EN
The aim of this research is to analyse the changeability of features in chinchillas (Chinchilla veligera M.) according to the animals' country of origin, sex and the year of evaluation. The research was based on the data taken from the breeding farm within the four-year period (1995-1998). In 1998 there were about 60 females of the basic herd. The breeding was conducted in polygamous system (1 male and 4 females).