The results showed that the heritable ratio of single and double comb type of silkies was in line with other chicken breeds.Single comb type had higher performance in all production trait than double.

• 表明乌骨鸡单冠比例与其他鸡品种的冠型遗传规律相一致，单冠鸡各项生产指标与生活力均优于复冠鸡。