我国地方猪种特点各异,有繁殖性能高的、有肉质好的,且都耐粗饲能力强、抗逆性和适应性强,饲养成本又明显低于国外猪品种,因此,对地方猪因地制宜地饲养和管理是畜牧业发展的重中之重。从目前对饲养标准来看,大多围绕仔猪、生长育肥猪、妊娠母猪、泌乳母猪等都有相关的地方标准和行业标准,但对地方猪的饲养并没有统一的标准,我国地方猪对青饲料和粗饲料的需求比较高,行业为什么没有制定地方猪饲养的相关标准?标准的制定存在哪些困难?不同地方猪 Pig breeds in our country have different characteristics, reproductive performance, good flesh, and are resistant to rough feeding ability, resistance and adaptability, feeding costs and significantly lower than the foreign pig breeds, therefore, the local pigs Feeding and management according to local conditions is the most important part in the development of animal husbandry. From the current standards of feeding, most of the surrounding piglets, fattening pigs, pregnant sows, lactating sows and other related local standards and industry standards, but there is no uniform standard of local pig breeding, pigs in our country The demand for green fodder and roughage is relatively high, why the industry has not formulated the relevant standards for local pig breeding? What are the difficulties in the formulation of standards? Pigs in different places