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- The Han sheep had the highest ADG and RGR, and Mongolia sheep had the lowest. 3个绵羊品种相比,小尾寒羊的平均日增质量和相对生长速率均最高,蒙古羊的均最低。
- The polymorphism of GDF9 gene in Small Tail Han sheep,Hu sheep,Dorset sheep and Suffolk sheep was analyzed by PCR SSCP. 采用PCR SSCP技术分析了GDF9基因在小尾寒羊、湖羊、多赛特羊和萨福克羊 4个绵羊品种的多态性。
- The genetic variability of Dorset is the highest, and Small Tail Han Sheep is the lowest in five sheep breeds. 从不同品种看,道赛特羊的遗传变异程度最大,而小尾寒羊的遗传变异程度相对较小;
- The behavior of Tan Sheep, Han Sheep, Texel, Dorset, Suffolk, were observed in Helansan Farm of Ningxia Agriculture in 24h. 针对宁夏农垦贺兰山农牧场种羊场舍饲的滩羊、小尾寒羊、特克萨尔羊、萨福克羊、无角道赛特羊,分品种进行24h行为规律观察。
- The polymorphism of exon 1 of myogenin (MYOG) gene in Small Tail Han sheep, Hu sheep, Dorset sheep and Suffolk sheep was analyzed by PCR-SSCP. 采用PCR-SSCP技术分析了肌细胞生成素(myogenin,MYOG)基因外显子1在小尾寒羊、湖羊、多赛特羊和萨福克羊4个绵羊品种中的多态性。
- The differences of least squares mean (LSM) for litter size of AA, AB and BB were nonsignificant (P >0.05) in Small Tail Han sheep. 小尾寒羊AA、AB和BB基因型之间产羔数的最小二乘均值差异都不显著(P>0.;05)。
- The polymorphism of GDF9 gene in Small Tail Han sheep, Hu sheep,Dorset sheep and Suffolk sheep was analyzed by PCR-SSCP. 采用PCR-SSCP技术分析了GDF9基因在小尾寒羊、湖羊、多赛特羊和萨福克羊4个绵羊品种的多态性。
- Ru sheep, Tong sheep, Small Tailed Han sheep and Tan sheep were decreasingly affected by the bloodline of Mongolian sheep. (3)前人关于小尾寒羊、滩羊由蒙古羊分化而来的考证得到遗传学实验的进一步证明,湖羊、同羊、小尾寒羊和滩羊受蒙古羊血统的影响递减。
- The PTGS2 genotype distributions were significantly different (P<0.05) among Small Tail Han sheep and Dorset, Suffolk, Hu sheep. 小尾寒羊与多赛特羊、萨福克羊、湖羊之间PTGS2基因型分布差异显著(P<0.;05),其余品种之间PTGS2基因型分布差异都不显著(P>0
- The ewes with heterozygous mutant AB had 0.62 (P<0.01) lambs more than those with wild homozygous type AA in Small Tail Han sheep. 突变杂合基因型(AB)小尾寒羊平均产羔数比野生纯合基因型(AA)多0.;62只(P<0
- Small Tail Han sheep rearing purebred years amounted to 18,000, the masses of migrants in order to catch a fairly well-offhan yang . 纯种小尾寒羊年饲养量达到1.;8万只,移民群众赶着寒羊奔小康。
- The polymorphism of exon 2 and partial sequence of exon 1 of gonadotropin releasing hormone receptor(GnRHR) gene in Small Tail Han sheep and Dorset sheep was analyzed by PCR-SSCP. 采用PCR-SSCP技术,用两对引物分析了GnRHR基因外显子2和外显子1部分序列在小尾寒羊、多赛特羊2个绵羊品种中的多态性。
- AMY was monomorphic in Small tailed Han sheep, Tan sheep, Gansu Alpine Merino and was polymorphisms in Qinghai Merino, Tibetan sheep in Gasu, Tibetan sheep in Qinghai. AMY在小尾寒羊、甘肃高山细毛羊、滩羊中呈单态,在青海细毛羊、青海藏羊、甘肃藏羊中存在多态性;
- There were 2 missense mutations between yak and Chinese Simmental, 5 between yak and mall-tail Han sheep, more than that between yak and Chinese Simmental. 牦牛序列与小尾寒羊序列有5处错义突变,错义突变位点数多于中国西门塔尔牛与小尾寒羊序列间的错义突变位点数。
- DNA tests in Hu sheep and Han sheep (small tail) showed the existence of Booroola (FecB) mutation.Journal of Nanjing Agricultural University,2003,26(1):104-106. DNA分析发现我国湖羊和小尾寒羊存在Booroola(FecB)多胎基因.;南京农业大学学报;2003;26(1):104-106
- Missense mutation led to amino acid substitute at 660th locus, namely, serine which could be phosphorylated of yak and Chinese Simmental substitute to phenylalanine of small-tail Han sheep. 错义突变导致的第660位点氨基酸替换,牦牛和中国西门塔尔牛以可磷酸化的丝氨酸替代了小尾寒羊的苯丙氨酸。
- The perfect project for New Mutton Sheep Breed in the north of China at Microsatellite DNA molecular level is that using Poll Dorset as male parent and SmallTail Han sheep and Mongolian sheep as female parent. 从微卫星DNA分子水平进一步说明在北方肉用绵羊新品种培育中,用无角陶赛特羊作为主选父本,小尾寒羊和蒙古羊为主选母本的杂交组合是较为理想的选择,并为建立北方肉用绵羊新品种分子标记辅助选择技术体系打下坚实的基础。
- In Hu sheep,German Mutton Merino sheep,Small Tail Han sheep,Suffolk sheep and Dorset sheep,the frequency of allele A was 0.672,0.786,0.846,0.857 and 0.867,respectively,and the frequency of allele B was 0.328,0.214,0.154,0.143,and 0.133,respectively. 统计结果表明:湖羊、德国肉用美利奴羊、小尾寒羊、萨福克羊和多赛特羊A等位基因频率分别为0.;672、0
- The differences in exon 2 of MTNR1A gene between Small Tail Han sheep and Dorset sheep consisted of five nucleotide changes (C329T, G355T, C566T, C580A and A675G), and homology of nucleotide sequence was 99.4%. 小尾寒羊与多赛特羊MTNR1A基因外显子2的差异由5个变化的核苷酸(分别为C329T、G355T、C566T、C580A和A675G)组成;核苷酸同源性为99.;4%25。
- The ewes with mutation homozygous genotype BB or mutation heterozygous genotype AB had 1.45 (P <0.01) or 0.90 (P <0.01) lambs more than those with wild type AA in Small Tail Han sheep, respectively. 突变纯合型(BB)和突变杂合型(AB)小尾寒羊平均产羔数分别比野生型(AA)多1.;45只(P<0
