The pathologic and molecular findings associated with Histomonas
meleagridis are described in a leucistic Indian peafowl (Pavo cristatus) from Southern Brazil.
Its clinical indication is for the prevention of blackhead disease in poultry, which is caused by the protozoan species Histomonas
meleagridis (McDougald 2005).
Histomoniasis is a disease almost exclusively of birds in the order Galliformes, but Histomonas
has been reported from the intestinal tracts of burrowing owls in Brazil and a common buzzard (Buteo buteo) in Turkey (Davidson, 2008; Ozmen et al.
For example, crude extracts of garlic reduced or eliminated Hymenolepis, Aspiculuris, Histomonas
, and Eimeria parasites in animal models of infection (Hafez and Hauck, 2006; Toulah and Al-Rawi, 2007; Ayaz et al.
Histomoniasis or blackhead disease is a life-threatening disease of turkeys that is caused by a flagellated protozoan, Histomonas
El efecto mas llamativo de este helminto radica en que sus huevos pueden actuar como transportadores del protozoario Histomonas
meleagridis, agente etiologico de la histomoniasis (Kaufmann, 1996; Permin et al.
In 1895, Smith reported that blackhead, an economically devastating enterohepatitis of turkeys, was caused by a protozoan called Amoeba meleagridis (now Histomonas
No evidence of Pasteurella multocida (fowl cholera) or Histomonas
meleagridis (blackhead) were seen.
Phylogenetic position of the trichomonad parasite of turkeys, Histomonas
meleagridis (Smith) Tyzzer, inferred from small subunit rRNA sequence.
Metronidayol given once a month can help prevent the growth of the parasite Histomonas
meleagridis which causes blackhead.
This report describes outbreaks of histomonosis, a severe disease caused by the protozoan parasite Histomonas
meleagridis, which occurred over a period of 3 y on an organic farm in southern Germany.
The susceptibility of mule and muscovy ducks to "blackhead" disease caused by Histomonas
meleagridis was studied using an experimental intracloacal inoculation.