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W badaniach określono wpływ organicznych form cynku (Zn) i selenu (Se) oa wskaźniki produkcyjne tuczonych jagniąt. Jagnięta o początkowej masie ciała 20 kg przydzielono do 3 grup żywieniowych i utrzymywano do osiągnięcia przez nie 35 kg masy ciała. Grupa kontrolna otrzymywała w premiksie ZnO i Na₂SeO₃, a grupy doświadczalne odpowiednio: II - ZnO + Bioplex Zn + Na₂SeO₃ III - ZnO + Selplex. Najwyższe...
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