Please find below a list of some links that we think you might find useful.
BPEX
British Pig Association
National Pig Association (NPA)
River Cottage
VMD Database
Country Landowners Association (CLA)
NOAH
VMD Adverse Event Form
VMD Complaints
Pig Courses
Oakland Pigs
Tedfold Farm
Smallholdings
Accidental Smallholder
Country Smallholding
Gofarmer
Small Holder Magazine
Breed Clubs
British Saddleback
British Lop
Large Black
Middle White
Tamworth
Berkshire Pig
Gloucestershire Old Spots
Kunekune
Oxford Sandy & Black
The Rare Breed Survival Trust lists many more breed societies here.