[Effect of feeding vitamin A supplement to pregnant cows on the health of calves].
D000821:Animal Feed; D000818:Animals; D000831:Animals, Newborn / Q000502:physiology*; D001724:Birth Weight; D002417:Cattle / Q000502:physiology*; D005260:Female; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011270:Pregnancy, Animal; D014801:Vitamin A / Q000494:pharmacology*
D014801:Vitamin A
Zur Auswirkung einer Vitamin-A-Zufütterung an tragende Muttertiere auf die Gesundheit der Kälber.