一、图书种类与市场特种农产品的含义非常之广。事实上，目前广义的特种农产品包含了除五大作物以外，几乎所有的种植和养殖产品。如猪、牛都是传统养殖业的重要养殖对象，但随着新品种的开发和市场需求变化，肥牛、瘦肉型猪、香猪等的养殖已成为养猪和养牛业的重要内容。... First, the types of books and markets The meaning of special agricultural products is very wide. In fact, the current broad specialty of agricultural products includes almost all of the cultivated and farmed products except for the five major crops. For example, pigs and cattle are all important breeding targets of traditional aquaculture. However, with the development of new varieties and changes in market demand, the breeding of beef cattle, lean meat pigs and pigs has become an important part of pig raising and cattle breeding . ...