[Respective effects of the quantities ingested and physiological stage on the digestibility of the same diet in dairy cows].
The variations in digestibility of the same diet (65% maize silage-35% concentrates) in dairy cows during pregnancy and lactation are explained both by dry matter (DM) intake variations (more than 1 pt of decrease in digestibility per kg of increase in DM intake) and physiological stage: digestibility is lower in early lactation than in late pregnancy or mid-lactation.
Doreau
M
M
Laboratoire de la Lactation, I.N.R.A., Theix, Ceyrat, France.
Adingra
K
K
Rémond
B
B
Chilliard
Y
Y
D000821:Animal Feed; D000818:Animals; D002417:Cattle / Q000378:metabolism*; D004063:Digestion; D005243:Feces / Q000032:analysis; D005260:Female; D007774:Lactation / Q000378:metabolism*; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000378:metabolism*
Effets respectifs des quantités ingérées et du stade physiologique sur la digestibilité d'une même ration chez la vache laitière.