title: Studies on the seminal picture of simmental, friesian and balady bulls in Egypt.
mesh_terms: D000367:Age Factors; D000818:Animals; D001947:Breeding; D002417:Cattle / Q000502:physiology*; D002452:Cell Count; D002465:Cell Movement; D004534:Egypt; D006863:Hydrogen-Ion Concentration; D008297:Male; D012661:Semen / Q000032:analysis*; D013094:Spermatozoa / Q000502:physiology