267 (45’)

Association between Passive Transfer and Antimicrobial Resistance in the Entiric Flora of Calves T. E. Besser, A. C. Berge, W. Sischo United States

268	Efficacy of Metaphylactic Florfenicol Therapy during Natural Outbreaks of Bovine Respiratory Disease B. Catry, L. Duchateau, J. Van de Ven, G. Opsomer, F. Haesebrouck, A. De Kruif Belgium

269	Evaluation of the Role of Clostridium Perfringens Type A in Bovine Neonatal Diarrhoea C. Manteca1, G. Czaplicki2, A. Ginter2, J. Bughin2 1France, 2Belgium

270	Neonatal Calf Diarrhoea in Problem Farms Solved in 5 easy, simple and Cost Effective Steps J. Van De Ven Belgium

271	Field Study Investigating the Advantages of a Combined Treatment with Florfenicol and Flunixin (Resflor®) of Bovine Respiratory Disease M. Behr, M. Huebner, W. Loehlein, O. Wolf 1Germany

272	Intranasal Followed by Systemic Vaccination is an Optimal Vaccination Schedule for Young Calves against Bovine Respiratory Syncytial Virus and Parainfluenza Type 3 Virus I. Vangeel, R. Raue United Kingdom

273	Case Control Study for the Evaluation of Risk Factors Associated with Infectious Respiratory Diseases in Dairy Calves in Québec D. Francoz, G. Fecteau, M. Fortin, A. M. Christen, J. Arsenault Canada