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[학술저널]

가물치에 대한 Nocardia seriolae의 인위감염과 조직학적 관찰

  • 학술저널

가물치에 대한 Nocardia seriolae의 인위감염과 조직학적 관찰

Artificial Infection with Nocardia seriolae and the Histological Examination at Snakehead Channa argus

이남실(국립수산과학원) 한현자(국립수산과학원) 김명석(국립수산과학원) 도정완(국립수산과학원) 정승희(국립수산과학원) 조혜인(경상북도 토속어류산업화센터) 김진도(국립수산과학원)

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초록

Snakehead, Channa argus were intraperitoneally infected with Nocardia seriolae. at the concentrations of 1.5×107 cfu/㎖ or 1.5×108 cfu/㎖. The infected fish were kept in aquaria at 25℃ and 30℃ for 3 weeks. Clinical signs and mortality were monitored daily to evaluate the virulence. All artificially infected fish showed the same clinical sign found in naturally infected fish. All the fish infected with 1.5×108 cfu/㎖ of N. seriolae died within 24days. N. seriolae showed higher virulence to snakehead at the temperature 30℃. Internal lesions such as whitish nodules in the infected internal organs were not correlated with mortality but some degenerative changes were observed in all the infected organs within a week. Whitish nodules in the infected organs which are the typical character in nocardial infection was initially found at two weeks after the artificial infection in snakehead.

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Abstract
Ⅰ. 서론
Ⅱ. 재료 및 방법
Ⅲ. 결과
Ⅳ. 고찰
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