大约克猪

大约克猪和二花脸猪脾脏中IGF－1受体帆NA水平在出生时均相对较高，随后呈平稳变化趋势，总体上与脾脏IL刁水平发育变化相似。

IGF-1R mRNA abundance hi spleens was higher at birth , subsequently , remained relatively stable levels in both EHL and LW pigs .

采用PCR-RFLP方法对61头长白猪、56头大约克猪和30头杜洛克猪进行了氟烷基因型检测。

Halothane genotypes of 61 Landrace , 56 Large white and 30 Duroc were determined by PCR RFLP .

Ractopamine对大约克猪蛋白质和脂肪代谢的影响

Effects of Ractopamine on Adipose and Protein Metabolism in Finishing Yorkshire Swine

杜洛克和大约克猪体重和体尺性状间典型相关分析

Canonical Correlation Analysis of Body Weight and Body Measurement Traits in Duroc and Yorkshire

新美系大约克猪的生长规律及上市屠宰体重的优化

Growth rule of offspring of newly imported Yorkshire from U.S.A and optimization of their slaughter weights

杜洛克、长白、大约克猪生长和肉用性状的杂交参数估计

Estimation of Crossbreeding Parameters of Growth and Meat Production Traits in Crosses of Duroc , Landrace and Large Yorkshire

本研究以生长速度慢的二花脸猪和生长速度快的大约克猪为实验动物模型，分析了体重增长和脾脏增重的品种和性别之间差异。

Slowly-growing Erhualian ( EHL ) pigs and fast-growing Large White ( LW ) pigs were used as experimental animal models to analyse the relationship of spleen development and somatotropic axis hormones in the present study .

从出生到180日龄，二花脸猪体重均显著低于大约克猪。大约克和二花脸猪脾脏绝对重量均随日龄而增长；

From day0 to day180 , the body weight ( BW ) of EHL was significantly lower than that of LW , and the spleen weight increased from day0 to day180 both in EHL and LW .

香猪PIT-1基因及GH、PRL、TSH-β基因的表达水平均明显低于上海白猪和大约克夏猪。

The expression quantity of PIT-1 , GH , PRL and TSH - β gene in Xiang pig was significantly less than both Shanghai White pig and Yorkshire pig .

对香猪、上海白猪、大约克夏猪的垂体特异性转录因子（PIT-1）基因进行了单核苷酸多态性（SNP）分析。

The single nucleotide polymorphisms ( SNP ) of pituitary specific transcription factor 1 ( PIT-1 ) gene was analyzed in Xiang pig , Shanghai White pig and Yorkshire pig .

香猪PIT-1基因表达水平显著低于上海白猪和大约克夏猪（P<0.05）。

In other hand , the expression of PIT 1 gene mRNA in Xiang Pig was significantly weaker than that in Shanghai White and Yorkshire ( P < 0.05 ) .

本试验研究了大约克夏猪的磷酸肌酸激酶（CPK）、乳酸脱氢酶（LDH）和碱性磷酸酶（AKP）与其耐热、耐粗饲性能的关系，探讨了血清酶活力在猪的生产和育种中的应用。

This experiment studies the relationship of the motility of creatine phosphate kinase , lactic dehydrogenase and isoenzyme of alkaline phosphatase in the serum of the Yorkshires with its heat-resistance and roughage-resistance . It also discusses the application of serum motility to pig production and breeding .

不同的饲养技术对大约克夏猪生产性能的影响

Effect of different Raising Technology on Performance of Large White

大约克夏猪和长白猪肢蹄结实度的遗传分析

Genetic analysis of foot and leg soundness in Landrace swine and large white

提高大约克夏猪生产性能的选育研究

Enhancing the Reproductive Performance of Large Yorkshire Swines

氟烷基因在四川省大约克夏猪中的分布

The Distribution of Halothane Gene in Sichuan Yorkshire

大约克夏猪繁殖与生长发育性状遗传参数的估测研究

Study on the Estimation of Genetic Parameters of the Reproductivity and growth-development Traits in Yorkshire

这表明，开放式群体选育能提高大约克夏猪的生产性能。

This indicates that the productive performance of Large-Yorkshire can be increased by opened herd breeding .

把兰开夏郡与约克夏郡分开的山脉叫宾南山脉。提高大约克夏猪生产性能的选育研究

The hills that separate Lancashire from Yorkshire are called the Pennines . Enhancing the Reproductive Performance of Large Yorkshire Swines

结果表明：英系大约克夏猪的日增重及料重比，分别比英加系杂交猪高8.5个百分点和低5个百分点；

The result indicated that the daily gain of purebred Yorkshire is 8 . 5 % higher than that of Yorkshire crosses , while the gain feed ratio is 21 % lower than that of Yorkshire crosses .

杜洛克、长白和大约克夏纯种猪微卫星多态性分析

Analysis of Genetic Polymorphism in Duroc , Landrace and Yorkshire Pigs Using Microsatellite Markers