Evaluation of the results obtained from crossbreeding Jersey Danish Red, Belgian Red and Black-and-White cattle on the basis of double-, triple- and multibreed crosses. 3. Milk utility and fertility of triple- and multibreed crosses
1985
Goszczynski, J. (Polska Akademia Nauk, Popielno (Poland). Inst. Genetyki i Hodowli Zwierzat. Zaklad Doswiadczalny)
The milk utility, technological value of milk, milking ability and fertility of crossbred cows were estimated. Using bulls of triple breed crosses for mating with Black-and-White cows made it possible to obtain a group of progeny with favourable dairy traits and a satisfactory fat content. The aim of the investigation, an attempt at utilizing the heterosis of basic cattle utility traits as results of crossing many breeds was clearly obtained in the group of multibreed crosses
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书目信息
期
34
ISSN
0137-1649
页码
pp. 61-75
其它主题
Teneur en proteines; Performance de reproduction/ rendement; Reproductividad/ rendimiento; Contenido de lipidos; Ordeno; Traite; Fecondite
语言
抛光
注释
27 ref. Summaries (En, Ru)
类型
Bibliography; Summary
1986-08-15
AGRIS AP