Journal of Food, Agriculture and Environment
Vol 5,
Issue 2,2007
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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The effectiveness of zinc, copper and manganese applied in organic forms in diets of high milk yielding cows*
Author(s):
Stefania Kinal 1**,
Daniel Korniewicz 2, Dorota Jamroz 1, Adolf Korniewicz 1, Maja Słupczyńska 1, Rafał Bodarski 1, Ryszard Ziemiński 3, Stanisław Osięgłowski 4, Ireneusz Dymarski 4Recieved Date: 2007-01-12, Accepted Date: 2007-03-20
Abstract:The experiment was carried out on Black-and-White breed cows upgraded with 60-90% of HF which were fed the similar diets during 305 days of lactation. The cows successively divided into three experimental groups by analogue method were fed with diets containing different forms of zinc, copper and manganese applied in mineral mixtures. The control group received these trace elements as sulphates but in experimental groups 20 or 30% of daily requirement was covered by bioplexes1. Cows receiving Zn, Mn and Cu as metallo-organic bioplexes were characterized in first 100 as well as for 305 days of lactation by higher milk production, by about 2.7 kg and 1.45 kg, respectively. The application of bioplexes of Zn, Mn and Cu had no effect on basal milk components, on the other hand somatic cell count (SCC) decreased by about 22 and 34%, respectively.
Keywords:Trace elements,
bioplexes of Zn, Mn and Cu, milk, somatic cellsJournal: Journal of Food, Agriculture and Environment
Year: 2007
Volume: 5
Issue: 2
Category: Agriculture
Pages: 189-193
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