The requirement of a trypsin-like acrosomal enzyme for fertilization in the domestic fowl.
D000818:Animals; D002645:Chickens; D003270:Contraceptive Agents; D005260:Female; D005306:Fertilization / Q000187:drug effects*; D007659:Ketones / Q000494:pharmacology*; D008239:Lysine / Q000494:pharmacology; D008247:Lysosomes / Q000201:enzymology; D008297:Male; D013094:Spermatozoa / Q000187:drug effects / Q000201:enzymology; D014105:Tosyl Compounds / Q000494:pharmacology*; D014361:Trypsin Inhibitors / Q000494:pharmacology*
D003270:Contraceptive Agents; D007659:Ketones; D014105:Tosyl Compounds; D014361:Trypsin Inhibitors; D008239:Lysine