title: History of the boar semen conferences.
authors.forename: Larry
authors.initials: L
authors.lastname: Johnson
authors.forename: Bart
authors.initials: B
authors.lastname: Gadella
mesh_terms: D000818:Animals; D003226:Congresses as Topic / Q000266:history*; D015925:Cryopreservation / Q000266:history / Q000662:veterinary; D049671:History, 18th Century; D049673:History, 20th Century; D049674:History, 21st Century; D008297:Male; D009426:Netherlands; D012662:Semen Preservation / Q000266:history / Q000662:veterinary*; D013552:Swine