7McDougald L R. Blackhead disease (histomoniasis) in poultry: a critical review [J]. Avian Dis, 2005, 49(4): 462-476.
8Mc Dougald L R, Galloway R B. Blackhead disease in vitro iso- lation of Histomonas meleagridisas a potentially useful diagnos- tic aid [J]. Avian Dis, 1973, 17(4): 847-950.
9Grabensteiner E, Hess M. PCR for the identification and differ- entiation of Histomonas meleagridis, Tetrichomonas gallinarum and Blastocystis spp [J]. Vet Parasitol, 2006, 142 (3-4): 223- 230.
10Huber K, Chauve C, Zermer L. Detection of Histomonas melea- gridis in turkeys caecal droppings by PCR amplification of the small subunit ribosomal DNA sequence [J]. Vet Parasitol, 2005, 131: 311-316.
