Breeding and Genetics: Dairy Crossbreeding and Breeding Objectives.

Presents abstracts of research on dairy crossbreeding. "Comparison of the Fertility of Pure Holstein Sires and F1 Jersey x Holstein Sires Mated to Pure Holstein Cows in an Experimental Herd," by K. Weigel and C. Maltecca; "Effect of Holstein Females Carrying Holstein Versus Jersey Sired Calves on Subsequent MEMilk, Days Open and Involuntary Culling," by A. J. Seykora et al; "Overview of Different Breeding Objectives in Various Countries for Holsteins," by F. Miglior.