由you於yu地di鱉bie蟲chong自zi然ran資zi源yuan難nan以yi滿man足zu藥yao用yong,全quan國guo很hen多duo地di區qu已yi普pu遍bian開kai展zhan人ren工gong飼si養yang繁fan殖zhi地di鱉bie蟲chong以yi豐feng富fu藥yao源yuan所suo需xu。但dan在zai人ren工gong大da量liang飼si養yang繁fan殖zhi中zhong常chang有you各ge種zhong病bing害hai及ji螞ma蟻yi、線蟲、老鼠、蜘蛛、蜈蚣等危害,其中尤以蟎類危害最嚴重,常造成地鱉蟲成批死亡,損失慘重。
嚴重危害地鱉蟲的蟎類主要是粉蟎,粉蟎體形微小,體長不到1毫米,灰白色,生有附毛。幼蟎即開始寄生於地鱉蟲各部體表吸取營養,使寄主瘦弱.xingdongdaizhizhizhisiwang。weicizaisiyangdibiechongshiyaojingchangguanchajianzhayouwumanhai,keyongfangdajingchakan,ruofaxianzaisiyangtubiaohuodibiechongtishangyouxiaobaidianhuozongsexiaodianshiquerenshifouweiman,yibianjishiyouxiaofangzhi。
(一)預防方法 1、在地鱉蟲飼養前,將備好的飼養土,先經陽光曝曬消毒,嚴格控製蟎類不隨飼養土帶入飼養池。2、將曝曬消毒的飼養土在入飼養池之前,取生石灰1份,硫磺2份,水14份,混合煮一小時,過濾取出藥液,均勻噴灑飼養土,經一周後將飼養土放入飼養池即可飼養地鱉蟲,以後最好每隔20-30天更換一次飼養土,清除其中黴敗土和糞便,長期保持飼養土清潔,還要注意飼養土不要過濕,保持幹爽疏鬆。3、要嚴格控製飼料(糠麩等)不帶有蟎類進入飼養池,在使用糠麩等精飼料時,應先經微火炒熟,殺死飼料內蟎類,炒後的飼料具有香味,可刺激地鱉蟲食欲。4.注(zhu)意(yi)飼(si)養(yang)池(chi)清(qing)潔(jie)衛(wei)生(sheng),及(ji)時(shi)清(qing)除(chu)壞(huai)死(si)的(de)卵(luan)鞘(qiao)和(he)死(si)蟲(chong),喂(wei)料(liao)時(shi)注(zhu)意(yi)不(bu)要(yao)過(guo)量(liang),防(fang)止(zhi)餘(yu)料(liao)滲(shen)入(ru)土(tu)層(ceng),均(jun)可(ke)製(zhi)止(zhi)和(he)減(jian)少(shao)蟎(man)害(hai)發(fa)生(sheng)。若(ruo)已(yi)發(fa)現(xian)蟎(man)類(lei)侵(qin)入(ru)飼(si)養(yang)池(chi),應(ying)及(ji)時(shi)采(cai)取(qu)有(you)效(xiao)防(fang)治(zhi)。
(二)防治蟎害方法 1、將飼養池剩餘飼料連同飼養土的表層刮出約30厘米,以清除初發生的蟎類。2、用炒熟的糠麩、豆粉等誘餌在白天誘除蟎類,傍晚收集誘餌滅殺處理,或將煮熟的鹹肉、骨頭、魚等香餌,白天放在飼料板上誘蟎,每隔2小時清除一次,用開水燙死蟎類,連續多次誘蟎,均可減輕蟎害。3、zaimanleiyichangjuefashengchengzaishi,yingchedigenghuanquanbusiyangtu,xianjiangdibiechongcongsiyangtuzhongshaichuyiruzhuangyouganzaoxisharongqizhong,rangdibiechongzaishazhongpaxingbanxiaoshi,shimocadiaojishengzaidibiechongtishangdemanlei,tongshiyongchaicaoshaokaopeiyangchikengbi,shaosichineicanliumanleihou,zaihuanruwumandexiansiyangtusiyang。4、藥劑治蟎,先將池內地鱉蟲從飼養土篩出,用三氯殺蟎碸和20%蟎卵酯粉劑,以1:400倍稀釋液拌入飼養池土內,每立方米飼養土用三氯殺蟎碸50kejikeshasiyoumanheluan。shiyongyaojizhiman,tebieyaozhuyianquan,yaojibuyaoshanghaidibiechongshengchang,zuihaoduocaiyongqitaxingzhiyouxiaofangfa,jinliangbuyonghuoshaoyongyaoji。
手機版




