Confined Free-Stall

Productive animals are confined in covered masonry shed which are open at the sides; food is fully served in the trough;

The temperature is controlled by ventilation and sprinkling; each animal has a single bed; the animal rises to be milked and to eat;

Confined Compost-Barn

The temperature is controlled by ventilation; the animals rest in collective spaces, commonly lined with sawdust bed; it has as a principle the composting of this bed;

Semi-confined

Animals are fed on the trough in a covered shed, where they receive corn silage and concentrate (part of the food), usually after milking. During the interval between milking they are under rotational grazing, usually in cultivated and perennial pastures.