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Key points of harm to healthy breeding and control methods in scale pig farms郭万正, 黄兹豪, 孙华, 李良华, 彭先文, 梅书棋11-13
Effect of dietary supplemented with dihydropyridine on growth performance and semen quality in mice孙明亮23-25
Monitoring results of grassland resources and countermeasures in Liaoning province刘慧林, 庄文发, 王国山, 王宪山, 顾恒琴, 李佳, 金成宇25-27
New model exploration of combined control and prevention for ani-mal epidemic disease on circulation link梅绚28-29