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Acetylurea as NPN source in comparison with urea and soya meal in dairy cows

, : Acetylurea as NPN source in comparison with urea and soya meal in dairy cows. Archiv fur Tierernahrung 23(1): 47-57

After habituation 30 cows, mostly German Black Pied and producing about 20 kg milk daily, were given for 84 days 1.1 kg soya bean oilmeal daily or, replacing 30% of the feed protein, 350 g acetylurea or 200 g urea. All had the same basal feed of lucerne hay, straw and fodder beet; the beet was replaced by maize silage from the fourth week. All groups had the same amounts of dried beet slices and green lucerne meal and 150 g minerals with 11% P daily or a special grazing mixture.


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