lait (2) Udder (2) Milk (2) Mastitis (2) Goats (2) espèce (1) peau (1) matériau (1) immunité (1) ferme (exploitation) (1) dose (1) défense (1) contamination (1) canal (1) Prevention (1) Inoculation (1) Vaccination (1) Staphylococcus aureus (1) Species (1) Skin (1) Sheep (1) Secretion (1) Proportion (1) Plants (1) Milk yield (1) Milk plants (1) Pathogenic microorganisms (1) Lactation (1) Immunity (1) Glands (1)