556.60 of this chapter. Nitarsone, 0.01875 percent. As an aid in the prevention of blackhead.
Early medication is essential to prevent spread of disease.
Adequate drinking water must be provided near feeder at all times. The drug is not effective in preventing blackhead in birds infected more than 4 or 5 days. Discontinue use 5 days before slaughtering animals for human consumption to allow elimination of the drug from edible tissues. The drug is dangerous for ducks, geese, and dogs. Overdosage or lack of water may result in leg weakness or paralysis.