这个养殖场整理引进几百只来航鸡。
This aquatic breeding farm is going to introduce hundreds of Leghornos.
所以他们发现有一种白色的来航鸡几乎是完美的。
So they found that the white leghorn was nearly perfect for that.
来航鸡、仙居鸡、隐性白羽鸡的 B-G基因存在丰富的多态性；
This method provided abundant B-G genotypes in the chickens, such as recessive white chicken, Xianju chicken, Leghorns chicken.
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