The Transgenic Core is a fee-for-service operation that provides services to all WSU investigators as well as outside institutions and investigators. Members of the Center for Reproductive Biology receive a 50% discount on all services. Services: Mouse husbandry, breeding and research development consultation embryo and sperm cryopreservation, strain rederivation as a means of strain rescue or pathogen/parasite eradication using fresh or frozen embryos, in vitro fertilization using fresh or frozen embryos/sperm