Abstract

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  • Higher level of plasmatic sodium in foetuses when compared with their dams was found in all foetuses; levels of potassium, calcium, magnesium, zinc and iron were found higher in 73 %, 93 %, 68 %, 55 % and 72 %, resp

  • Calves suffering from health disturbances after birth differ from healthy animals by biochemical findings already at birth and probably even during their foetal life (Cabello, Michel 1977)

  • Ciradze (1967), Baetz et a1. (1976), Frerking (1979), Barlet et al (1979), Roux et a1. (1979) .have reported on metabolism in bovine foetuses, Slanina et a1. (1971), Hajdu et al (1977)

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Summary

Introduction

Higher level of plasmatic sodium in foetuses when compared with their dams was found in all foetuses; levels of potassium, calcium, magnesium, zinc and iron were found higher in 73 %, 93 %, 68 %, 55 % and 72 %, resp. Frerking (1979) found the plasmatic potassium value in late-pregnant cows and their foetuses to be 17.2 ± ± 1.9 mgjl00 ml (4.38 ± 0.48 mmoljl) and 19.4 ± 5.7 mgjl00 ml (4.94 ± 1.45 mmol/l), resp., this value being considerably higher than the values found by us In our examination the mean level of plasmatic potassium in foetuses was found to be slightly higher than in their dams, this finding being supported by Wilson et al (1977a, b) and Frerking (1979).

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