Bos taurus

Type and Frequency of Ag-NORs Combination of Cattle ( Bos taurus) Breeds in China

黄牛Ag-NOR染色体联合的类型和频率

Bos taurus, cattle, cows, kine, livestock, oxen.

家养牲畜，家畜，牛。

And Bos indicus and Bos taurus were the primarily bloods of Yunnan yellow cattle, while Wenshan yellow cattle, mainly coming from Bos indicus origin, has a nearer relationship with southwest asia cattle;

证实云南古代的热带丛林地区为黄牛驯化地之一，瘤牛和普通黄牛是云南黄牛的基本来源，文山黄牛主要起源于瘤牛，与东南亚黄牛有较近的亲缘关系。

Qinchuan cattle had 25.8 % Bos Indicus male origin and 74.2 % Bos Taurus male origin.

秦川牛父系起源中:瘤牛占25.8%,普通牛占74.2%.

Molecular tree basing on GH gene coding sequence showed that swamp buffalo and water buffalo clustered and there was obvious differentiation between these two buffalo together with very obvious differentiation between these two buffalos and Bos taurus, Bos indicus, Bos grunniens, Bos frontalis.

基于GH基因编码区序列构建的分子进化树分析表明，沼泽型水牛与河流型水牛聚为一类，它们与普通牛、瘤牛、牦牛以及大额牛之间的遗传分化已经十分明显。

The Bos taurus HCBP 6 full length coding sequence has been finished by homologous searching.

根据基因同源性搜索,获得了来源于牛的EST基因序列片段,最终确立了牛HCBP6的同源基因.

No complete differentiation appeared among Bos taurus, Bos indicus, Bos grunniens, Bos frontalis and no shared nucleotide sequence among them.

普通牛、瘤牛、牦牛、大额牛序列间没有显示出完全的分化，它们也没有共同拥有相同的核苷酸序列。

Nine mutations including 12 bp duplication , GGCATTGCCCGG encoding Gly-He-Ala-Arg were found in Bos Taurus.

在牛中发现9个突变, 其中包括编码Gly-Ile-Ala-Arg的GGCATTGCCCGG( 12bp)重复单位.

Cloning of the rRNA Genes and Construction of the Multiple Locus Gene Targeting Vector of Bos Taurus

奶牛rRNA基因的克隆及多位点基因打靶载体的构建