temps (durée) (1) surveillance (1) espèce (1) lait (1) lumière (1) anticorps (1) infection (1) ferme (exploitation) (1) maladie (1) taux (1) Reproduction (1) Parts (1) Parts (1) Coxiella burnetii (1) Time (1) Species (1) Serum (1) Reproduction (1) Pregnancy (1) Milk plants (1) Milk (1) Light (1) Infection (1) Indexes (1) Immunoglobulins (1) Farms (1) Farmers (1) Evaluation (1) Enzyme-linked immunosorbent assay (1) Dairy plants (1)