[The duration of afterbirth expulsion in cattle].
D000818:Animals; D002417:Cattle / Q000502:physiology*; D002634:Chemotaxis, Leukocyte; D005260:Female; D010920:Placenta / Q000502:physiology*; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*; D013997:Time Factors
Untersuchungen zur Dauer des Nachgeburtsabgangs beim Rind.