Effects of milk urea nitrogen and other factors on probability of conception of dairy cows.
Guo
K
K
Department of Animal and Avian Sciences, University of Maryland, College Park 20742, USA.
Russek-Cohen
E
E
Varner
M A
MA
Kohn
R A
RA
D000818:Animals; D001947:Breeding; D002417:Cattle / Q000502:physiology*; D005260:Female; D005306:Fertilization / Q000502:physiology*; D007774:Lactation / Q000502:physiology; D016015:Logistic Models; D008892:Milk / Q000737:chemistry*; D009584:Nitrogen / Q000032:analysis*; D010298:Parity; D011237:Predictive Value of Tests; D011247:Pregnancy; D018873:Pregnancy Rate; D012621:Seasons; D014508:Urea / Q000032:analysis*
D014508:Urea; D009584:Nitrogen