Summary table of Skin diseases in farm animals. Organized by species.
Species:
Cows, Pigs, sheep, poultry, camelids.
Table includes disease description, clinical signs, epidemiology, diagnostic methods, treatment/prevention. Include example pictures.
Lice Bovisola ovis - most common Lice + mites: Rubbing Increasing in prevalence Careful parting of wool + Shear sheep
nibbling at wool inspection for lice Treat w/ pour on - (after shear)
Pruritus Mostly autumn/winter - Cypermethrin
diseases Hard to visually diagnose - Alphacypermethrin
Sometimes get mixed - Close grouping = dk if mites or lice - Deltamethrin
infection (lice and mite) (sheds) Dipping
- Long wool Hair pluck - microscope - Synthetic pyrethroids,
Suitable environmental IGR (not UK)
conditions for replication - Organophosphates
Mites (scabs) Psoroptes ovis = sheep scab Pustules ^^ Skin scraping Macrocyclic lactones
Spreading moist lesions - Mainstay of - Ivermectin, Doramectin
High costs to industry Damage to fleece Lives off host for around investigation - Injectable products
17 days - Skill - Variable characteristics
+ Yellowing skin - KOH digestion Will interfere with worming
Clinical signs from w-m if not seen programme → treatment kills
post infection (35d) - ^ was the mite worms as well
alive at time of
Not all sheep show scraping Ineffective against lice
infection - Scrape until see
clean skin ( not Resistance?
Chronic infection of up too deep)
to 2 years - Can redo if Organophosphate dips
- No clinical can’2 see it - Diazinon
signs - AchE inhibitor
Antibody test - Toxic to everything
- Kills within 24h
Response after 2 weeks - Disposal either by
contractor or licensed
Useful quarantine tool land area
Dipping practice:
- Treatment time - 1m
- Head dipped 2x
- Should not be fouled
- Allow sheep to drain into
concrete (not into water)
- Avoid when gonna rain
2
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