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The main research objective was to study the influence of the hoof shape, hardness and elasticity of the hoofed horn on the cows' productive use period duration in modern dairy complexes. The research object was black-motley cows, rejected due to limb disease. The shape of the hoof is divided into normal, with angle of 45-55о, sharp – less than 45о and obtuse – more than 55о. In the group of retired cows with the correct shape, there was 76% of animals. Studies have shown that 55.2% of cows haddoi:10.1051/e3sconf/202017503021 fatcat:tiywdcgqczcypfhearnbwifzaq