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KMID : 1204320070230040489
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Laboratory Animal Research
2007 Volume.23 No. 4 p.489 ~ p.492
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Pathological Study on Purulent Pneumonia in Korean Native Goats
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Kim Ha-Hyun
Cho Kyoung-Oh
Park Su-Jin
Kang Mun-Il
Yang Dong-Kun
Kim In-Joong
Hwang In-Jin
Park Sang-Ik
Jeong Young-Ju
Hyun Bang-Hun
Kwon Chang-Hee
Lee Bong-Joo
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Abstract
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Bacteria belonging to the family Pasteurellaceae cause a common and economically important pneumonia to ruminants, particularly in temperate climates. However, bacterial pneumonia in the Korean native goats are not well studied in South Korea. Therefore, pathological examination of bacterial pneumonia was performed with two young goats obtained from two farms. These goats showed progressive dyspnea, depression and anorexia. At necropsy, cranioventral lobes which attached to pleural wall by fibrin were patch purple-red or white, and hard. Histopathologically, alveoli and small bronchioles were filled with variable proportions of necrotic neutrophils, fibrin, edema fluid and cellular debris. In some aggregates of necrotic neutrophils, there were streaming of oat-shaped cells with pale basophilc chromatin. From these results, these cases were diagnosed as purulent cranioventral bronchopneumonia. Since Mannheimia Haemolytica and Histophilus somni within the family Pasteurellaceae causing cranioventral bronchopneumonia are known to cause necrosis of neutrophils and oat-shaped cells infiltrating in the lung lesions, these cranioventral bronchopneumonia might be caused by these bacteria. Therefore, further studies will need to isolate precise causative bacterium from the lung lesions in the affected goats.
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KEYWORD
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Goat, Histophilus somni, Mannheimia Haemolytica, cranioventral bronchopneumonia
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