Histomonas meleagridis Flashcards
they have ________ nucleus & _______ flagellum
1
1
Histomonas are amoeboid TRUE or FALSE
TRUE
Histomonas meleagridis is found in __________
caeca & liver
disease caused by Histomonas meleagridis
black head disease
infectious enterohepatitis
there are _____ forms of Histomonas meleagridis
4
name the 4 forms of H. meleagridis
invasive
vegetative
resistant
flagellated
invasive form is found in
early caecal & liver lesion
periphery if older lesion
vegetative forms are seen in
center of older lesion
flagelled form are seen in ________
lumen of caeca
how does transmission of histomonas meleagridis occur
ingestion of eggs of caecal worm, heterakis gallinarum
_________ can transmit both heterakis & histomonas
earthworm
the first sign of histomoniosis is _________
droopiness
& yellow colored diarrhoea
the pathognomic lesion in liver in histomoniosis is
circular depressed yellowish borders reddish/white areas AREAS
diagnosis of histomoniosis
SULPHUR yellow dropping