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Derm Final
Frank Videla
76
Veterinary Medicine
Graduate
03/20/2015

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Cards

Term
Face flies transmit
Definition
Moraxella bovis- pink eye
Term
Of the flies videla mentioned- which are weak fliers and can be managed with fans
Definition
Horn flies Haematobia irritans
Term
These flies you will see on the legs of animals and can fly up to 20 km
Definition
Stable flies
Term
These flies you see on back of animal- can transmit summer mastitis and also cause a decrease in weight gain.
Definition
Horn flies Haematobia irritans
Term
Why is insect growth regulator sometimes FED to cows?
Definition
accumulates in feces and gets to larval flies
Term
Most common type of mange in cattle
Definition
Chorioptic mange
Term
straw bedding, overcrowding, and exposure to cats are factors that predisopse a cow to:
Definition
Fleas
Term
If not generalized where are the classic locations for sarcoptic mange in:
Cattle?
Goats?
Definition
Inner thigh, netral neck, brisket, base of tail
Face
Term
Mites are more of a problem in (summer/winter)
Definition
Winter
Term
How to dx porcine circovirus
Definition
histo lesions with virus (IHC)
Term
Four main syndrome of porcine circovirus
Definition
PMWS - postweaning multisystemic wasting sydnrome
PRDC - porcine resp disease complex
PDNS - procine dermatitis and nephropathy syndrome
repro/gi/cns
Term
which virus is more hardy- PRRS or PCV
Definition
Porcine circovirus
Term
Thumps in pigs
Definition
Swine Influenza
Term
How do you collect samples for swine influenza
Definition
put out hanging cotton ropes and wait for pigs to chew and then put saliva in a plastic sample bag
Term
what kind of vaccine do a lot of farms use for swine influenza?
Definition
Autogenous
Term
Type a flu that affects pigs is : (A,B, or C)
Definition
A
Term
TGE ( transmissible gastroenteritis) is in what virus family
Definition
Coronaviridae
Term
this virus gets baby pigs because their GI system isnt good at cell regerneration
Definition
TGE (transmissible gastroenteritis)
Term
the main immungolbulin that protects against TGE
Definition
sIgA (secretory IgA)
Term
Managing this pig virus may require "feedback" or feeding sows ground up intestines of dead pigets or feeding feces to each - eww
Definition
TGE (transmissible gastroenteritis)
Term
Porcine resp cornavirus is mutant form of:
Definition
TGE (transmissible gastroenteritis)
Term
This is a new GI virus in pigs looks identical to TGE
Definition
PED (Porcine epidemic diarrhea)
Term
Types of cornoviruses that affect pigs
Definition
TGE
PED
Procine resp cornavirus
VWD/HEV
Term
Which pig coronavirus will go to trigeminal and because of nerve involvement causes vomiting
Definition
VWD/HEV
Term
A differential for VWD/HEV but is eradicated from commercial farms at this time
Definition
Pseudorabies
Term
Classic culicoides hypersensitivity
Definition
Main and tail pruritus
Term
Most common pruritic disease of horses in summer
Definition
Culicoides hypersensitivity
Term
Culicoides are vectors for thus equine parasite
Definition
Onchcerca
Term
What are two alterations to stable to decrease culicoides exposure
Definition
Fine mesh screen
Ceiling fans
Term
Hallmark of preventing culicoides hypersens
Definition
Insect repellent -1% permethrin
Term
When to apply insect sprays on horses ( day/night)
Definition
Night when not sweating
Term
Frank fav Tx for pruritus in horses
Definition
Hydroxyzine
Term
Steroids for pruritus in horses OK?
Definition
Yes
Term
species specific ectoparasite
Definition
Lice
Term
ectoparasite- ratty coat in horse
Definition
Lice
Term
thickness of skin- "zebra stripes" from edema and thickening of skin in horse means:
Definition
Pruritus
Term
Dx for lice ( usually)
Definition
Tape cytology
Term
Environmental tx with flea products?
Definition
Yes- they can live off host for just a little bit so good to be thorough
Term
Most common mange in horses
Definition
Chorioptes
Term
Lesions seen with mange in horse
Definition
secondary lesions due to pruritus
Term
Leg and tail mange of horses
Definition
Chorioptes
Term
Chorioptes is seen most common in which breeds of horses
Definition
Feather breeds
Term
Pruritus of lower limbs in horses
Definition
Chorioptes
Term
Rare reportable mange of horse
Definition
Sarcoptes ( Scabies)
Term
Body mange of horses ( rare disease) due to
Definition
Psoroptes
Term
Most common presenation of Psoroptes in horses
Definition
Ear
Term
When would you wanna call state vet for a Psoroptes infestation in a horse?
Definition
When affecting body of horse
Term
6 main ddx for main and tail pruritus ( and a 7th for tail only)
Definition
Culicoides hypersens
other hyper sens
Lice
Pyoderma ( prob secondary to one of these)
Mange ( ie mites)
Pinworms
7th: Vice
Term
Focal ventral midline dermatitis due to:
Definition
Hornfly Hpyersens/irritation
Term
Easiest way to prevent horn fly irritation hypersens
Definition
petroleum based product to prevent the biting
Term
Big four ddx for scaling and crusting in horse
Definition
Dermatophlius
Dermatophyte
Term
Most common cause of crusting in horse
Definition
Dermatophilus congolensis (rain rot)
Term
Most important factor in predisposing for dermatophlius infection
Definition
Moisture and skin damage
Term
Fall and winter horse derm disease but around here also spring
Definition
Dermatophilus congolensis (rain rot)
Term
Lesions for rain rot
Definition
crusts
Term
Classic crust for rain rot ( but not pathognomonic)
Definition
Paintbrush crust
Term
This infectious horse derm disease can acutely cause erythematous papules that are worse in white areas ( maybe a photosensitization?)
Definition
Dermatophilus congolensis (rain rot)
Term
If you look at a horse and say " wow thats the worst dermatophilus ive ever seen" you need to rule out______.
Definition
Pemphigus
Term
Dx of Dermatophlius:
Definition
Grind ip crusts in saline
look on thicker spots on slide
you'll see the rail road tracks
Term
Tx Dermatophilus
Definition
Maybe clear up with dry weather but:
2% Chlorohex spray twice daily
Term
Penicillin works well for Deramtophilus but it requires:
Definition
Injections
Term
Dermatophyte is more common in which season
Definition
Winter
Term
Most common dermatophyte to cause the problems in horses
Definition
Trichophyton equinum
Term
Dermatophyte of cattle and camelids
Definition
Trichophyton verrucosum
Term
"Urticaria" that progresses to crusting:
Definition
Dermatophyte
Term
Inflammatory dermatophyte lesion
Definition
Kerion
Term
Dermatophyte can affect the coronary band in horses. Is it more likely to affect just one or all four?
Definition
Just one- if all four dermatophyte lower on list
Term
Dx of dermatophyte in horses prob requires________ if clinical appearance isnt enough
Definition
Culture on special enrichment media
Term
When to go to topical fungicides for deramtophyte in horses
Definition
when chorhex not working well
Term
Important point in treatin Dermatophyte
Definition
Prevention!
Term
4 ways to dx suspected folliculitis in a horse ( where the fourth one is really when you suspect something else)
Definition
Cytology
Skin scrape
culture/sens
Biopsy
Term
Biopsy as a dx tool for contact dermaitits in horses will distinguish it from allegic dermatitis (T/F)
Definition
False- but will show cells are dying from outside in
Term
Most common form of photosensistivty in horses
Definition
Primary- the agent ingested is photodynamic
Term
Four types of photosens in horse
Definition
Primary
Secondary (hepatogenous)
Congenital ( not described in horse)
Photocontact
Term
If see a horse with sunburns why would you want to do a chem panel
Definition
Look for liver disease
Term
Ivermectin is better for biting or sucking lice
Definition
Sucking
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