Carbarsone is an arsenic-based antiprotozoal drug which has been used in the treatment of amebiasis and other infections. It was available for use in the United States as a drug for amebiasis as late as 1991. Thereafter, it remained available as an additive for turkey feed for improving weight and controlling Blackhead disease

Blackhead disease

Blackhead disease is a commercially important avian disease that affects chickens, turkeys and other poultry birds. The disease carries a high mortality rate and primarily affects the liver and cecum. It is a form of histomoniasis which is transmitted by the protozoan parasite Histomonas meleagridis...

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