Breed Standard

Gloucestershire Old Spots Pig Breed Standard adopted from the British Pig Association

The GOS is a large breed, white in color with a minimum of one distinct black spot. It has lop ears which will almost cover the face of a mature pig.

  • Head: Medium length.
  • Nose: Medium length and slightly dished.
  • Ears: Well set apart, dropping forward to se, not at the sides, nor thick nor coarse, not longer than nose.
  • Neck: Medium length with jowl little pronounced.
  • Shoulders: Fine but not raised.
  • Back: Long and level; should not drop behind shoulders.
  • Ribs: Deep, well sprung.
  • Loin: Very broad.
  • Sides: Deep, presenting straight bottom line. Belly and flank, full thick. Well-filled line from ribs to hams.
  • Quarters: Long and wide with thick tail set well up.
  • Hams: Large and well filled to hocks.
  • Legs: Straight and strong.
  • Skin: Must not show coarseness or wrinkles.
  • Coat: Silky and not curly. No mane bristles. Not less than one clean decisive spot of black hair on black skin. Black should not predominate.
  • Underline: Straight, with a minimum of fourteen sound, evenly spaced and well-placed teats starting well forward.


  • Neck: Heavy jowl objectionable.
  • Ears: Short, thick and elevated.
  • Coat: A rose disqualifies. A line of mane bristles is objectionable. Sandy color may disqualify.
  • Skin: Serious wrinkles. Blue undertone not associated with a spot.
  • Legs: Crooked.