Large Animal Parasites Flashcards
Large Strongyles Scientific Name
Strongylus vulgaris
Which Strongyle is most commonly associated with clinical disease?
Strongylus vulgaris
What harm can Strongylus vulgaris cause?
damages cranial mesenteric artery and its branches
Other name for Small Strongyles
Cyathostomes
Strongyles are __________________ worms.
large intestinal worms
Bot Fly of the Horse Scientific Name
Gastrophilus sp.
Where do Bots live?
in the stomach
Threadworm of the Horse
Strongyloides westeri
Strongyloides westeri is mainly a ___________________.
foal parasite
Pinworm Scientific Name
Oxyuris equi
Stomach Worms
Habronema muscae
Draschia megastoma
How are Stomach Worms transmitted?
eggs/larvae are ingested by larvae of house/stable flies, flies are the intermediate hosts
Roundworm of the Horse Scientific Name
Parascaris equorum
What can Parascaris equorum cause?
can cause colic in foals and migrating larvae can cause liver and lung damage
Tapeworms Scientific Name
Anoplocephala magna
Anoplocephala perfoliata
Paranoplocephala manillana
Coccidia of the Horse Scientifiic Name
Eimeria leukarti
Lungworm of the Horse and Donkey Scientific Name
Dictocaulus arnfeldi
What is Sarcystis neurona?
protozoa that lives in the nervous system and causes EPM (Equine Protozoal Myeloencephalitis)
How is Sarocystis neurona transmitted?
consumption of sporocytes in opossum feces
How is Sarocystis neurona prevented?
avoid contact with opossums and prevent opossum access to food
What is GIN?
Gastrointestinal nematodes
Scientific Name for Barber Pole Worm
Haemonchus contortus
Haemonchus contortus are _________________.
veracious bloodsuckers
What is used to determine level of anemia/when sheep should be dewormed?
FAMACHA scale
Scientific Name for Small Stomach Worm/Bankrupt Worm
Trichostrongylus axei
Scientific Name for Brown Stomach Worm
Ostertagia osteragi
What damage can Ostertagia osteragi cause?
larval destruction of gastric glands in abomasum
Scientific Name for Lungworm of the Cattle
Dictyocaulus viviparous
What clinic signs are seen with Dictyocaulus viviparous?
respiratory symptoms like coughing and dyspnea
Liver Fluke Scientific Name
Fasciola hepatica
Intermediate Host of Fasciola hepatica
snail is the intermediate host
Scientific Name for Hookworm of the Cattle
Bunostomum phlebotonum
Scientific Name for Whipworm of the Cattle
Trichuris ovis
Scientific Name for Tapeworm of the Cattle
Moniezia benedini
Intermediate Host for Moniezia benedini
pasture mites
Scientific Name for Roundworm of Ruminants
Nematodirus
