September 25, 2025Science LettersOpen Access

Preliminary Study on Cryopreservation of Local Chicken Spermatozoa in Liquid Nitrogen

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Sperm motility and concentration decreased over three weeks during cryopreservation.
Initially, fresh sperm had 70% motility and 1.79×10^9 spermatozoa/ml concentration.
Yolk-based agents, particularly with Ginzburg fish ringer, showed the best cryoprotective effects.
Quail egg yolk demonstrated superior properties for long-term storage compared to other agents.

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This preliminary study investigates cryopreservation efficacy of local chicken spermatozoa, suggesting quail egg yolk may enhance preservation.

A 2025 study studied this question.

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This preliminary study investigates cryopreservation efficacy of local chicken spermatozoa, suggesting quail egg yolk may enhance preservation.