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Clinical Dermatology > Dermatological Diseases of Swine > Flashcards

Dermatological Diseases of Swine Flashcards

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Dermatology Board Prep flashcards
1
Q

what is the agent of greasy pig disease/exudative dermatitis?

A

Staphylococcus hycius subsp hycius

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2
Q

what is the exudate like in exudative epidermitis?

A

dark brown, greasy
vesiculopustular eruptions snout, oral cavity, coronary bands

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3
Q

is Erysipelas/diamond skin disease zoonotic?

A

yes

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4
Q

how can Erysipelas present?

A

fever, depression, anorexia secondary to bacteremia
sudden death
stiffness
diamond lesions on day 3 of infection

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5
Q

what lice affect swine?

A

Haematopinus suis: sucking louse

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6
Q

what is the most important skin disease of swine worldwide?

A

Sarcoptic mange

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7
Q

how long does Sarcoptic mange survive in the environment?

A

3 weeks

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8
Q

what are the two forms of Sarcoptic mange?

A

allergic form
chronic form

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9
Q

what causes swinepox/pig pox?

A

suipoxvirus of the poxviridae

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10
Q

what is aplasia cutis/eputheiogenesis imperfecta associated with?

A

hydroureter
hydronephrosis
skull defecits

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11
Q

what causes parakeratosis?

A

zinc deficiency
interference with absorption of zinc

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12
Q

what viral disease can cause dermatological disease in swine?

A

swinepox

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13
Q

what fungal disease can cause dermatological disease in swine?

A

dermatophytosis

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14
Q

what nutritional disease can cause dermatological disease in swine?

A

parakeratosis

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15
Q

what genetic diseases can cause dermatological disease in swine?

A

aplasia cutis
dermatosis vegetans
juvenile pustular psoriasiform dermatitis

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16
Q

what predisposes to exudativee epidermitis?

A

suckling/recently weaned
trauma, poor nutrition, stress, poor hygiene

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17
Q

how can you treat exudative epidermitis?

A

anitbiotics
topical creams
chlorhexidine shampoos
supportive care

18
Q

what is thee agent of erysipelas/diamond skin disease?

A

Erysipelothrix rhusiopathiae

19
Q

what leads to bacteremia in erysipelas/diamond skin disease?

A

ingestion or access through wounds
stress, poor hygiene, overstocking

20
Q

when are diamond skin lesions seen with erysipelas?

A

day 3 of infection

21
Q

what happens 3 weeks post infection with erysipelas?

A

arthritis or endocarditis

22
Q

how can you treat erysipelas?

A

penicillin
NSAIDs
vaccination

23
Q

what causes ringworm/dermatophytosis in swine?

A

Microsporum
Trychophyton

24
Q

what are the signs with dermatophytosis?

A

round/oval raised areas progress from erythema to crusting
head, trunk
no systemic signs
multiple affected

25
Q

how can you treat dermatophytosis?

A

self-cure
topical: iodine, chlorhexidine, bleach

26
Q

what might lice transmit?

A

swine pox

27
Q

what do pediculosis/lice cause?

A

pruritus
anemia
decrease rate of gain

28
Q

how can you treat pediculosis?

A

topicals: ivermectin, doramectin, amitraz
also treat sarcoptic mange like this

29
Q

what percentage of herds are affected by sarcoptic mange?

A

70-90%

30
Q

why is sarcoptic mange a problem?

A

economic losses: reduced growth rates, decreased feed efficiency, infertility

31
Q

what serves as the reservoir of sarcoptic mange?

A

hyperkeratotic lesions in ears

32
Q

what does the allergic form of sarcoptic mange look like?

A

intense pruritus
secondary lesions
wax in ears

33
Q

how sensitive are scrapings for sarcoptic mange?

A

33%

34
Q

who is impacted by swinepox?

A

young pigs 3-6 weeks

35
Q

how is swinepox spread?

A

direct
transplacental
biting insects

36
Q

what does aplasia cutis look like?

A

3-8 cm ulcers on back, loins, legs present at birth
may fill in or lead to death

37
Q

what is seen with dermatosis vegetans?

A

skin: small pink swellings covered with crust, 2-3 weeks age
hooves: swelling/erythema coronary band, yellow exudate, thick hoof walls with horizontal grooves
pulmonary defects

38
Q

what causes porcine skin necrosis?

A

concrete with lime, bleach, formalin still on

39
Q

what does parakeratosis look like?

A

symmetrical erythema
hard, black scales along legs, ventrum, head, tail
deep fissures

40
Q

what does juvenile pustular psoriasiform dermatitis look like?

A

ring with bright red periphery around central crater
mosaic patterns
small erythematous papules expand
white pigs

Clinical Dermatology (16 decks)

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