échantillonnage (1) protozoaire (1) parasite (1) modèle (1) production animale (1) infection (1) effet (1) maladie (1) bovins (1) bétail (bovins) (1) Area (1) Area (1) Origin (1) Sampling (1) Milk plants (1) Macedonia (1) Infection (1) Impact (1) Immunoglobulins (1) Example (1) Dairy plants (1) Dairy cattle (1) Cows (1) Cattle (1) Blood (1) Analysis of variance (1) Sampling (1) Origin (1) maladie (1)