Term
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Definition
Relationship b/w parasite and host when 1 organism lives in/on another organism of different species for sustenence |
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Term
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Definition
Live adults stages inside host |
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Term
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Definition
Live adult stages outside of host |
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Term
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Definition
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Term
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Definition
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Term
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Definition
takes advantage and lives as parasite w/n host but also can be free-living |
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Term
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Definition
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Term
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Definition
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Term
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Definition
where parasite reaches sexual maturity |
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Term
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Definition
larval stages/development occur w/n it |
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Term
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Definition
no development occurs; just moves it! |
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Term
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Definition
carry parasite from host to host; could be an intermediate host; 2 types: biological and mechanical |
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Term
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Definition
some changes occur w/n this vector |
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Term
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Definition
No development occurs w/n vector |
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Term
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Definition
keeps parasite in the environment; perpetuates infection; usually no disease caused in this host |
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Term
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Definition
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Term
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Definition
Need multiple hosts (like intermediate host) |
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Term
another word for monospecific |
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Definition
Stenoxenous; very host specific |
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Term
Another word for Heterospecific |
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Definition
Euryoxenous; wide host range |
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Term
Parasitism vs. parasitosis |
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Definition
Parasitism has no disease while parasitosis is infection + disease |
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Term
What is usual cause of parasitic disease? |
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Definition
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Term
What is the ultimate goal of parasite control? |
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Definition
Disruption of transmission! |
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Term
Where do Ancylostomoidea (Hookworms) live? |
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Definition
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Term
Type of diarrhea from hookworms? |
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Definition
Melena--black tarry feces |
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Term
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Definition
Black tarry feces from blood digestion |
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Term
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Definition
thin shelled and morulated |
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Term
Infective stage of Hookworms? |
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Definition
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Term
Methods of transmission of hookworms |
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Definition
1- burrowing 2- Ingesting L3 3- Ingest paratenic host w/ L3 4- Lactogenic |
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Term
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Definition
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Term
Can hookworms go into hypobiosis? |
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Definition
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Term
What is standard txt for hookworms |
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Definition
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Term
Where do Ancylostoma caninum live? |
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Definition
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Term
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Definition
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Term
How are Ancylostoma tubaeforme transmitted? |
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Definition
Ingestion; ingestion of paratenic host; burrowing; NO lactogenic transfer |
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Term
Ancylostoma braziliense favorite form of transmission? |
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Definition
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Term
Which ancylostoma species is not a voracious bloodsucker? |
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Definition
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Term
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Definition
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Term
Bunostomum affect on host? |
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Definition
Voracious bloodsucker in cattle; a few worms can cause major anemia |
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Term
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Definition
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Term
|
Definition
Ancylostoma; Uncineria; Bunostomum; Globocephalus |
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Term
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Definition
Direct--no intermediate or paratenic hosts |
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Term
How are strongyles transmitted? |
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Definition
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Term
Infective stage of Strongyles |
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Definition
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Term
Where do strongyles live? |
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Definition
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Term
Which strongyles migrate? |
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Definition
Large strongyles (not cyathostomes) |
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Term
Most pathogenic strongylus spp. |
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Definition
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Term
Where does Strongylus vulgaris like to migrate? |
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Definition
Cranial mesenteric artery |
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Term
|
Definition
thinning of blood vessel wall and bulges and thickening due to migrating Strongylus vulgaris in cranial mesenteric artery |
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Term
Most common strygulus sp. |
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Definition
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|
Term
Where does strongulus edentatus like to go? |
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Definition
Goes to liver and migrates around and then in peritoneal cavity |
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Term
Clinical signs of strongylus vulgaris |
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Definition
-colic from mgirating - diarrhea in young -anemia -poor coat -enteritis -death |
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Term
Which strongylus sp. isn't common to US |
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Definition
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Term
How deworm for Strongylus spp. |
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Definition
Every 5 months for 2 years since shorting PPP = 6 months |
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Term
Triodontophorus spp. host? |
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Definition
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|
Term
Does Triodontophorus migrate? |
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Definition
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Term
Most important parasite in horses today |
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Definition
Cyathostomes (small strongyles) |
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Term
Clinical signs of cyathostomes? |
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Definition
-colic -diarrhea b/c destroy gut - cachexia and anorexia -loss of intestine's absorptive function |
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Term
|
Definition
corona radiata, red, small buccal cavity |
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Term
|
Definition
disease from all hypobiotic larvae eruptiong from tissue in gut at once! |
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Term
What damage is caused by cyathostomes? |
|
Definition
Damage from awakening form hypobiosis and emerging simultaneously and destroying mucosa and tissue |
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Term
|
Definition
interval b/w txt and reappearance of egg shedding |
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Term
strategic txt of strongyles |
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Definition
exploit seasonal patterns of strongyle transmission and get long term relief from infection by timing txts -deworm horses from Sept-->March and begin again in September |
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Term
What is Chabertia spp. other name |
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Definition
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Term
definitive host of chabertia spp. |
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Definition
Ruminants, mostly sheep and goats |
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Term
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Definition
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Term
Damage done by Chabertia? |
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Definition
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Term
Another name for Oesophagostomum? |
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Definition
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Term
Definitive host of Oesophagostomum? |
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Definition
cattle, sheep, goats, pigs, gorillas |
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Term
where do Oesophagostomum live? |
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Definition
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|
Term
Oesophagostomum species of swine? |
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Definition
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Term
What causes damage of Oesophagostomum? |
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Definition
When worms emerge from nodules into large intestines; get diarrhea and allergic response |
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Term
What is another name for Stephanurus? |
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Definition
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Term
What is D.H. of stephanurus spp. |
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Definition
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|
Term
Where do Stephanurus live? |
|
Definition
In perirenal fat around kidney and eggs pass in urine |
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|
Term
How are eggs of Stephanurus shed? |
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Definition
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|
Term
Where do Staphanurus migrate to? |
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Definition
From blood to liver to kidney fat! |
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Term
Where do Staphanurus like to migrate? |
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Definition
In the liver; causes lots of problems before they go to perirenal fat. |
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|
Term
Main clinical sign of Staphanurus infection? |
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Definition
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|
Term
Infective stage of Trichostrongyloides |
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Definition
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|
Term
Another way to describe Trichostrongyle infectins? |
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Definition
GIN-Gastrointestinal nematodes |
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|
Term
Where Trichostrongylus axei live? |
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Definition
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|
Term
Where do Ostertagia live? |
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Definition
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|
Term
What is most important parasite of cattle? |
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Definition
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|
Term
What is infective stage of Ostertagia? |
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Definition
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|
Term
What is characteristic sign in necrospy of Ostertagia infection? |
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Definition
Moroccan leather lining of Abomasum from worms emerging from parietal glands |
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|
Term
Who causes moraccon leather in abomasum? |
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Definition
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|
Term
Where do larvae emerge from in Ostertagia infections? |
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Definition
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|
Term
Clincal signs of Ostertagia infection? |
|
Definition
Severe diarrhea; weight loss; bottle jaw; anemia; anorexia; loss of digestive function |
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Term
Type I ostertagia infection |
|
Definition
in calves in 1st season on pasture; get diarrhea; no arrested development |
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Term
Type II ostertagia infection |
|
Definition
result of larvae in hypobiosis waking up at same time; happens normally in older cows; see in the summer/early spring in the North and fall in the South. |
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Term
When see Ostertagia infection in Tn? |
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Definition
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|
Term
When see Ostertagia infection in the north |
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Definition
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|
Term
When give dewormer for Ostertagia for cattle living in the south? |
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Definition
Mid summer to kill hypobiotic larvae before emerge in early fall! |
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|
Term
Ostertagia and cyathostomes are both a result of large numbers of larvae resuming development and emerging? T or F. |
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Definition
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|
Term
Trichostrongyloid of sheep and goats? |
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Definition
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|
Term
Parasites found in abomasum of ruminants |
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Definition
H-O-T. Haemonchus, Ostertagia, Trichostrongylus axei |
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Term
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Definition
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|
Term
Another name for Haemonchus. |
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Definition
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|
Term
What is pathophysiology of Haemonchus? |
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Definition
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Term
Where does Haemonchus live? |
|
Definition
Abomasum in ruminants, mostly sheep! |
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|
Term
What is most important parasite of sheep and goats? |
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Definition
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|
Term
Types of eggs seen with Haemonchus? |
|
Definition
Thin shelled and morulated and see TONS of them! |
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|
Term
Clinical signs of Haemonchus infection? |
|
Definition
severe anemia; bottle jaw from hypoproteinemia; high fecal egg count; no diarrhea b/c lose so much blood |
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|
Term
|
Definition
routine check for anemia in sheep and goats to determine if need txt for Haemonchus infection; do this instead of overtreating herd and breeding resistant worms |
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|
Term
Infective stage of Haemonchus? |
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Definition
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|
Term
Where does Cooperia sp. live? |
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Definition
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|
Term
|
Definition
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|
Term
Which worm has large football shaped eggs? |
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Definition
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|
Term
What is the Payton Manning worm? |
|
Definition
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|
Term
Most important parasite in severely anemic lambs? |
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Definition
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|
Term
Host of hyostrongylus sp. |
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Definition
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|
Term
Where do Hyostrongylus live? |
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Definition
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|
Term
What is the vomiting worm? |
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Definition
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|
Term
Where do Ollulanus sp. live? |
|
Definition
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|
Term
What is live cycle of Ollulanus? |
|
Definition
Ovoviviparous-whole life cycle occurs w/n host! |
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|
Term
Clinical signs of Ollulanus sp. infection? |
|
Definition
gastric distress-vomiting! |
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|
Term
How Ollulanus sp. transmitted? |
|
Definition
cats eat vomit with worms in it. |
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|
Term
How ID Ollulanus infection? |
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Definition
Look in vomit, gastric lavage |
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|
Term
Infective stage of Metastrongrloidea (Lungworms) |
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Definition
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|
Term
What shed by host of Metastrongyloidea |
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Definition
leave as larvae, not eggs! |
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|
Term
How diagnose lungworm infection? |
|
Definition
Baermann's apparatus or zinc sulfate float |
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Term
|
Definition
Yes, go from ingestion into intestines into lymphatics to respiratory pathway |
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|
Term
What is "Husk" a good sign of? |
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Definition
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|
Term
how prevent Dictyocaulus infection? |
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Definition
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|
Term
HOw do horses get Dictyocaulus infections? |
|
Definition
from donkeys! D. arnfieldi |
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|
Term
Clinical signs of Dictyocaulus infection |
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Definition
coughing, edemia in lungs, HUSK (gasping breathing) |
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Term
How DX dictyocaulus infection? |
|
Definition
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|
Term
How do sheep and goats get Muellerius? |
|
Definition
From ingesting of snails/slugs with L3s |
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|
Term
Where do Muellerius worms live? |
|
Definition
In lung parenchyma of sheep and goats |
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|
Term
What physical characteristics do Muellerius worms have? |
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Definition
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|
Term
|
Definition
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|
Term
What is lungworm of horse? |
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Definition
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|
Term
How do cats get infected with Aelurostrongylus? |
|
Definition
ingestion of paratenic hosts (amphibians, reptiles, birds, rodents) that have ingested snails and slugs |
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Term
How physically ID Aelurostrongylus infections |
|
Definition
kinky tail and spine, like Muellerius |
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|
Term
Who has kinky tails and spines? |
|
Definition
Muellerius sp., Aelurostrongylus sp., and Angiostrongylus vasorum |
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|
Term
Clinical signs of Aelurostrongylus infection? |
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Definition
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|
Term
Where do Aelurostrongylus sp. live in cat? |
|
Definition
pulmonary artery, lung parenchyma, bronchi/trachea |
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|
Term
|
Definition
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|
Term
Where do Filaroides sp. live? |
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Definition
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|
Term
How infected with Filaroides |
|
Definition
dog ingests larvae in feces |
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|
Term
What is infective stage of Filaroides |
|
Definition
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|
Term
What is lungworm of pigs? |
|
Definition
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|
Term
What do pigs shed when infected with Metastrongylus? |
|
Definition
Thick shelled larvated eggs, not larvae like the rest of the lungworms! |
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|
Term
Which parasite is the exception to the larvae shedding in Metastrongyloides |
|
Definition
Metastrongylus-swine lungworm |
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|
Term
What is the "French/Fox lungworm" |
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Definition
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|
Term
How physically ID Angiostrongylus vasorum? |
|
Definition
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|
Term
Clinical signs of Angiostrongylus vasorum? |
|
Definition
Hypertension, coughing, dyspnea, exercise intolerance--looks like Dirofilaria immitis infection! |
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|
Term
Where find Angiostrongylus vasorum? |
|
Definition
|
|
Term
Which superfamily are the facultative parasites? |
|
Definition
Rhabditoidea - Rhabditis, Halicephalobus, Strongyloides |
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|
Term
|
Definition
Thin shelled, small and larvated |
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|
Term
How Rhabditis enter host? |
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Definition
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|
Term
Clinical sign of rhabditis sp.? |
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Definition
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|
Term
|
Definition
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|
Term
Where does Halicephalobus live? |
|
Definition
get in skin of horse and goes to blood and can get to kidney, or go to head and jaw, and to brain and get neuro problems |
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|
Term
How Halicephalobus get in host? |
|
Definition
puncture so it can enter skin |
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|
Term
|
Definition
|
|
Term
Where do Strongyloides live? |
|
Definition
Small intestine of mammals, birds, and reptiles |
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|
Term
What is the intestinal threadworm? |
|
Definition
|
|
Term
How Strongyloides transmitted? |
|
Definition
Ingest L3, penetrate skin, lactogenic transfer |
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|
Term
How Strongyloides transmitted? |
|
Definition
Ingest L3, penetrate skin, and lactogenic transfer |
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|
Term
What disease caused by Strongyloides? |
|
Definition
Parasite of VERY young, invade small intestines, get diarrhea |
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|
Term
Is Strongyloides zoonotic? |
|
Definition
Yes, cutaneous larval migrans |
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|
Term
|
Definition
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|
Term
Unique physical characteristic of Ascarid |
|
Definition
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|
Term
|
Definition
Thick albuminous shell with 1 cell inside |
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|
Term
What is infective stage of Ascarid? |
|
Definition
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|
Term
|
Definition
Yes, can cause visceral larval migrans |
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|
Term
|
Definition
Yes, go to liver and lungs and end up in small intestines |
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|
Term
|
Definition
|
|
Term
What are eggs of Ascaris suum like? |
|
Definition
Thick, mamillated egg (big bumps along edge) |
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|
Term
What is characteristic sign of Ascaris suum? |
|
Definition
Milk spots in liver from migrating larvae! can be lethal |
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|
Term
What is pathophysiology of ascaris suum? |
|
Definition
Migration in liver! get milk spots; can go to lungs and get respiratory signs as well |
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|
Term
How Ascaris suum transmitted? |
|
Definition
Ingestion of L2 w/n egg; NOT lactogenic |
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|
Term
What causes milk spots on liver? |
|
Definition
|
|
Term
What is host of Parascaris equorum? |
|
Definition
|
|
Term
|
Definition
|
|
Term
Where Parascaris equorum live? |
|
Definition
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|
Term
Clinical signs of Parascaris equorum? |
|
Definition
colic, malnutrition, and diarrhea- can get rupture of colon |
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|
Term
When deworm for Parascaris? |
|
Definition
start at 2 month old and give every 2 months for 2 years! do every 2 months so dont get too big |
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|
Term
|
Definition
|
|
Term
Physical ID of toxacara cati? |
|
Definition
cervical alae looks like arrow head! |
|
|
Term
What kind of transmission for toxocara cati? |
|
Definition
NO prenatal; sometimes lactogenic, paratenic hosts crucial; ingestion of L2 larvated egg |
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|
Term
Clinical signs of Toxocara cati |
|
Definition
diarrhea, potbelly, poor hair coat, malnutrition, vomiting |
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|
Term
|
Definition
|
|
Term
clinical signs of Toxocara canis? |
|
Definition
|
|
Term
Types of transmission of toxocara canis? |
|
Definition
Ingestion of larvated L2 eggs, paratenic hosts, and cross placental, so decreases PPP to about 2 weeks |
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|
Term
Is Toxocara canis zoonotic? |
|
Definition
Yes, Visceral larval migrans and ocular larval migrans |
|
|
Term
|
Definition
Cats, dogs, and wild cats and dogs |
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|
Term
What do Toxascaris eggs look like? |
|
Definition
eggs have NO pits and wavy inner membrane |
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|
Term
clinical sign of Toxascaris? |
|
Definition
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|
Term
|
Definition
|
|
Term
|
Definition
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|
Term
Who see Toxascaris in mostly? |
|
Definition
|
|
Term
|
Definition
ingestion of eggs, go to GI and Large Intestines, hatch, molt, lay eggs around anus, and get ingested |
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|
Term
|
Definition
|
|
Term
Who has obvious bulb on end of esophagus? |
|
Definition
|
|
Term
|
Definition
thin shelled, assymetrical |
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|
Term
|
Definition
|
|
Term
Infective stage of Oxyuris? |
|
Definition
|
|
Term
Clinical sign of Oxyuris? |
|
Definition
|
|
Term
|
Definition
tape around anus; put under microscope and examine |
|
|
Term
Where does Probstymayria live? |
|
Definition
IN horses' large intestine |
|
|
Term
|
Definition
|
|
Term
Pinworm of sheep and goats |
|
Definition
|
|
Term
Common name of Trichinelloidea |
|
Definition
Whip worms/ capillary worms |
|
|
Term
Infective stage of Trichinelloidea/Whip worms? |
|
Definition
|
|
Term
Physical characteristic of Trichinelloidea to ID |
|
Definition
|
|
Term
|
Definition
trichinelloidea/whip worms |
|
|
Term
Eggs of Trichinelloidea/whip worms? |
|
Definition
eggs w/ polar plugs; symmetrical |
|
|
Term
What worm if see copulatory bursa in dog? |
|
Definition
|
|
Term
What worm w/ copulatory bursa in horse? |
|
Definition
|
|
Term
What worm with copulatory bursa in cattle? |
|
Definition
|
|
Term
Life cycle of trichinelloidea? |
|
Definition
matures in cecum, lay eggs, pass in feces, larvate in environments, ingest larvated egg, hatch in stomach, go to SI,burrow and molt, and mature in cecum |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
how resistant are Trichuris eggs? |
|
Definition
very resistant! live for years! |
|
|
Term
What Trichuris does in pigs? |
|
Definition
causes severe diarrhea! stunts growth; very bloody diarrhea |
|
|
Term
|
Definition
straining to urinate/defecate |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
Clinical signs of Trichuris vulpis |
|
Definition
bloody stool, flatulence, tesemus, hematochezia, LARGE BOWEL D+ |
|
|
Term
|
Definition
|
|
Term
Which worms have eggs w/ polar plugs? |
|
Definition
|
|
Term
|
Definition
mustelids, cats, swine, racoons--mostly mink in stomach or intestine |
|
|
Term
Where capillaria aerophila live? |
|
Definition
lung of dog, cat, fox, raccoons |
|
|
Term
infective stage of Capillaria? |
|
Definition
|
|
Term
Clinical signs of Capillaria aerophila? |
|
Definition
|
|
Term
|
Definition
|
|
Term
Where Capillaria bohmi live? |
|
Definition
Nasal passage of dog and fox |
|
|
Term
Clinical sign of Capillaria bohmi? |
|
Definition
sneezing, sniffling, shaking head |
|
|
Term
Which capillaria do you look for in urine? |
|
Definition
Capillaria plica, Capillaria feliscati |
|
|
Term
Which Capillaria do you check for in fecal? |
|
Definition
Capillaria aerophila, Capillaria bohmi, Capillaria putorri, Capillaria hepatica |
|
|
Term
What is bladder worm of dog? |
|
Definition
|
|
Term
What is bladder worm of cat |
|
Definition
|
|
Term
What is Capillaria of liver? |
|
Definition
|
|
Term
What is life cycle of Caillaria hepatica? |
|
Definition
lives in liver, lay eggs, in parenchyma of liver,stay in liver, can't become adult b/c O2 too low so have to wait for host to die |
|
|
Term
What is physical characteric of Filaroide? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
PPP of Difilaria immitis? |
|
Definition
6 months from infection to MF |
|
|
Term
|
Definition
|
|
Term
Infective stage of Difiliaria immitis? |
|
Definition
|
|
Term
average number of heartworms when disease? |
|
Definition
|
|
Term
Clinical signs of Difilaria immitis? |
|
Definition
COUGHING, EXERCISE INTOLERANCE, DYSPNEA; weight loss, anemia, heart enlargement, hypertension |
|
|
Term
Why put heartworm disease treated dogs excercise restriction? |
|
Definition
prevent pulmonary emboli and thrombosis |
|
|
Term
Txt for Difiliaria immitis? |
|
Definition
Immiticde 2.5 mg/kg twice w/ 24 hours apart for 90% efficacy; or 3 injections for 98% efficacy but wait 1-2 months b/w 1st and 2nd injection |
|
|
Term
Heartworm test of choice for dog? |
|
Definition
|
|
Term
What causes pulmonary thromboemboli in heartworm treated dogs? |
|
Definition
|
|
Term
how check for MF for difilaria immitis? |
|
Definition
|
|
Term
What does heartworm antigen test check for? |
|
Definition
female antigen from uterus and if have lots of males, could detect as well |
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Term
How are dogs infected by show up MF negative? |
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Definition
1- immature worms 2- only males or females so no mating 3- heart worm prophylaxis 4- immunological occult (make anitbodies and tie up MF so don't circulate MFs) |
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Term
When get + serology results for heartworm test if positive? |
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Definition
about 5 months (and about 6 months for MF) |
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Term
What reasons explain a negative serology test when actually positive? |
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Definition
1- immature worms 2- males only 3- too few worms 4- antigen sequestration |
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Term
Where are adult heartworms found in assymptomatic animals? |
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Definition
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Term
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Definition
Whenever have + antigen test to see what is going on |
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Term
How diagnose heartworm disease? |
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Definition
fecal; x rays for right heart enlargement, coughing, serology, EKG, CBC, arteriogram |
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Term
Life cycle of Dirofilaria immitis? |
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Definition
females produce microfilaria; mosquito ingests; Mf develop into L3 w/n mosquito; mosquito bites and transfers to DH, molt and migrate thru CT to pulmonary artery as immature adults and mature |
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Term
How does heartworm prophylaxis work? |
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Definition
reach back effect--kills L3 and L4s |
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Term
What age start heartworm prophylaxis? |
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Definition
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Term
How confirm successful heartworm treatment? |
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Definition
do antigen tests 6 months after last treatment |
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Term
What does "soft kill" fo rheartworms mean? |
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Definition
Ivermectin as an adulticide; works on worms 8 months and younger; not good b/c always have dying worms which is cause of pathophysiology; can option if can't afford other txt |
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Term
What use to kill microfilariae |
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Definition
use ivermectin if TONS b/c slower, or Milbemycin if not so many; may need to pretreat w/ steroids to rpevent shock! |
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Term
Do cats have circulating MF w/ D. immitis? |
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Definition
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Term
clinical signs of dirofilaria in cats? |
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Definition
dyspnea, coughing, vomiting, arteries inflammed, lungs inflamed |
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Term
What test to check for heartowrms in cats? |
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Definition
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Term
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Definition
Heartworm Associated Respiratory Disease |
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Term
TXt for heartworms in cats |
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Definition
Prednisone mainly, can do surgery |
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Term
how diagnose heartowrms in cats? |
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Definition
-do antibody and antigen test -respiratory disease - cardiac disease -chronic vomiting - exposure to mosquitoes |
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Term
What does antibody test tell you in cats? |
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Definition
That they are exposed and have been infected! not necessarily that they have adult worms but have seen L3s! |
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Term
What is commonly mistaken for dirofilaria microfilariae |
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Definition
Acanthocheilonema reconditum (Dipetalonema) |
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