Fertilizing capacity of frozen boar semen following surgical insemination

Polge, C.; Salamon, S.; Wilmut, I.; Polge, C; Salamon, S; Wilmut, I

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Fertilizing capacity of frozen boar semen following surgical insemination

Polge, C.; Salamon, S.; Wilmut, I.

Veterinary Record 87(15): 424-429

1970

ISSN/ISBN: 0042-4900

PMID: 5485635

Document Number: 23558

Boar semen in a yolk-glucose-glycerol diluent was frozen by the pellet method, stored in liquid nitrogen for 1-8 weeks and used to inseminate 58 gilts. Eleven animals were inseminated normally through the cervix and 47 by a surgical technique directly into the uterus or oviducts. The time of ovulation was controlled in all animals. Fertilization was determined by the examination of eggs 24 hours after insemination.