Exam III - Haemonchus contortus Flashcards
what is/ are the host(s) for Haemonchus contortus?
sheep & goat
What is the common name of Haemonchus contortus?
the barberpole worm
T or F
Haemonchus contortus is the # 1 killer of sheep & goats.
Very true
what isthe site of infestation for Haemonchus contortus?
abomasum
Haemonchus contortus is NOT found in areas of the world where Teladorsagia circumcincta. so… Haemonchus contortus must then NOT be in areas of the world where ___________(season) rain fall is common
Winter
PPR plays a big role for Haemonchus contortus because it doesn’t have __________ although it will arrest its development.
syncrinized emergence
CS’s can be seen 2wks after infection with Haemonchus contortus due to the bloodsucking habbits of L4’s. this will lead to an acute ______________.
hemeragic anemia
apparently healthy sheep can suffer from hyperacute haemonchosis & ____ suddenly from sever hemeragic gastritis. their carcus will apear pale and edematous. The same thing can happen to lambs.
DIE
Chronic Haemonchosis can take place on pastures where _______ is deficient & parasite load is under control/reinfection is negligiable yet the sheep show sings of wt loss, weakness, inappitance, rather than marked anemia.
Chronic Haemonchosis can take place on pastures where nutrents of the pasture is deficient & parasite load is under control/reinfection is negligiable yet the sheep show sings of wt loss, weakness, inappitance, rather than marked anemia.
hyperacute haemoncosis in general is characterized with what clinical signs?
bottle jaw, anemia, ascites, lethergy, dark feces and loss of wool.
Chronic Haemonchosis in general is characterized with what clinical signs?
progressive wt loss, weakness, not sever anemia or gross edema
On necropsy of an animal with Haemonchus contortus the abomasual mucosa will have small ______ lesions with dark brown fluid and a pale carcus.
hemorrhagic
