Oesophagostomum spp Flashcards
1
Q
common name
A
nodular worm
2
Q
hosts
A
cattle, sheep, goats
3
Q
characteristics
A
white nematode
large cephalic vesicle
4
Q
size of adult
A
2.5cm
5
Q
____stage larvae in the small and large intestine
A
4th
6
Q
eggs
A
strongyloid
oval, thin shelled
85micrometers
7
Q
life cycle direct or indirect
A
direct
8
Q
life cycle
A
eggs hatch in feces develop to L3 ingested and enter wall of intestine develop to L4 in nodules L4 emerge and develop to adult stage male and females mate females lay eggs
9
Q
PPP
A
45d or longer
10
Q
site of infection
A
adults: large intestine
L4: small or large intestine
11
Q
pathogenesis
A
anorexia
12
Q
clinical signs
A
rise in temperature
diarrhea
dehydration
13
Q
diagnosis
A
fecal exam for eggs
necropsy
14
Q
treatment
A
anthelmintics
management
15
Q
do animals develop immunity to infection?
A
no
