北山羊

北山羊与石山羊有较远的亲缘关系。

The ibex is a distant relative of the mountain goat .

岩羊（Pseudoisnayaur）和北山羊（Caprasibirica）作为全球濒危物种雪豹（Unciauncia）的主要捕食动物，同时也是重要的国际狩猎物种，其种群数量及分布特征一直是人们比较关注的问题。

As the main prey of endangered Snow leopard ( Uncia uncia ) and the important international hunting species of China , the population and distribution of Blue sheep ( Pseudois nayaur ) and Ibex ( Capra sibirica ) has always been more concern .

山羊和北山羊的染色体均为60条，且均为端着丝粒染色体；

The number of the chromosomes 2n = 60 in goat and Capra ibex , All of the chromosomes were acrocentric chromosomes .

所建北山羊和山羊成纤维细胞系开始生长缓慢、后期生长接触抑制，属于正常细胞；

The cell lines of goat and Capra ibex were normal cells because they grown slowly at beginning and then had contact inhibition .

有超过60幅的图画，用简单而自信的线条勾勒出了猛犸象、马匹和北山羊，无不展现了惊人的艺术天赋。

More than 60 images of mammoths , horses and ibex were outlined , each animal depicted in simple , confident lines that reveal startling artistic talent .