1、

The freezing extender and thawing solution and the operation procedure, were made, survival rate was 0. 5, conception rate was 70. 59% for one estrous cycle, litter size was 8. 34-9. 73.

研制优选出的冷冻、解冻稀释保护液及成套冷冻技术操作程序、其冻精活率0.5左右、情期受胎率70.59%,窝产仔8.34~9.73头。

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2、

Effects of ob Gene on Litter Size in Sw in e

ob基因对猪产仔数遗传效应的研究

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3、

Litter Size and Related Life History Characteristics in Rodents

啮齿动物胎仔数与生活史变量的关系

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4、

The affinity of reproductive performances, namely litter size, alive-litter size, pigs at weaning, individual weaning weight and litter weight at weaning of Landrace, Harbin White and Black Pied were compared.

本文对长白猪、哈白猪、黑花猪三品种的产仔数、产活数、成活数、断奶重、断奶窝重等繁殖性状进行了配合力的测定。

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5、

Polymorphism of BMPR-IB gene and its relationship to litter size and growth and development in Chinese Merino meat-Prolificacy strain

绵羊BMP-RIB基因多态性及其与中国美利奴肉用多胎品系产羔数和生长发育的相关性

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6、

Effect of Different Months on Litter Size and Live Piglet Percent of Sows

不同月份对母猪产仔及活仔率的影响

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7、

Estimation of Phenotypic and Genetic Parameters for Litter Size in Pigs

猪窝产仔数的表型和遗传参数估计

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8、

The purpose of this paper is to find genetic markers affecting litter size with modern molecular biotechnology, thus to provide some bases for using marker assisted selection ( MAS) to develop pig breeds or lines with high reproductive efficiency.

本项研究目的就是利用现代分子技术寻找影响猪产仔数的标记基因座,为应用标记辅助选择培育高繁殖率猪的品种或品系提供依据。

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9、

The total pregnant rate of the three years was 29.2%. The mean litter size was 5.13 ± 0.12.The mean nest size was 4.33 ± 0.27.The fecundity of the voles'increased with the increase of age.

3年合计总怀孕率为29.2%.平均胎仔数(x±SE)为5.13±0.12只,平均窝仔数4.60±0.27只,雌鼠和雄鼠的繁殖强度随年龄增长而递增。

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10、

Effect of gene Bcu ⅰ polymorphism of bone morphogenetic protein-15 on the litter size of pigs

骨形成蛋白15基因BcuⅠ多态性对猪产仔性能的影响

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11、

for the litter size, variance components of maternal gametic effects were about twice than that of paternal gametic effects.

而在产羔数上,母系印迹效应方差大约是父系印迹效应方差的两倍。

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12、

mtgsam was used in gametic imprinting effect analysis of two traits for matou goats: body weight and litter size.

采用MTGSAM软件对马头山羊体重和产羔数两个性状进行配子印迹效应分析。

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13、

studies on genetic polymorphism of microsatellite loci linked to fecb gene in small tail han sheep and their correlation to litter size

FecB基因连锁微卫星在小尾寒羊中的多态性及其与产羔数的相关性

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14、

Crossbred Duroc was not better than pure ones for litter size at birth.

系间杂交公猪所配母猪的产仔数也与纯系所配母猪的产仔数相近.

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15、

ESR gene had no significant effects on litter size traits in this analysis.

ESR基因与头胎产仔数性状的关联分析未达显著水平。

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16、

Path Analysis About Litter Sizes to Body Weight and Body Size in the Primiparous Dazu Black Ewes

大足黑山羊初产母羊产羔数与体重体尺通径分析

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17、

The differences of LSM for litter size of KK, KL and LL were nonsignificant ( P> 0.05) in Small Tail Han sheep.

小尾寒羊KK、KL和LL基因型之间产羔数的最小二乘均值差异均不显著(P>0.05)。

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18、

In the breeding, selection of the combined genotype AAAA will further improve the litter size of Laiwu black pigs.

在育种实践中,选择AAAA合并基因型可进一步提高莱芜黑猪的繁殖性能。

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19、

Breeding period to the islands on the litter size.

繁殖时期到海岛上产仔.

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20、

Pig is prolific livestock. The average litter size of the pluriparous sows is about 10-11.

猪是多产家畜, 经产母猪平均产仔数可达10~11头.

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