鄭長義

水質對畜牧生產之影響 = = Effects of water quality on animal production(二)effects of drink water quality on the performance 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: 鄭長義 (書目-語言資料,印刷品)

水質對畜牧生產之影響 = = Effects of water quality on animal production : effects of drink water quality on the performance and egg quality for laying hen / . 飲水品質對產蛋雞生產性能及雞蛋品質之影響 by: 李國隆; 鄭長義 (書目-語言資料,印刷品)

水質對畜牧生產之影響 = = Effects of water quality on animal production(一)effects of drink water quality on the performance and egg quality for laying hen / . (一), . 飲水品質對產蛋雞生產性能及雞蛋品質之影響 by: 鄭長義 (書目-語言資料,印刷品)