Affiliation: | 1. Department of Animal Health and Welfare, Faculty of Veterinary Medicine, University of Bari, Str. Prov. per Casamassima Km3, 70010 Valenzano, Bari, Italy;2. Agriculture and Agri-Food Canada, Lethbridge Research Centre, Canada;3. Laboratoire de pathologie aviaire et parasitologie, INRA, Nouzilly, France |