Cryopreservation of Canine Embryos and Resulting Pregnancies

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The assisted reproductive techniques used in dogs have strictly limited utility when compared with other mammals. Although successful somatic cell cloning has been reported, artificial insemination by frozen semen has been only readily available method for improved breeding for companion and working dogs. Recently, successful cryopreservation of embryos and subsequent embryo transfer with a non-surgical technique in dog was reported. Application of embryo cryopreservation and transfer technology could contribute to breeding management in companion dogs, working dogs including guide dogs and drug-detecting dogs and quarantine dogs. Such technology would also facilitate the transportation and storage of genetic materials and aid in the elimination of vertically transmitting diseases in the dog.

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