title: Effect of season and bacterial contamination on semen quality, freezability, and fertility of Hungarian Simmental artificial insemination bulls.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000302:isolation & purification; D002417:Cattle / Q000235:genetics / Q000502:physiology*; D005298:Fertility; D005615:Freezing; D006814:Hungary; D007315:Insemination, Artificial / Q000662:veterinary; D008297:Male; D012621:Seasons; D012661:Semen / Q000382:microbiology* / Q000502:physiology; D012662:Semen Preservation / Q000379:methods*