北京市饲料科学技术研究所副所长、高级畜牧师刘忠贤先生早年就在奶牛养殖场和奶牛研究所工作过,后来又在日本的一些牧场、实验场、奶牛协会等多处研修奶牛生产,积累了许多关于奶牛生产、改良、饲料营养等方面的经验;也经历过许多国内、国外奶业发展中出现的各种情况。怀着一颗对中国乳业发展尽份薄力的诚心和对改善农民生活的真切关心,他特为本刊写了下文。 Mr. Liu Zhongxian, deputy director of Beijing Institute of Feed Science and Technology, senior animal husbander, worked in dairy farms and dairy research institutes in his early years, and later he trained dairy farms in some ranches, experimental sites and dairy cows in Japan. A lot of experience on cow production, improvement, feed nutrition and so on; also experienced a variety of situations in the development of many domestic and foreign dairy industry. With a heartfelt sincere dedication to the development of China’s dairy industry and real concern for improving the lives of peasants, he wrote the following article specifically for this magazine.