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The aim of the paper was to determine the effect of feeding heifers with feedstuffs obtained from feed crops used in summer and winter feeding on the rate of weight gain, feedstuff utilization, some reproduction indices and on primipara milk yield. The results show that an increased level of heifer feeding by about 15% had a favourable effect on: - higher weight gains of 3-7 month-old heifers by about...
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