鄭長義

水質對畜牧生產之影響. 三. π活性水對豬隻生長及繁殖性能之影響 by: 李國隆; 鄭長義 (書目-語言資料,印刷品) , [計劃主持]

水質對畜牧生產之影響 = Effects of water quality on animal production(2):effects of drink water quality on the performace and milk quality in dairy cow. (二). 飲水品質對乳牛生產性能及牛乳品質之影響 by: 李國隆; 鄭長義 (書目-語言資料,印刷品) , [計畫主持]