FIELD: artificial insemination of farm animals, in particular, selection of sheep subjected to artificial insemination by marking with different dyeing compositions. SUBSTANCE: neutral lanolin is introduced into known receipt, since lanolin has higher melting temperature (36-40 C) as compared to wool fat. Stabilizing additives such as salol and butyl oxyonizol are introduced into composition as protective components against sun rays and environmental effects to impart photoprotective and antioxidizing properties. EFFECT: increased efficiency in marking farm animals and improved washing out of composition during wool washing. 1 tbl
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