Cryogenics as a Tool for Genetic Conservation of Aquatic Species
IAAAM Archive
William R. Wayman1; Robert S. Bakal2
1U.S. Fish and Wildlife Service, Warm Springs Regional Fish Technology Center, Warm Springs, GA, USA; 2U.S. Fish and Wildlife Service, Warm Springs Regional Fish Health Center, Warm Springs, GA, USA


As populations of fish continue to decline due to overfishing, habitat alteration, and pollution, valuable genetic resources are being lost. Cryopreservation of sperm is a tool that can allow us to conserve these resources before they are lost. Cryopreservation is a process in which a living cell is frozen, stored, and thawed and remains viable.

Cryopreserved sperm allows spawning to take place whenever females are ready, reduces the need to hold males, and can increase flexibility and genetic diversity in spawning protocols.

Currently, the Warm Springs Fish Technology Center has worked with 14 species of fish; of these three are threatened or endangered. Plans are being made to continue working with endangered fishes, but also to begin working with freshwater mussels and other threatened and endangered aquatic species.

Speaker Information
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Robert S. Bakal
North Carolina State University, College of Veterinary Medicine
Raleigh, NC, USA

William R. Wayman

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