Causative agent 
- Sarcoptes scabiei var suis


Differential diagnosis 
- Demodectic mange
- Parakeratosis
- Dermatomycosis
- Photosensitization
- Chronic swine fever



1. History taking 
- High morbidity in piglets
- Poor management and sanitation



2. Clinical examination 
- Itching
- Thickened, rough and dry skin
- Skin inflammation, presence of small red papules
  and general erythema
- Skin covered with grayish crusts, thrown into large
  fold
- Skin lesions on the head (preferred site is the inner
  ears), over body, tail and legs
- Slow growth rate

3. Microscopic examination 
- Detection of mites in skin scrapings, especially the
  external ears, under microscope
- Maceration method (dip skin scrapings in 10%
  potassium hydroxide and examine under
  microscope)

Control and treatment 
- Isolation of infested pigs
- Thoroughly repeat treatment with effective
  acaricides
- Clean the stall and surrounding area
- Buildings and materials in a dry state for 3 weeks
- Prevention by routine treatment of all pigs after
  weaning, a month before farrowing in sows and
  prior to breeding season in boars