我国畜牧业发展的总体目标是大力发展牛、羊等草食家畜，适度减少猪、鸡等养殖比例，逐步形成一个“节粮型”的畜牧业结构。由于近几十年来对草原的掠夺性使用，我国草原严重退化、沙化和盐碱化，草地生产对现有牲畜已不堪负担。因此，我国发展草食家畜的重心将转向农区，青贮 The overall goal of animal husbandry development in our country is to vigorously develop herbivorous livestock such as cattle and sheep, and moderately reduce the proportion of farmed pigs and chickens and gradually form a “grain-saving” livestock husbandry structure. Owing to the predatory use of grasslands in recent decades, grasslands in our country have been seriously degraded, desertified and salinized, and grassland production has become overwhelmed by the existing livestock. Therefore, the focus of our country’s development of herbivorous livestock will shift to farming areas and silage