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The aim of the study was to determine the effect of melatonin treatment on the general state of health, skins, and fur quality of minks. The research was conducted on a farm consisting of 2500 minks of the basic pack and 12000 young minks. The experimental group contained 300 minks of the basic pack. In the middle of June an implant of synthetic melatonin (6 mg of Melakryl, produced in Russia) was...
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