title: Proceedings: Pig A.I. in large herds by semen delivery service.
mesh_terms: D000818:Animals; D005260:Female; D007315:Insemination, Artificial / Q000662:veterinary*; D008297:Male; D011996:Records; D012661:Semen; D013552:Swine / Q000502:physiology*; D006113:United Kingdom