Nitrofurazone in the Medication of Avian Coccidiosis

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Abstract
Six of 235 birds experimentally infected with Eimeria tenella and treated with one part of nitrofurazone in 9000 parts of an all-mash feed died of the infection, whereas 67 of 88 similarly infected controls succumbed. This medication proved effective if given not later than 56 hours after infection. Treatment at this level does not prevent development of immunity. The medicated feed is readily accepted by chickens and causes no growth retardation. Nitrofurazone is not effective when dissolved in water and presented in metal troughs. Apparently paraffined troughs prevent deterioration of the drug. The median lethal dose of nitrofurazone lies somewhere between 150 and 200 mg. per kilo -according to limited tests.