So we cannot breed a good breed with advantage of crossbreed.
本文作者从品种的系统选育角度,分析了这一地方鸭种资源的选育价值.
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English breed of compact domestic fowl ; raised primarily to crossbreed to produce roasters.
英国品种的小家禽; 主要用于杂交产生适合烤的家禽.
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"a mule is a cross between a horse and a donkey"
"cross a horse and a donkey"
"Mendel tried crossbreeding"
"these species do not interbreed"
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