemical properties and antimicrobial susceptibility pattern of the isolates were same. However four different plasmid profiles of the isolates were
observed. These results suggested that S pullorum isolates were different in the genotype while they were same in phenotypes.
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학술진흥재단(KCI)