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Flashcards in Skin diseases - pigs Deck (19):
1

giev some (3) examples of spirochetes which often cause skin lesions?

1. borrelia (lymes dz)
2. lepto
3. treponemes (digital dermititis)

2

what is the prevalence of porcine skin lesions?

40%

3

name some non-infectious causes of lesions?

1. vices (biting)
2. shoulder sores
3. abrasions
4. erythema

4

name 2 parasites which can be a source of skin lesions

sarcoptic mange
haematopinous suis
(and flies too)

5

infectious agents such as bacteria and viruses can cause skin lesions, give some examples

1. staph hyicus --> greasy pig dz
2. septicaemia (salmonella, erysipelas, PRRS v, swine fever, haemophilus parasuis (glassers dz))
3. swine pox
4. ringworm
5. PCV2 (PDNS)

6

how much more likely is tail biting in un-docked pigs?

x3

7

where are stifle sores most commonly seen?

hih density grower/finisher

8

what can cause erythema?

sunburn
scalding
hyperkeratosis (over humidity)

9

how would you treat a sarcoptes scabei var suis infections?

deep skin scrape
avermectins

10

what is glassers dz?

haemophilus parasuis (URT commensal)
affects smooth surfaces
polyserositis
meningitis
arthritis
high morb and mortality

11

describe the disease of greasey pig

staph hyicus
exudatitve epidermatitis
exfoliative toxin abs by skin, also damages kidneys/liver
lose keratino cell-cell adhesion
non- pruritic

12

describe the transmission and survival stages of staph hyicus?

x'plies in sow vagina
infected at birth
inc risk in humid environment

13

descr treatment of greasy pig

amoxicillin
lincomycin
mild - use savlon

14

when in combo with what other dz does swine pox become significant clinically

greasy pig

15

what are the 2 types of 'ringworm' that pigs can get and desc the differences

true ringworm = trichophyton mentagrophyte, rodents spread
false ringworm = pityriasis rosea. just appears, goes by 20wo

16

what is the congenital condition which may result in piglet 'missing' areas of skin

epitheliogenesis imperfecta

17

what is PDNS and what causes it

PCV 2
porcine derma and nephropathy syndrome
15% mort
covered in red spots and kidneys also effected

18

what is the risk of treponeme infection?

interspecies transmission as only 3 types. leads to bov DD and CODD too.

19

what is the significance of brachyspira hyodysenteriae in skin disease?

it causes swine dystentry
2ry infection v likely
bloody mucoid d++++
weaners/growers get erythema!