Birth of a chimpanzee (Pan troglodytes) after artificial insemination with cryopreserved epididymal spermatozoa collected postmortem

Abstract A male chimpanzee (Pan troglodytes) suddenly died of acute hemorrhagic enteritis at the age of 18 years. Within 24 hours after its death, a large quantity of spermatozoa of excellent quality was recovered from the distal cauda epididymides and was subsequently cryopreserved. After storage for 67 days, the frozen spermatozoa were thawed and inseminated […]