N Stockhofe-zur Wieden

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In a herd of fattening pigs under an organic system of management, the following problems were observed: sudden deaths, skin diseases, diarrhea, increased restlessness and cannibalism. The diet consisted of cereals (barley, wheat, rye), field beans, lime stone and deteriorated, raw potatoes without addition of a mineral mixture. Deficiencies of sodium, zinc(More)
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