title: Selenium content, glutathione peroxidase activity, and lipid peroxide level in fresh bull semen and its relationship to motility of spermatozoa after freezing-thawing.
mesh_terms: D000818:Animals; D002417:Cattle / Q000502:physiology*; D005615:Freezing; D005979:Glutathione Peroxidase / Q000032:analysis; D008054:Lipid Peroxides / Q000032:analysis; D008297:Male; D012643:Selenium / Q000032:analysis; D012661:Semen / Q000032:analysis* / Q000201:enzymology; D013081:Sperm Motility
chemical_list: D008054:Lipid Peroxides; D005979:Glutathione Peroxidase; D012643:Selenium