Palabras claves: Belgium, biosecurity, cattle, classification, Diseases, Laboratory, prioritization, RANKING, Survey, trend, Veterinarians
Autores: Cassart D., Claude L. Saegerman, Damiaans B., Dewulf J., Humblet M.F., Koenen F., Lomba M., Renault V., Ribbens S., Riocreux F., Sarrazin S.