• 抗冻性 - 引用次数：4

  Fertility of No.2 drake was 0. The results showed that there was significant individual difference in freezability of drake semen.

  结果表明公鸭个体在精子抗冻性方面存在着显著差异。

  参考来源 - 鸭精液冷冻保存技术研究
• 使定格
  定格，保持不动
• 用冷冻法麻醉，凝冻
• (因缺少润滑油或部件的膨胀)卡滞：

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