[The frequency of difficult calving and stillbirth in Simmental cattle and in brown Swiss cattle].
D000704:Analysis of Variance; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D036861:Delivery, Obstetric / Q000662:veterinary*; D005260:Female; D005313:Fetal Death / Q000662:veterinary*; D007315:Insemination, Artificial / Q000662:veterinary; D011247:Pregnancy; D013557:Switzerland
Untersuchungen über die Häufigkit von Schwer- und Totgeburten beim Simmentaler Fleckvieh undbeim Braunvich.