title: [Deep freezing of boar semen. 6. Laboratory experiments and insemination trials with frozen boar semen using a modified extender Huelsenberg].
mesh_terms: D000818:Animals; D005260:Female; D005615:Freezing; D007315:Insemination, Artificial / Q000662:veterinary*; D008297:Male; D011247:Pregnancy; D011270:Pregnancy, Animal; D011309:Preservation, Biological; D012034:Refrigeration; D013552:Swine
vernacular_title: Zur Tiefgefrierung von Ebersperma. 6. Labor- und Besamungsversuche mit einem modifizierten Hülsenberg-Verdünner