1) Genetic trend
种值遗传进展
2) Breeding value
育种值
1.
According to the principle of best linear unbiased prediction (BLUP), the weaning weight data of 4 610 sheep, had been collected from the year 2000 to 2003 at Huangchen sheep farm in Gansu province ,to sift a single trait animal model that can predict breeding value of stud ram under specially ecological condition of the northwest of China.
本研究根据BLUP原理,利用甘肃省皇城种羊场2000-2003年共4 610只绵羊的断乳重数据资料,筛选出在西北生态条件下,估测肉用种羊育种值的单性状动物模型y=Xb+ Za+Wm+Sl+e。
2.
The effects of farm, year, season, lactation order and indivadual breeding value on these records were statistically investigated at the same time by an animal model.
在模型中考虑的效应包括牛场、年度、季节、胎次、个体的育种值等 ,其中每年的季节是根据武汉市的特点 ,划分为 3个阶段。
3) breeding values
育种值
1.
Genetic parameters,breeding values and maternal effects values of reproductive performance traits in Beijing ducks were estimated in this paper using animal model and MTDFREML.
采用动物模型和MTDFREML软件计算北京鸭繁殖性能性状的遗传参数、育种值和母体效应,结果表明:(1)北京鸭产蛋量的变异较大。
4) realized breeding value
现实育种值
5) Estimated Breeding Value
估计育种值
1.
Study on Polymorphism of PIT-1 Gene and the Relationship between the Genotypes of PIT-1 Gene and the Estimated Breeding Value;
Pit-1基因在荷斯坦奶牛中的多态性及其与估计育种值的相关性研究
2.
In order to remove disadvantages by missing data in estimated breeding value, comparing with accuracy .
本文针对绒山羊生产性能记录中缺失值对估计育种值的不利影响,对育种实践中缺失值的传统处理方法和填补方法进行处理后估计育种值的准确性进行了比较,提出应用多重填补(PROC MI)方法处理缺失值并且对缺失值对估计育种值准确性的影响展开研究。
6) estimation of breeding value
育种值估算
参考词条
补充资料：遗传性低丙种球蛋白血症
遗传性低丙种球蛋白血症
由于遗传机制缺陷而发生的低丙种球蛋白血症。包括出生后头两年发生的*婴儿伴性低丙种球蛋白血症和成年期出现的*常染色体隐性型低丙种球蛋白血症。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。