Variations simultanées du poids vif et des quantités ingérées chez la jument

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Abstract
Short-term variations in livebody weight following induced variations in feed intake were measured in 6 heavy dry mares fed meadow hay supplemented with 2 or 4 kg concentrate. Amounts of hay offered represented 95, 80, and 60 p. 100 of the voluntary feed intake according to a latin square design. Short-term variations in livebody weight were assumed to provide reliable estimations of variations in the digestive contents. Livebody weight variations (Y) were fairly well related in forage (X1) or concentrate (X2) dry matter (DM) intake. When variations in forage or concentrate DM intake were 1 kg, those of livebody weight of the mare were 3.48 .+-. 1.40 and 3.45 .+-. 0.95 kg, respectively.