Prevelence and Control Measures of Infectious Bovine Rhinotracheitis in Lithuania

نویسنده

  • G. Pridotkas
چکیده

The aim of the present work was to evaluate the prevalence and efficacy of IBR control measures in selected cattle herds in Lithuania. Serological investigations in 1997 2007 years (34600 blood sera samples tested) showed that BHV-1 infection mostly detected in cows (33.86%), less in heifers (8.77%) and in bulls group (1.69%). In majority of the cases seropositive bulls were detected in quarantine performing control testing before introducing to artificial insemination (AI) centers. The investigation by PCR proved that in three cattle herds BHV-1 was the prevalent agent of endemic respiratory disorder in calves. The BHV 1 was detected in 13 out of 29 tissue samples (44.8%). IBR control programs were performed in 22 farms or 6.9% from all controlled dairy farms. In most cases marker vaccine was used for IBR eradication. Serological testing in farms which perform vaccination showed high efficacy of marker vaccines.

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تاریخ انتشار 2009