Distribution of neutralizing antibody for infectious bovine rhinotracheitis (IBR) virus in southern Japan
1964 Volume 17 Issue 1 Pages 28-30
Details
1964 Volume 17 Issue 1 Pages 28-30
A total of 605 bovine sera were collected from cattle in the Kyushu and Chugoku regions and Jersey cattle which were introduced in Japan from Australia in 1960, at the time of arrival in Japan. They wer tested for antibody neutralizing IBR virus.
The positive rate was 7.1 per cent in the Kyushu region. No positive sera were detected from she Chugoku region and among the Jerseys. There were no differences in positive rate between the sexes, ages, and breeds. The antibody titer of positive sera ranged from 1: 2 to 1: 64. IBR virus may be present in Japan.
