HOSNEDLOVÁ B., TRÁVNÍČEK J., ŠOCH M.

Abstract
The study compiles knowledge about the significance of zinc for ruminants, the causes and effects of insufficient zinc, sources of zinc and its concentration in milk in connection with the human population, analyses the situation of zinc deficiency in cattle in the Czech Republic and addresses inorganic and organic forms of supplementing.

Key words:
zinc sources, zinc requirement, zinc content in blood plasma, hypozincaemia, milk, inorganic and organic forms of zinc

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