 Cattle farming accounts for the majority of agricultural output in Wales—in 1998 the production of beef contributed 23% of Welsh agricultural output, whilst in 2002 25% of agricultural output was in the production of dairy products.Welsh beef has a European Union Protected Geographical Indicator, so it must be wholly reared and slaughtered in Wales.Pigs were the primary meat eaten by early Welsh folk, which could be preserved easily by salting.