dangqian,chuncanshengchanzhengchuzaixiaocansiyuhuodeqiangjiantizhihezhengchangfayudejichushang,jixuqushishequyingyangzengchangcantiheshengchengsidanbaidezhuangcansiyangjieduan。qisiyuchengjizhijieguanxidaocanjianchanliangdegaodihejianzhideyoulie。yinci,zhuangcansiyangshijuedingcanjianfengchanyufoudeguanjianshiqi,genjuzhuangcandeshenglitedian,gedicannongyaojiaqiangsiyangguanli,抓好以下技術要點:
1、桑葉的采運。壯蠶用桑量多,每日早、晚兩次隨采隨運,輕裝快運,避免日中采葉,桑葉運至室內,抖鬆散熱。桑葉采摘,最好能做到晨采日用、傍采夜用,以確保桑葉新鮮。
2、嚴格消毒防病。在壯蠶飼養盛食期,每天可用消特靈主劑(不加輔料)一包,配水25公斤,進行蠶體、蠶座、桑葉葉麵噴霧消毒。勤除沙,多撒新鮮石灰粉,按1:500倍配比添食滅蠶蠅溶液,防止蠅蛆病的發生。
3、稀放飽食。春蠶飼養期間氣溫前低後高,加上蠶戶飼養小蠶不加溫,養“滿月蠶”居(ju)多(duo),導(dao)致(zhi)春(chun)蠶(can)後(hou)期(qi)尤(you)其(qi)是(shi)五(wu)齡(ling)期(qi)遇(yu)高(gao)溫(wen)逼(bi)熟(shu)。因(yin)此(ci),根(gen)據(ju)春(chun)蠶(can)後(hou)期(qi)出(chu)現(xian)的(de)高(gao)溫(wen)悶(men)熱(re)氣(qi)候(hou),應(ying)采(cai)取(qu)開(kai)門(men)窗(chuang)通(tong)風(feng),稀(xi)放(fang)飽(bao)食(shi),盒(he)種(zhong)飼(si)養(yang)麵(mian)積(ji)四(si)齡(ling)蠶(can)13.5~15㎡(方扁16隻),五齡蠶飼養麵積36~40㎡(方扁40~45隻)。五齡盛食的用桑,應用新梢青蕻芽葉喂蠶,爭搶時間盡量使蠶多食桑葉。俗話說“一口桑葉一口絲”,促使蠶體健壯,增絲腺結良繭,從而提高蠶繭產質量,以獲得春蠶豐產豐收,提高經濟效益。
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