Haemonchus placei Flashcards
1
Q
common name
A
barber pole worm
2
Q
host
A
cattle
3
Q
site of infection
A
abomassum
4
Q
size of adults
A
2-3 cm
5
Q
eggs size
A
85 micrometers
6
Q
egg characteristics
A
trichostrongyloid
oval, thin shelled
7
Q
life cycle direct or indirect
A
direct
8
Q
life cycle
A
eggs pass in feces develop in feces to L3 L3 ingested during grazing L3 develops to L4 in abomassum L4 develop to adult males and females mate females lay eggs
9
Q
_____ encysts in abomasum wall when conditions outside are unfavorable
A
L4
10
Q
PPP
A
23-28 days
11
Q
pathogenesis
A
acute hemorrhagic anemia
in heavy infections death may occur- hemorrhagic gastritis
12
Q
clinical signs
A
hyperacute cases- calves may die bottle jaw lethargy weight loss weakeness
13
Q
diagnosis
A
history, clinical signs, fecal worm egg count, necropsy
14
Q
treatment
A
anthelminitics
