内陆养猪业，是建立在自给半自给的小农经济基础上的脆弱产业，以一家一户小规模的经营为主，组织化程度低，对市场变化的应变能力弱，养猪户对瞬息万变的国际农产品市场缺乏了解与应对能力。加入WTO后，国家的关税壁垒功能逐渐丧失，而非关税的技术壁垒尚处于起步阶段（目前远 Inland pig farming is a fragile industry based on the self-sufficiency and semi-subsistence peasant economy. It is dominated by small-scale farming at one household with a low level of organization and weak resilience to market changes. Swine farmers are rapidly changing Of the international agricultural markets lack understanding and coping ability. After China’s accession to the WTO, the function of tariff barriers in the country is gradually lost, while non-tariff technical barriers are still in its infancy