Abstract
Summary
The LD50 dose of barium for young growing chickens was 623 ± 156 mg/kg of live weight. When barium was fed continuously in the feed, either as barium hydroxide or barium acetate, chickens tolerated levels to 1,000 ppm without apparent ill effects. A slight depression in growth occurred when 2,000 ppm of barium was added to the diet. 8,000 ppm of barium caused death of more than one-half of the chicks in 4 week feeding experiment; and the higher levels (16,000 and 32,000 ppm) caused death of all chicks.
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