1) number of littermate
窝产活仔猪数
1.
Correlation analysis among number of littermate, weight at birth,weight at ablactating in Landrace Pigs;
测定西北农林科技大学教学试验农场种猪场健康、繁殖正常的147头长白母猪的窝产活仔猪数(X)、初生窝重(y1)、断奶窝重(y2),分别按照窝产活仔猪数分组进行方差分析和性状间的相关回归分析。
3) number of piglets per litter
每窝产仔猪数
4) the number of live births
窝均产活仔数
1.
The correlation coefficients between PE and litter size,the number of live births were 0.
收集了1 059胎次的长白、大白、杜洛克、大花白和蓝塘猪5个品种母猪的胎盘效率,分析了胎盘效率与窝均总产仔数、窝均产活仔数的相关关系,估计了胎盘效率的遗传力。
5) average born alive
窝平产活仔数
6) litter size
窝产仔数
1.
This paper discussed the physiology mechanism of prolificacy and reviewed the reasons and effectiveness of using placental efficiency as a selection tool for litter size and the relationship between placental efficiency and growth traits in pigs.
本文综述了猪高繁殖力的生理机制研究进展 ,对近年来关于猪胎盘效率与产仔数关系以及胎盘效率与生产性状间的关系研究进行了详细描述 ,从胎盘效率这一综合指标探讨猪高繁殖力的生理基础 ,目前的研究结果表明 ,基于胎盘效率的选择是提高猪的窝产仔数行之有效的方
2.
The results of variance analysis indicated that litter size had extremely significant difference between populations,which showed that various populations had different genetic structure.
对二花脸猪、大白猪及其杂交一代和回交一代 4个群体共计 2 0 10窝产仔数的资料进行了加性—显性遗传模型以及基因效应的研究。
3.
The relationship between placental efficiency and litter size, the number of live births, the number of stillborn , the mummified fetuses, litter weight at birth were compared.
研究结果表明: 1、在窝产仔数和产活仔数方面,低胎盘效率组(H_3)长大二元杂母猪的窝总产仔数极显著地低于中等胎盘效率组(H_2)和高胎盘效率组(H_1)(P<0。
补充资料：活产
活产
活产指胎龄满28周或体重达1000g，或超过此胎龄(孕期)或体重的胎儿，不论是自然产或手术产，当胎儿全身脱离母体，不论是否断脐或胎盘是否剥离，凡小儿有生命现象(呼吸、心跳、脐血管搏动、随意肌收缩)之一者称活产。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条