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This study aims to optimize a semen cryopreservation protocol for Yan geese and establish a viable cryobank for genetic resource conservation.

August 9, 2026AnimalsOpen Access

Establishing a Semen Cryobank for Yan Goose: Optimized Collection and Cryopreservation

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This study aims to optimize a semen cryopreservation protocol for Yan geese and establish a viable cryobank for genetic resource conservation.
Optimized cryopreservation protocol using dimethylformamide as a cryoprotectant;
Evaluated factors including freezing rate, extender osmolality, and thawing rate;
Utilized teaser-induced semen collection with a 69.14% success rate.
DMF yielded a motility of frozen-thawed sperm at 34.17%, significantly higher than DMA's 24.17%, p < 0.05;
Achieved 1225 straws of frozen semen with 96.61% qualified;
Artificial insemination from banked semen resulted in a fertilization rate of 70.4% and hatchability of 86.8%.

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Randomized trial optimized semen cryopreservation in Yan geese, indicating a cost-effective conservation strategy.

Cao et al. (2026) studied this question.

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