Genetic and breeding studies on crossbreds between local Black-and-White and Holstein-Friesian cattle. Pt. 1. Genetic structure of herds
1993
Filistowicz, A. | Juszczak, J. | Szyszkowski, L. | Kuczaj, M. (Akademia Rolnicza, Wroclaw (Poland))
The genetic structure of 46 dairy cattle herds in Poland was determinated. The correlation coefficients within herd-year groups and between sires were estimated. Changes of number of different genotype crossbred cows in herds during 3 years were analysed. Effect of the genetic structure of the herd on the milk production level in heifers was stated
显示更多 [+] 显示较少 [-]AGROVOC关键词
书目信息
页码
pp. 11-18
其它主题
Parametros geneticos; Parametre genetique; Variacion genetica; Genisse; Variation genetique; Genotype
语言
抛光
注释
5 tables; 6 ref. Summary (En)
类型
Summary
1993-08-15
AGRIS AP