espèce (1) peau (1) lait (1) matériau (1) ferme (exploitation) (1) défense (1) contamination (1) canal (1) Udder (1) Species (1) Skin (1) Sheep (1) Secretion (1) Proportion (1) Plants (1) Milk (1) Pathogenic microorganisms (1) Mastitis (1) Lactation (1) Goats (1) Glands (1) Flock (1) Farms (1) Examinations (1) Coagulase (1) Sources (1) Sources (1) Secretion (1) Pathogens (1) Examinations (1)