1. The effect of sperm number on fertility in blue fox vixens (Alopexlagopus) artificially inseminated with frozen silver fox (Vulpesvulpes) semen;Farstad;Theriogenology,1992
2. Effect of diffenet sperm numbers on fertility after artificial insemination in foxes;Fougner;Acta Vet. Scand.,1987
3. Measurement of electrical resistance of the vaginal smear/mucous membrane in the blue fox (Alopexlagopus) and the silver fox (Vulpesargenteus) as an aid in heat detection;Møller;Scientifur,1980
4. Intrauterine insemination with frozen semen in the blue fox;Fougner;Nord. Vet. Med.,1973
5. Studies on Cryopreservation of Fox Spermatozoa and Evaluation of the Fertilizing Capacity of Frozen-Thawed Silver Fox Spermatozoa;Hofmo,1988