如果雞的日糧中食鹽不足，會引起食欲不振和消化障礙，雛雞發育遲緩，出現啄癖
，產蛋母雞的體重
、蛋重減輕

，產蛋率下降。雞的日糧中食鹽含量以0.37％～0.5％為wei宜yi
，用yong量liang必bi須xu準zhun確que。在zai配pei合he日ri糧liang時shi應ying考kao慮lv動dong物wu性xing飼si料liao的de含han鹽yan量liang，然ran後hou確que定ding補bu充chong食shi鹽yan的de用yong量liang。如ru在zai日ri糧liang中zhong使shi用yong鹹xian魚yu粉fen時shi，必bi須xu先xian分fen析xi它ta的de含han鹽yan量liang，否fou則ze往wang往wang因yin鹹xian魚yu粉fen用yong量liang過guo多duo引yin起qi食shi鹽yan中zhong毒du。

氯和鈉元素存在於雞體的體液、ruanzuzhihejidanzhong，juyouweichijitidesuanjianpingheng，baochixibaoyuxueyejianshentouyadepingheng，shijitizuzhibaochiyidingdeshuifen，ciwaihaishixingchengweiyeyuweisuandeyuanliao
，nenggoucujinxiaohuameidehuodong
，duizhifanghedanbaizhidexiaohuaxishouqizhongdazuoyong。shiyannenggaishanriliangdeshikouxing，cujinshiyu，tigaosiliaoliyonglv
，suoyi，shiyanjishibixudeyingyangwuzhiyoushitiaoweipin。