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畜牧人

標題: 犢牛對鉀的需要 [打印本頁]
作者: hahaxsnw    時間: 2013-1-11 16:18
標題: 犢牛對鉀的需要
    在牛體內以紅細胞內含量最多。具有維持細胞內滲透壓和調節酸堿平衡的作用。對神經、肌肉的興奮性有重要作用。另外，鉀還是某些酶系統所必需的元素。牛缺鉀時表現為食欲減退，被毛無光澤，生長發育緩慢，異嗜，飼料利用率下降，產奶量減少。夏季給牛補充鉀，可緩解熱應激對牛的影響。高鉀日糧會影響鎂和鈉的吸收。
作者: 火中雪    時間: 2013-1-15 20:35
或高或低不行，均衡即可！



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