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KMID : 0380520030070010067
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Korean Journal of Veterinary Pathology
2003 Volume.7 No. 1 p.67 ~ p.69
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Polygranulomatosis in the domestic chickens
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Lee Nam-Jin
Cho Kyoung-Oh
Kang Mun-Il
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Abstract
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Three mature layer chickens from a farm in which chickens showed green diarrhea, cyanosis, lethargy, loss of appetite were pathologically examined. Grossly, multiple variable sized caseous nodules were detected in the liver, intestinal serosa and mesentery. In addition, parathypoid nodules in the liver and fibrous serositis on the several peritoneal organs and tissues were noticed. One of spleens had multiple infarction areas. Histologically caseous nodules consisted of central caseous core and peripheral epithelioid cells overlying the fibrous connective tissue. Multinucleated giant cells were scattered between the epithelioid cells and fibrous connective tissue. In these nodules Gram negative cocobacilus bacterial colonies were present, whereas Periodic Schiff reaction and Ziehl-Neelsen stain detected neither fungi nor acid fast bacteria. From these results multiple granulomas might be induced by Escherichia coli. In addition, severe Ascafdiodf and Salmonellosis were coinfected in these chickens.
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KEYWORD
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caseous nodules, chicken, Escherichia coli, granuloma
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