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fa zhan nai niu sheng chan de ji xiang zhong yao cuo shi
Author(s): 
Pages: 13-15
Year: Issue:  10
Journal: Heilongjiang Animal Science and Veterinary Medicine

Keyword:  重要措施黑龙江省奶牛生产牧区黑白花奶牛单产比粮食乳制品农业发展趋势;
Abstract: <正> 一、发展趋势黑龙江省是全国十大牧区之一,是国家奶牛和乳制品重要生产基地。现有奶牛头数和鲜奶、乳制品居各省、区的首位。据1985年末的统计,奶牛存栏数已发展到25.76万头,与1978年比翻了三番,平均每年递增22.5%。双城、杜蒙、齐齐哈尔、哈尔滨等六个县市奶牛存栏已超过万头,安达市达到2.8万头。过去奶牛多集
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