Antibody survey of domestic animals for Chlamydia psittaci in Niigata prefecture [Japan]
1996
Nabeya, M. (Niigata-ken. Government Office (Japan)) | Higuchi, R. | Hirayama, E. | Honma, H. | Ishida, H. | Toriya, Y.
Bovine, equine, swine and chicken serum samples collected in the years of 1984, l989 and l994 in Niigata prefecture were investigated for antibody to Chlamydia psittaci by indirect immunofluorescence. Of 260 bovine sera 87.2% were positive, showing a geometric mean (GM) titer of 1:242.1. Positivity rates were significantly higher in older cattle than in younger, and in Holstein breed than in Japanese Black. Of 90 equine, 100 swine and 100 chicken sera collected in 1994, positivity rates (GM titers) were 38.9% (1:97.0), 78.0% (1:266.9) and 4.0% (1:65.8), respectively. These results suggested wide-spread chlamydia infection among farm mammals in Niigata prefecture
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