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Effect of the application of bioplexes of zinc, copper and manganese on milk quality and composition of milk and colostrum and some indices of the blood metabolic profile of cows

Author

Listed:
  • S. Kinal

    (Department of Animal Nutrition and Feed Quality, Agricultural University of Wroclaw, Wroclaw, Poland)

  • A. Korniewicz

    (Department of Animal Nutrition and Feed Quality, Agricultural University of Wroclaw, Wroclaw, Poland)

  • M. Słupczyńska

    (Department of Animal Nutrition and Feed Quality, Agricultural University of Wroclaw, Wroclaw, Poland)

  • R. Bodarski

    (Department of Animal Nutrition and Feed Quality, Agricultural University of Wroclaw, Wroclaw, Poland)

  • D. Korniewicz

    (Department of Animal Nutrition and Feed Quality, Agricultural University of Wroclaw, Wroclaw, Poland)

  • B. Čermák

    (Department of Genetic, Breeding and Animal Nutrition, University of South Bohemia, České Budějovice, Czech Republic)

Abstract

The object of an experiment was inorganic and organic forms of zinc, copper and manganese applied in mineral mixtures to dairy cows. The experiment was carried out on 90 cows with average milk yield for previous lactation of about 9 500 kg milk. The cows received mineral mixtures containing inorganic or organic forms of zinc, copper and manganese for 6 weeks before calving and during the first three months of lactation. The application of microelements as bioplexes in amounts covering 30% of daily requirements of cows had a positive effect on an increase in colostrum dry matter content from 20.9 to 23.35% as well as on the concentration of protein and fat, and the level of minerals - calcium, phosphorus, magnesium, zinc and copper. In cows' milk in the 2nd and 3rd month of lactation there were no differences in contents of minerals. However in the blood serum of cows in the 1st and 2nd month of lactation an increase in calcium concentration from 1.96 to 2.14 g/kg was observed while the content of phosphorus also increased average from 1.76 to 2.22 g/kg in the first trimester of lactation.

Suggested Citation

  • S. Kinal & A. Korniewicz & M. Słupczyńska & R. Bodarski & D. Korniewicz & B. Čermák, 2007. "Effect of the application of bioplexes of zinc, copper and manganese on milk quality and composition of milk and colostrum and some indices of the blood metabolic profile of cows," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 52(12), pages 423-429.
    • Handle: RePEc:caa:jnlcjs:v:52:y:2007:i:12:id:2338-cjas
    DOI: 10.17221/2338-CJAS
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