For farms with spare manure capacity and enough level areas for the stables, chicken fattening can be an interesting operation. The leaflet provides an overview of on-farm fattening of broiler chickens from the market situation, production and husbandry to feeding and business management. The publication also provides information on animal health and welfare, disease prevention and measures against predators. Although the leaflet is aimed at Swiss organic farmer and advisors it would be useful in other European countries, as well