jinnianlai,youyunongyaodedaliangshiyongyijibulaoqiangdujiadadengyuanyin,daozhiniqiudetianranziyuanjianshao,yinci,niqiuderengongyangzhiyiyuelaiyueweiguangdayangzhihusuokanhao。youyuyangzhiniqiudeshuiyuyibanjiaoqian,qieduoweijingshuizhuangtai,suoyiyangzhishuizhirongyiehua,yinci,zaibinghaifangzhifangmianyingzhuyikexuehelitouweiyushifei,qiefangyangmiduyaoqiadang,bingjingchangjiazhuxinshui,yibaochishuizhiqingxin。做好泥鰍養殖的病害預防工作主要是做好以下六點:
飼養環境
niqiudesiyanghuanjingyingxuanzezaibifengxiangyang,kaojinshuiyuandedifang。niqiuduishuizhideyaoqiubugao,danbeinongyaowuranhuohuaxueyaowunongduguogaodeshuiyubunengzuoweiyangzhiyongshui。miaozhongfangyangqian,yaojiangchitangjinxingchediqingzheng、消毒,並在池塘中種植一些水生植物,給泥鰍提供一個遮蔭、舒適、安靜的生活環境,同時,水生植物的根部還為一些底棲生物的繁殖提供場所,為泥鰍提供天然餌料。
苗種質量
要選擇體質健壯、活動力強、體表光滑、無病無傷的泥鰍苗種。
苗種消毒
苗種放養前,最好用2%-3%的食鹽水浸浴5-10分鍾,以殺滅其體表的病原體。
放養密度
在泥鰍養殖期間,如放養密度低,則造成水資源的浪費,放養密度過高,又容易導致泥鰍患病。一般放養體長3-4厘米的夏花每平米100-150尾,體長在5厘米以上的苗種可放養每平米50-80尾,條件好的情況下可適當增加放養量,否則要適當減少放養量。
飼料管理
泥鰍是一種雜食性的淡水經濟魚類,尤其喜食水蚤、絲蚯蚓及其它浮遊生物,但動物性飼料一般不宜單獨投喂,否則容易造成泥鰍貪食,食物不消化,腸呼吸不正常,“脹氣”而死亡,對腐臭變質的飼料絕不能投喂,否則泥鰍易患腸炎等疾病。
水質管理
yangzhiqijian,zhuahaoshuizhipeiyushijiangdiyangzhichengbendeyouxiaocuoshi,tongshifuheniqiudeshenglishengtaiyaoqiu,kemiburengongsiliaoyingyangbuquanhesheshibujunyundequedian,haikeyijianshaobinghaidefasheng,tigaochanliang。niqiufangyanghou,genjushuizhiqingkuangshishishiyongzhuifei,yibaochishuizhiyidingdefeidu,shishuitishizhongchuyuhuo、爽的狀態。
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