宁夏农垦贺兰山奶业公司员工驾驶农机给奶牛喂饲草（4月23日摄）。为了规模化经营奶牛养殖业，宁夏农垦于2012年投资6.8亿元引领全区奶牛产业快速发展。据了解，2012年，宁夏奶牛存栏49.8万头，鲜奶总产量146万吨，并已成为国内重要的优质奶源基地之一。新华社记者 刘泉龙 摄 Land reclamation in ningxia helan mountain dairy company employee driving agricultural machinery to cows feed grass(April 23 was taken).In order to scale dairy farming,Ningxia agricultural reclamation investment of 680 million yuan in 2012, leading the rapid development of dairy cattle industry.We have learned,In 2012,,Ningxia cows living 498000 head,1.46 million tons of fresh milk production,And has become one of important high-quality milk base in China.The xinhua news agency reporters LiuQuanLong perturbation