Rederivation of mice and rats consists of a series of steps dependent on the strain reproductive characteristics and the number of breeders supplied. A time estimate of the rederivation process can be provided once the individual strain characteristics are known. Our standard method for rederivation is by embryo transfer. An indicative total cost can be based on receiving 3 pairs producing 5-6 pups per litter to build up the donor colony, 3 embryo transfer sessions, maintenance of the colony until health clearance, maintenance of rederived animals in isolators and a comprehensive health testing for delivery to the customer facility. The cost of expanding the colony to a size that can provide enough mice for the rederivation process is a component that is easily overlooked and can be substantial if the strain is a poor breeder.
The cost and timeline for the Cryopreservation of mouse embryos depends on the individual strain characteristics. A comprehensive quote based on the strain characteristics will be provided on request
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