Consumer interest and demand for new objects of fur farming products increases, among which a special place is occupied by various hybrids. When hybridization is carried out on an industrial scale, you can get amazingly beautiful, unique animals, such as fox-and-polar fox hybrids. At present white, blue and veil Arctic foxes are crossed with red, silver-black and other foxes. Depending on the selection of pairs and their inherited inborn qualities, offspring are obtained with skins of a wide range of colors, including original colors, which are several times more expensive than the original forms and are in high demand on the world fur market. The results of the study on commercial properties of fox-and-polar fox hybrid skins of the color types Sapphire Frost, Sapphire Gold Fox, Golden Island Shadow, Blue Frost Brown Type, sold at the Finnish fur auction Saga Furs are given in the article. The analysis of indicators of hair length of various categories, skin thickness, color and weight of fox-fox hybrid skins of various color types, depending on topographic areas: side, ridge and rump, is presented.

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The results of the study on indicators of some commercial properties and the assessment of the quality of farm male mink skins obtained from the animals with a various degree of intensity of eimeriosis invasion are given in the article. Eimeriosis invasion of male mink population is a vital reason for cessation of the growth of young mink and also their increased mortality and change in the quality of their hair-covering for the worse. The skins of male farm mink of the standard dark brown (SDB) color type with a various degree of invasion intensity were taken as materials for the investigations from the fur farm in Kaliningrad Region of the Northwestern District of the Russian Federation and were divided into four experimental groups. The first group of skins was obtained from clinically healthy animals, the second group of skins – from the sick ones with a weak degree of invasion intensity, the third group of skins – from the sick mink diseased with eimeriosis of a medium degree of invasion intensity, the fourth group of skins – from the mink with eimeriosis of a high degree of invasion intensity. The analysis of the results of the study on the indicators of natural and true hair length and thickness and height of the hair-covering, size of male mink skins with a various degree of invasion is presented in the article.

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