Penetration rate of chilled and frozen sperms from Jersey bulls and levels of certain electrolytes in the oestrous mucus of cows.
D000818:Animals; D002417:Cattle; D003080:Cold Temperature; D004971:Estrus; D005260:Female; D005615:Freezing; D007315:Insemination, Artificial / Q000662:veterinary*; D008297:Male; D009093:Mucus / Q000032:analysis / Q000502:physiology; D011188:Potassium / Q000032:analysis; D011247:Pregnancy; D012964:Sodium / Q000032:analysis; D013094:Spermatozoa / Q000502:physiology*; D014599:Uterus / Q000502:physiology*
D012964:Sodium; D011188:Potassium