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Przeprowadzono badania nad pobraniem runi przez trzy gatunki przeżuwaczy z naturalnego pastwiska górskiego w okresie późnojesiennym (październik) przy zastosowaniu n-alkanów jako wskaźników. Źródłem wskaźników zewnętrznych (dotriacontane C₃₂ i hexatriacontane, C₃₆) były dożwaczowe bolusy Captec Alkane CRC (Captec Ltd., NZ). Pobranie suchej masy runi określano według metody podanej przez Mayes i wsp...
This paper presents parturient paresis (.,milk fever”) aetiopathogenesis and describes the synergic role of magnesium in regulating the hormonal system of calcium metabolism in relation to its adjunct effect in preventing the development of the disease in dairy cattle. It also presents theoretical, experimental and clinical evidence for a link between the occurrence of subclinical hypomagnesaemia...
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