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Artificial insemination in Callithrix jacchus using fresh or cryopreserved sperm
J M Morrell1, R Nubbemeyer, M Heistermann
1Department of Reproductive Biology, German Primate Centre, Göttingen.
Animal Reproduction Science
|October 17, 1998
Summary
Artificial insemination protocols were developed for marmosets to aid conservation efforts. These techniques successfully produced offspring using both fresh and cryopreserved sperm, supporting captive breeding programs.
Area of Science:
- Reproductive Biology
- Primate Conservation
- Veterinary Science
Background:
- Endangered New World primate species require urgent captive breeding solutions.
- Effective genetic management of small primate colonies is crucial for conservation.
Purpose of the Study:
- To devise artificial insemination protocols for the common marmoset (Callithrix jacchus).
- To utilize both fresh and cryopreserved sperm for successful pregnancies.
- To support conservation and genetic management of marmoset populations.
Main Methods:
- Developed a double insemination protocol using fresh ejaculated sperm obtained via vaginal washing.
- Adapted the protocol to a triple insemination schedule for cryopreserved ejaculated sperm.
- Utilized a triple insemination protocol with low doses of cryopreserved epididymal sperm.
Main Results:
- All six females inseminated with fresh sperm became pregnant, yielding 16 offspring.
- Three of six females inseminated with cryopreserved ejaculated sperm conceived.
- One of six females inseminated with cryopreserved epididymal sperm conceived, delivering triplets.
Conclusions:
- Artificial insemination is a viable technique for common marmoset reproduction.
- The developed protocols can facilitate captive breeding and genetic management of marmosets.
- Cryopreserved sperm can be effectively used in artificial insemination for marmosets.