Another party providing input to the farmers are veterinarians. They take care of pig health and visit farms on a regular basis. They also perform quality audits and give advice to farmers.
Video of farm sanitary and hygiene of pork chain in France
AREPSA- Association Régional Porcine de Promotion Sanitaire (regional association for pig sanitary promotion)
DDSV- Direction Départementale des Services Véterinaires (Directory of veterinarian services)