陕北白绒山羊多绒型变异个体的遗传性能稳定，外观特征如绒球状，在不同群体间出现的比例平均为5.6%。

The genetic character of Shanbei white many-cashmere goat is stable. The appearance is like a ball shape. The mean proportion in the different population is 5.6%.

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母性能力有很强的遗传性，但是其他因素也对母性有同样的影响。

Mothering ability has a strong hereditary aspect, but other factors exert influence as well.

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