2005-6-9 10:49:46
Spring silkworm period climate is appropriate, mulberry leaf quality is good, cause of disease is little, cause disease low, it is the first-rate in a year silkworm period. But should ensure spring high yield of silkworm high yield, still must strengthen spring the government of silkworm works.1. Disinfect thoroughly before silkworm. Before sericiculture 5 ～ 7 days, should provide to silkworm room, silkworm, room of lay aside mulberry, go up to surroundings of outside and in cleans Cu room thoroughly and be disinfected.
2. Silkworm period is attentive disinfection. Every age before pay removing silkworm is fed, use prevent disease date or 1 lime prevent deadlocked pink to undertake silkworm body silkworm disinfection, can prevent and cure at chloromycetin is being fed to the 2nd Sang Shitian after 3 age pay are fed bacterial sex disease. If produce virus disease, scatter fresh pulverized limestone everyday 1 ～ 2; Ill to deadlocked, scatter the pink that prevent deadlocked 1 times everyday. Silkworm room entrance often should scatter bright lime, before feeding a leaf, mix after dividing sand, want to wash one's hands, change a shoe to enter room. Discover ill silkworm, should reach into fall into disuse, prevent the infection that mix Yo. Lie between 1 ～ 2 days to use at the same time fume poison power to be disinfected 1 times. Room of lay aside mulberry and classics of sericiculture chamber area often spray with solution of 0.3% effective chloric bleaching powder disinfection. After pod sells, silkworm chamber area scatters a fresh pulverized limestone, spray with formalin silkworm is provided, or fumigation, undertake cleaning next, clean disinfection.
3. Adjust silkworm room climate. Spring silkworm period often encounters microtherm much wetter environment, fail to satisfy the silkworm requirement to temperature, can be in silkworm is indoor warm up with charcoal fire, can rise to fill the action with lukewarm wet platoon. If warm up hind, humidity is too low, should boil water to fill wet.
4. Improve ventilated condition. Want to open door window regularly, remove foul air, introduce fresh air. Want silkworm at the same time feeling Wen Junyun, growth is orderly. Weak air current of demand of small silkworm room, big silkworm room asks ventilated take a breath is good.
5. Timely the enlarge that divide sand. 1 age do not divide sand, 2 age case divide and Mian divides each 1 times, 3 age case except, in divide and Mian divides each. Amount of big nibble mulberry is large, need to divide sand frequently, 4 age divide sand 3 times, 5 age divide sand everyday. Divide Sha Qianxian everyday lime pink, feed 1 ～ 2 times leaf, sand is divided when waiting for a net to fall not to have silkworm basically. Union adjusts silkworm except sand.
6. Accomplish timely on Cu. Stop the Cu on mulberry prematurely, not only knot chrysalis is small and thin, and chrysalis of the battalion that enter foil is late, the good chrysalis that the uric easy pollution that its excrete writtens guarantee early, increase thereby " contaminative chrysalis " . Conversely, go up behindhand too Cu, also can appear " double palace chrysalis " , " abnormal chrysalis " wait for next chrysalis. Reason this, the Cu on ripe silkworm is timely, chrysalis of knot of can seasonable spin, spin measures silkworm qualitative actor of much, chrysalis, volume yield chrysalis is high. In the meantime, go up Cu is few and far between and even, can avoid a knot " double palace chrysalis " , " abnormal chrysalis " , " pollution, chrysalis " wait.
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