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[Successful use of deep-frozen stallion sperm after 23 years of storage at -196 degrees C]
1Klinik für Andrologie und Besamung, Haustiere der Tierärztlichen Hochschule, Hannover.
DTW. Deutsche Tierarztliche Wochenschrift
|December 1, 1990
Abstract:
A reduction in the motility of the spermatozoa in stallion semen stored in pellet form for 23 years in liquid nitrogen at -196 degrees C could not be seen after thawing. The insemination of a mare with this semen resulted in a normal pregnancy. A normally developed, healthy male foal was born after a gestational period of 321 days.