Département du Nord (1) Epidemiology (1) Birthplace (1) Diseases (1) Specimens (1) Mycoplasma (1) Samples (Commerce) (1) Pneumonia (1) Mycoplasmatales (1) Mothers (1) Months (1) Milk (1) Middle age (1) Medical sciences (1) Immunoglobulins (1) Immunofluorescence (1) Hand (1) Goal (Psychology) (1) Enzyme-linked immunosorbent assay (1) Day (1) Dairying (1) Dairy products industry (1) Dairy cattle (1) Culture (1) Cows (1) Causation (1) Cattle--Parturition (1) Cattle (1) Arthritis (1) Vaccination (1)