239 (25’)

The Present and the Future of IBR Control P. Franken The Netherlands

240 (25’)

Infectious Bovine Rhinotracheitis and the Epidemiological Role of the other Ruminant Species J. Thiry, B. Muylkens, E. Thiry Belgium

241 (25’)

Pitfalls in IBR Diagnosis in the Field M. Beer, P. Koenig Germany

242	Prevalence and Risk Factors for Bovine Herpesvirus 1 Infection in Cattle Herds from Parana State, Brazil J. Dias, A. Alfieri, J. Ferreira Neto, E. Muller, A. Alfieri Brazil

243	Bovine Herpesviruses in Argentina: Present and Future S. Romera, M. Vena, A. Sadir Argentina