title: Immunisation of ewes with polyandroalbumin to improve fecundity.
mesh_terms: D000735:Androstenedione / Q000008:administration & dosage / Q000031:analogs & derivatives*; D000818:Animals; D005260:Female; D005298:Fertility; D006241:Haptens; D007114:Immunization / Q000662:veterinary*; D011247:Pregnancy; D011270:Pregnancy, Animal; D012709:Serum Albumin / Q000008:administration & dosage*; D012756:Sheep / Q000276:immunology*
chemical_list: D006241:Haptens; D012709:Serum Albumin; C042013:polyandroalbumin; D000735:Androstenedione