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Lab Review: Parasitology (Ruminants)
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Name the "hot worm" speciecies of the genus richostronglyes:
haemonchus
ostertagia
trichostrongylus
Trichostrongyles are nematodes that resemble....
hookworms
Who are the larger trichostrongyles with tapered ends? N
nematodirus
Adult trichostrongyles are found where?AI
abomasum
intestine
Haemonchus contortus (a type of trichostongyle) is aka the
barber pole worm
Haemoncus contortus is found in the abomasum of who? SGA
sheep
goats
alpaca
What does Haemonchus contortus cause? AB
anemia
bottle jaw (edema of lower jaw)
What gives Haemonchus contortus its claim to fame?
resistant to many anthilmentics
What is the intestinal threadworm of ruminants?SP
strongyloides papillosus
What do the parthenogenic females of strongyloides papillosus do?
lay unfertilized eggs that develop into individual larvated eggs
Why are strongyloides papilloss found free living in feces?
because they do not attach to the small intestine
MOI strongyloides papillosus:SIT
skin-b/t hooves
ingestion
transmammary in cows
Strongyloides papillosus are coughed up and swallowed. What do they cause?DWB
d+
weight loss
blood in feces
What is the cestode tapeworm of ruminants?M
moniezia
Which moniezia sp. is triangular/pyramid shape and found in sheep?ME
moniezia expansa
Which moniezia species is square/cuboidal shaped and is common in cattle?MB
moniezia benedini
Moniezia may or may not be harmful depending on size. What is the IH?
oribatid grain mite
What is the ruminant liver fluke?FH
fasciola hepatica
Fasciola hepatica is a trematode found in fecal sedimentation why?
doesn't float
Why does Fasciola hepatica cause the most economic concern?LC
liver rot
condemation of cattle at slaughter
What is the ruminant coccida/protozoan that causes d+?E
Eimeria
What is the oval shaped eimeria in cows?B
bovis
What eimeria is spherical and found in sheep and goats?z
zuerni
Can an animal be infected with more than one species of eimeria?
yes
What is found in calves and crias(baby alpaca)?CP
cryptosporidium parvum
Cryposporidium parvum is most often found in feces and is prepared with what?
Sheathers sugar solution
Cryptosporidium causes d+++ in humans and is easily identified with what staining technique?
acid fast
What is aka the horn fly/biting house fly and is the cause of the greatest economic loss from an arthropod?HI
haematobia irritans
What does haematobia irritans carry?SA
What does this cause?
staph aureus
mastitis in cows
Adult haematobia irritans feed on the host's blood and females lay eggs where?
fresh manure
What is beelike and aka the nasal bot fly?OO
oestrus ovis
Author
Anonymous
ID
241120
Card Set
Lab Review: Parasitology (Ruminants)
Description
vti
Updated
2013-10-17T02:24:56Z
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