van Oirschot J T, Straver P J, van Lieshout J A, Quak J, Westenbrink F, van Exsel A C
Central Veterinary Institute, Lelystad, The Netherlands.
Vet Rec. 1993 Jan 9;132(2):32-5. doi: 10.1136/vr.132.2.32.
A subclinical bovine herpesvirus type 1 (BHV1) infection affected bulls at an artificial insemination centre for at least six months. The virus was detected in semen samples from 43 out of 116 bulls examined; 27 of them shed virus during one consecutive period of up to 10 days and 16 shed the virus intermittently. The virus titres ranged between 10 and 100,000 TCID50/ml. Vaccinated bulls tended to excrete the virus less frequently than unvaccinated bulls. Approximately 50 per cent of the bulls that had an increase in neutralising antibody titre to BHV1 shed the virus in their semen.
一种亚临床1型牛疱疹病毒（BHV1）感染在一家人工授精中心影响公牛至少六个月。在检查的116头公牛中的43头的精液样本中检测到该病毒；其中27头在长达10天的连续一段时间内排毒，16头间歇性排毒。病毒滴度在10至100,000 TCID50/ml之间。接种疫苗的公牛比未接种疫苗的公牛排毒频率更低。对BHV1中和抗体滴度升高的公牛中约50%在其精液中排毒。
