Detection of Neospora Antibody and Antigens from Bovine Cases of Abortion in Okayama Prefecture (1983-85)

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  • 1983～85年の牛流死産例の母牛血清および胎子組織からの抗ネオスポラ抗体および抗原の検出
  • 1983 85ネン ノ ウシ リュウ シザンレイ ノ ボギュウ ケッセイ オヨ

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Abstract

Cow sera and fetal tissues from abortion and stillbirth cases occurring in 1983 to 85, in which known virusinfections were ruled out, were examined for neospora infection by indirect immunofluorescence using Neospora caninum antigen and immunohistochemistry or paraffin sections of fetal tissues. Antibody was detected in 15 (30.0%) of 50 cows with abortion as well as in 25 (27.7%) of 90 co-living cows without. Neospora antigen was detected from 3 aborted fetuses in 1984, two Holstein aged 6 months (1 with abnormal habitus) and one Japanese Black aged 8 months with hydrocephaly. These 3 cases showed non-purulent encephalitis and multiple myositis and Neospora antigen was present in lesions.

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