Home – Home – Jornals – Contemporary Problems of Ecology 2002 number 6

Results of studies of the structure of the herd of Holsteinized black-spotted cattle with respect to stress resistence types and milk yield for cows of 4 stress resistence types in the time course of lactation periods across calving seasons are presented. A comparative analysis of the results of studies with respect to stress resistance with the data of other authors for various  cattle breeds has been made.