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Synopsis
The effect on the growth of healthy turkey poults of the antiprotozoal drug dimetridazole has been examined. It has been shown to exert a favourable effect on live‐weight when administered in the food at levels of 0.0125 and 0.025 Per cent for periods of 12 and 18 weeks.
The drug increased weight linearly in this dose range throughout the medication period and at the lower dose level improved the food conversion.
The absence of histomoniasis in treated birds and controls shows that this was not due to suppression, by dimetridazole, of infection with Histomonas meleagridis.
Subsequent generations responded to dimetridazole but there was no cumulative effect from one generation to another.