1. F Bonelli:
Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, 56124, Pisa, Italy
2. V Meucci:
Department of Veterinary Sciences, University of Pisa,Viale delle Piagge 2, 56124, Pisa,Italy
3. L Turini:
Centro di Ricerche Agro-Ambientali “E. Avanzi”, University of Pisa,via Vecchia di Marina 6, 56122, San Piero a Grado (PI),Italy; Department of Veterinary Sciences, University of Pisa,Viale delle Piagge 2, 56124, Pisa,Italy
4. M Sgorbini:
Centro di Ricerche Agro-Ambientali “E. Avanzi”, University of Pisa,via Vecchia di Marina 6, 56122, San Piero a Grado (PI),Italy Department of Veterinary Sciences, University of Pisa,Viale delle Piagge 2, 56124, Pisa,Italy