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Parasitology
Specifics regarding genus and species
16
Veterinary Medicine
Professional
02/21/2010

Additional Veterinary Medicine Flashcards

 


 

Cards

Term
Common Name: equine ascarid or equine roundworm
HSS: Equids
IH: Earthworm/Dung Beetle
Site of infestation: Small Intestine
Msc.: Good Sanitation, clean mares teets. This ova is very sticky and immune to disinfectants.
Definition

Parascaris equorum

Term
HSS: Dog
IH: None but may be paratenics.
Lifecycle: L3 infectives
Misc.:
4 routes od infestation-
1. Skin penetration
2. Transplacental
3. Transmammary
4. Direct ingestion

***CLM in humans***
Definition
Ancylostoma caninum
Term
Common Name: Dog and Cat Hookworm
HSP: Cat & dog
Ova: TASE
Site of Infestation: Small Intestine
Definition
Ancylostoma braziliense
Term
HSS: Cat
Ova: TASE
Site of infestation: Small Intestine
Definition
Ancylostoma tubaeformae
Term
#1
Common Name: Cold Weather Hookworm
HSP: Dogs/Cats
Ova: TASE
4 Routes of infestation
Site of infestation: Small Intestine

#2
FYI
HSS for HUMANS
Definition

#1 Uncinaria stenocephala

#2 Ancylostoma duodenale

Term
Common Name:
Viviparus (HSS)/Cattle Lungworm
Arnfieldi (HSP) for horse, donkey & mule/Equid Lungworm
Filarial (HSP) for goats and sheep

IH: Insects
Site of Infestation: Bronchials

L3 infectives

Misc: Typically non-pathogenic in donkeys but more pathogenic in a horse.
Definition
Dictyocaulus spp.
Term
HSP: pigs and wild swine
IH: Earthworm
Site of Infestation: Bronchials, Bronchi. Lungs
Definition
Metasrongylus apri
Term
Common Name: Fox Lungworm
HSP: Dog and Cat
IH: Earthworm
Site of infestation: Trachea and bronchi
Definition
Eucoleus (capillaria) aerophila
Term
General: 4 parasites involved
1. Haemonchus (1 species)
2. Ostertagia (2 species)
3. Cooperia (3 species)
4. Trichostrongylus (3 species)
***NOT A STOMACH DWELLER***

-Listed in order of fertility
-Direct lifecycle
-Oviporous
Definition
"H.O.C.T. Complex"
Term
#1
Common Name: Barber Pole Worm
HSP: Sheep and other ruminents
OVA: TASE
-L3 Infectives
-Site of Infestation: Abomasum

#2
Common Name: Brown Stomach Worm
HSP: Cattle/Ostertagi and Sheep/circumcincta
OVA: TASE
-L3 Infectives
-Can go into an arrested development stage (dormant)
-Site of Infestation: Abomasum

***The only wormer that works is Ivermectin
Definition

#1 Haemonchus contortus

 

#2 Ostertagia spp.

Term
#1
Common Name: Cattle Bankrupt Worm
HSP: Sheep, Cattle & Goats
OVA: TASE
-L3 Infectives
-Site of Infestation: Small Intestine
-Can live throughout the winter in the soil

#2
Common Name: Hair Worm or Black Scours Worm
HSP: Sheep, Cattle
OVA: TASE
-L3 Infectives
-Site of Infestation: abomsum and duodenum
-Can live throughout the winter in the soil
-Species to know are: axei, colubriformis and vitrious
Definition

#1 Cooperia spp.

#2 Trichstrongylus spp.

Term
HSP: Ruminents
OVA: "football" shaped
-L3 Infectives
-Site of Infestation: Small Intestine
-necrosis to the small intestine and villi and atrophy.
Definition
Nematodirus spp.
Term
Common Name: Nodular Worm
Ova: TASE
Site of Infestation: Large Intestine
PHS: Economic-Nodules render sausage casings unusable
Definition
Oesophagostomum spp.
Term
Common name: Swine Kidney Worm
HSS for pigs
IM: Earthworms possibly
Ova: TASE in URINE
Misc.: liver, Kidney's, and loin chops are condemned
Definition
Spephanurus dentatus
Term
Stongyloides westeri aka Intestinal Thread Worm
HSS: Horse
OVA: TASE
Site of Infestation: Cecum and Right Ventral Colon
Definition

Small Strongyles

(Strongyloides westeri)

Term
Common Name: Equine Blood Worm
HSS: Horse
Site of Infestation: Larva in the walls of intestines, cranial mesenteric artery.
Adults: in the cecum
Definition

large Strongyles

(Strongylus vulgaris)

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