Prevalence of contagious and environmental mastitis-causing bacteria in bulk tank milk and its relationships with milking practices of dairy cattle herds in São Miguel Island (Azores) - Azevedo, Carla; Pacheco, Diana; Soares, Luisa; Moitoso, Mónica; Maldonado, Jaime; Romão, Ricardo; Guix, Roger; Simões, João (2015)