Abstrakt
The present work includes an analysis of the factors that influence animal size and fur quality traits (colour purity, colour type, fur quality and total score) in mink (Mustela vison Sch.). The research considered standard and pastel mink. 600 animals were evaluated over four years. The analyses of variance of the traits proved a statistically significant influence of the year, colour type and animal sex on the majority of the analysed traits. The interactions of the following factors: the year, colour type and animal sex were statistically significant only for some traits. Proportionally, the highest means characterised animal size (97–99%) and total score (96–97%). Coefficient of variability was the highest for animal size and fur quality (coat density and hair length) and ranged from 2 to 10%. The lowest values of variability coefficient were observed for total evaluation (from 2.3% to 3.7%). It proves that the animals characterized by high parameters in some traits had low parameters in the others. Consequently, total evaluation equalized the animal value. The animals of the analysed breeding farm were characterised by very high parameters of fur traits, which is proved by the global means (19.50 points) and by numerous prizes obtained by the animals on the national shows.
Bibliografia
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