本文对比研究了鸡人工孵化中变温给温和恒温给温的孵化效果。 表明恒温孵化的孵化率为87 12 % ，变温孵化的孵化率为89 57%。

The study showed that hatchability of constant temperature of spermatiation eggs were 87.12%, of the change temperature were 89.57%.

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本文对比研究了鸡人工孵化中变温给温和恒温给温的孵化效果。 表明恒温孵化的孵化率为87 12 % ，变温孵化的孵化率为89 57%。

The study showed that hatchability of constant temperature of spermatiation eggs were 87.12%, of the change temperature were 89.57%.

youdao