485.
Radnai I, Szabo V, Varhegyi J. Effectiveness of various manganese preparations (for cattle feeds). Magy. Allatory. Lapja. 1969; 24(9):501-502. (CA72) [The food of cows contained 300 mg Mn/day. This amt. was supplemented with a further 300 mg Mn. One group of cows received MnSO4, another Mn-EDTA, while a third group was given Mn in a premix with other micronutrients. A considerable increase of the Mn content in the hair of the premix group and a decrease of the serum Cu level of the Mn-EDTA group were found. The serum Zn level decreased more or less except in the MnSO4 group where it was considerably elevated.]
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