Abstract
Transplantation of ovarian tissue between different breeds of chickens or Japanese quail can result in normal egg production and give rise to donor-derived offspring with a high frequency. The feasibility of interspecific ovarian transplantation was evaluated by transplanting ovarian tissue from Muscovy ducks to Pekin ducks just after hatch, with subsequent treatment of the recipients with an immunosuppressant. Among the 8 mature Pekin ducks that had received ovarian tissue from Muscovy ducklings, 2 produced fertile eggs when mated with Muscovy drakes, and one of these produced only Muscovy ducks, which were derived from the transplanted Muscovy ovary. The other produced mule ducks that were hybrids of the host Pekin duck and the Muscovy drake. Further development of interspecific transplantation of ovaries may provide a simple method for the conservation and propagation of endangered birds.
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