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Livestock Entomology Exam 3 Review

Terms in this set (41)

How many lice species in horses do we find in Oklahoma
3
Swine mange is caused by:
sarcoptic mites
Which of the following will increase horn fly resistance
if an ear tag fails retag with another insecticide
Onchocerciasis is a non-life threatening condition caused by
Threadworms
What animal does avian influenza I not cycle through
lizards
What disease presents with mouth sores (like foot and mouth disease), and can be transmitted by both flies and direct contact
Vesicular stomatitis virus
_______ tabanids feed on animals in pastures
Female
______ is a behavior exhibited by cattle attacked by the heel fly
gadding
The northern fowl mite is the most important external parasite of ____
poultry
What is the toxic compound produced by blister beetles
Cantharidin
Which of the following pathogens is not primarily transmitted by ticks
All are transmitted by ticks
Which CAFO pathogen utilizes wild reservoirs like bison and elk?
Brucella aborta
The feeding punctures of sheep keds, causes a condition known as _____ in tanned goat hides
cockle
The best method of stable fly control for pastured cattle is
sanitation
Face flies overwinter as __________ and seek out the same ____________.
adults and hibernaculum
A face fly has a calcified pupae that _____________________.
Prevents parasitization
What is the main difference between summer and dairy mastitis
summer mastitis is only found in non-lactating animals
Which pest can transmit both Sweet itch in Horses as well as the bluetongue virus in cattle and sheep?
biting midges
Beef producers lose millions of dollars due to arthropod pests by:
All contribute to losses
Which tick species has been documented to cause tick paralysis in cattle?
American dog tick
Which of the following diseases in the poultry industry does not have zoonotic potential
Marek's disease
Sheep keds belong to which order
Diptera
Chickens eat anything moving in front of them. This makes them particularly susceptible to pathogen infection via which type of transmission?
trophic transmission
Myiasis refers to:
Infestation of host tissues by fly maggots
Which pest is not in CAFOs?
horse flies
Which mite mainly occurs on the forefeet or under the dewclaws of goats?
Chorioptic scab mite
In pastured systems, where is the preferred breeding habitat for stable flies
All are preferred by stable flies
Which of the following ticks causes "gotch ear" in pastured cattle
Gulf coast tick
Which tick species does not feed as adults?
spinose ear tick
The fowl tick is
All of the above
Sheep have a pest that goats generally do not. What pest group do wool maggots belong?
blow fly larvae
Where would you find developing horse and deer fly larvae
in semi aquatic environments, such as pond or stream banks
The major insect involved in the transmission of salmonella to poultry is the
litter beetle
What are the two best methods of managing ticks in a pastured system
Short term pasture rotation (< 2 months) and systemic acaricide application
Swine Pox is transmitted by:
lice
Bot fly larvae are found in:
horse's stomach
Eating undercooked pork infected with Trichnella spiralis causes
Trichinosis
Which louse can be seen without magnification?
Hog louse
______ is used to deter fly strike in sheep
crutching
What is not true about horn flies
They are larger than house and stable flies
Fill in the blanks in the table. Disease will be the common name of pathogen. Pathogen needs to be typed in scientific form, Genus species. Choose most common vector for the disease. Host blanks are either cattle, horses, sheep, goats, poultry or swine
Bovine Anaplasmosis: Anaplasma marginale

Conjunctivitis: Flies

Heartwater: Ehrlichia ruminantium

Bovine Leukemia: Ticks

Fowl Typhoid: Poultry

Coccidiosis: Emeria spp.

West Nile: Mosquito

Equine Piroplasmosis: Babesia caballi

African Swine Fever: Soft tick

Q Fever: Coxiella burnetti
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