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EQUINE ICBP 2 > PART 7 > Flashcards

PART 7 Flashcards

1
Q

insect hypersensitivty other term

causative agent
- this one prefers what side

this flies prefer VENTRAL part of abdomen

A

Mosquitoes
Prefer lateral side of bodies
Prefer stagnant water

Biting midges (Culicoides)

Queen’s land itch
Summer itch
Sweet Itch

Blackflies (Simulium)
Prefer flowing water
Horseflies (Tabanidae)
Horn flies (Haematobia irritans)
Prefer ventral part of abdomen
Breed specifically in freshly laden cattle feces
Stable flies (Stomoxys)*
Houseflies*
*Decaying matter or vegetation
Bees
Wasps

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2
Q

is insect hypersensity seasonal? y/n

A

y

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3
Q

breeding areas
Mosquitoes and biting midges :
Black flies:
Horn Flies:
Stable and house flies:

A

Mosquitoes and biting midges : stagnant water
Black flies: flowing water
Horn Flies: breed in fresh cattle feces
Stable and house flies: decaying vegetation, matter

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4
Q

all insects mentioned are active during the day t/f

A

f - mosq and biting midges NOT ACTIVE during day

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5
Q

tx of insect hypersens

A

Corticosteroids
If antihistamine is ineffective
Hydroxyzine hydrochloride
Allergies, urticaria in horses
Antihistamine
Permethrin and pyriproxyfen
Pyrethrins and pyrethroids

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6
Q

aside from parasites, these meds have been associated with pruritic diseases

A

cutaneous drug interaxn

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7
Q

what are the drugs involved in cutaneous drug interaxn

A

Penicillin
Streptomycin
Oxytetracycline
Neomycin
Chloramphenicol
Sulfonamides
Phenothiazines
Phenylbutazone
Guaifenesin
Aspirin
Glucocorticoids

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8
Q

Diagnosis
Some would recommend _______allergic reaction by administering these drugs

High risk due to induced _____
Withdraw the drug and observe if CS goes away

A

inducing
anaphylaxis

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9
Q

Also known as rain scald

causative agent

A

DERMATOPHILOSIS
Dermatophilus congolensis

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10
Q

rain scald prereqs for multiplication

A

Moisture = rain scald
Trauma to skin

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11
Q

main tx for rain scald

A

wound managenemnt

Lime sulfur**
Benzyl peroxide*
Chlorhexidine*
Available in *shampoo preparation and **dips

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12
Q

most common contagious disease in horses
Easily transferred from one to another
Known as ringworm

A

dermatophytosis

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13
Q

most common isolates of ringworm

A

Trichophyton equinum
T. mentagrophytes
Microscoporum gypseum
M. canis

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14
Q

ringworm is ____ and _____

A

selflimiting and zoonotic

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15
Q

lesions of ringworm

sample is collected at the ___ of hair

A

Scaling
Circular areas

periphery of lesions

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16
Q

DIAGNOSIC test for ringworm but NOT practical in horses

A

woods lamp

17
Q

tx of ringworm

A

Miconazole
w/ chlorhexidine
As shampoo
Same with dogs

Lime sulfur
Dilute beach soln
1:10 dilution in water
Less expensive option
With characteristic odor
Systemic antifungals
Generally more expensive than topical tx

18
Q

systemic drugs used in ringrowm tx

A

Griseofulvin*
Itraconazole*
Sodium iodide*
*Systemic drugs
May induce abortion

19
Q

Begin as traumatic injuries from which an Infectious organism will be Inoculated in the dermis

bacterial granulomata

causative agen

A

Botryomycosis

Botryo: grapes; Grape-like nodules

staph aureus

20
Q

botryo test

A

fungal/bacterial culture

21
Q

Aka pigeon fever
Spread by Horn flies (Haematobia irritans)

causative agent

A

Corynebacterial infections

Corynebacterium pseudotuberculosis

22
Q

coryne:
Breast muscles
Pigeon fever
Breast looks like a pigeon
Inflammation and abscesses
Drain purulent material - whitish/greenish in color
Sample for culture
During summer or fall

A

abscesses

23
Q

coryne:
Inflammation of lymph vessels
Along lymph vessels, there are nodules → ulcers
Problem: disfiguration of animal especially in limbs
More on fetlocks
Performance gravely affected

A

ulcerative lymphangitis

24
Q

coryne tx

A

procaine penicillin (large doses( + wound mgt

surgical draianage
- Wait for abscess to mature
Hasten maturation of abscess by applying warm compress → surgically incise abscess

25
Q

dx for xoryne

A

Lesions
Gram stain
Bacterial culture

EQUINE ICBP 2 (6 decks)

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