Trichostrongylus spp. (2) Flashcards
1
Q
Describe an adult
A
Less than 7 mm
2
Q
Describe eggs
A
85 micro m
Thin shelled
Oval
Females do not lay large number of eggs
3
Q
Describe the life cycle
A
Trichostrongylid
Low hypobiosis
PPP: 21-28 days
4
Q
What are the sites of infection?
A
Abomasum/stomach
Small intestine
5
Q
Describe the Pathogenesis
A
Heavy infections - watery diarrhea (severe)
Illness only occurs in stressed or malnourished animals
Most species host specific
Cattle, sheep, and goats can share parasites
6
Q
What are the concerns with treatment?
A
Anthelmintic resistance
7
Q
What are the hosts?
A
Cattle
Sheep
Goats
Equine
