1. Society for the Protection of Animals Abroad; Chemaïa Morocco
2. Département de Pathologie Médicale et Chirurgicale; Institut Agronomique et Vétérinaire Hassan II; Rabat Morocco
3. 41 Zhora 12000 Temara Morocco
4. Department of Veterinary Clinical Science; University of Liverpool; Leahurst, Chester High Road Neston Cheshire CH64 7TE