Effect of mastitis and related-germ on milk yield and composition during naturally-occurring udder infections in dairy cows Jean-Baptiste Coulona, Patrick Gasquib, Jacques Barnouin, Alain Ollier, Philippe Pradel and Dominique Pomiès Anim. Res., 51 5 (2002) 383-393 DOI: 10.1051/animres:2002031