春chun季ji氣qi溫wen偏pian低di,蜂feng王wang產chan卵luan後hou,因yin蜜mi蜂feng蟲chong蛹yong發fa育yu的de需xu要yao,工gong蜂feng常chang消xiao耗hao大da量liang的de飼si料liao產chan熱re以yi維wei持chi巢chao內nei育yu子zi區qu恒heng溫wen。蜂feng群qun靠kao密mi集ji結jie團tuan來lai維wei持chi巢chao溫wen,但dan由you於yu高gao度du密mi集ji限xian製zhi了le產chan卵luan圈quan的de擴kuo大da,使shi蜂feng群qun的de增zeng長chang遲chi緩huan。如ru果guo蜂feng群qun保bao溫wen不bu良liang,則ze多duo耗hao糖tang飼si料liao,縮suo短duan工gong蜂feng壽shou命ming,幼you蟲chong發fa育yu不bu良liang,特te別bie是shi當dang寒han流liu來lai臨lin時shi,蜂feng團tuan緊jin縮suo會hui凍dong死si外wai圍wei子zi脾pi上shang的de蜂feng子zi。
箱內保溫:zaishidangdimijiqunshihesuoxiaofengludetongshi,bachaopifangzaifengxiangdezhongbu,qizhongyiceyongzhabanfengge,lingyiceyonggebangekai,zhabanhegebanwaicejunyongbaowenwutianchong。weilebimiangebanxiangneiqingxie,kezaifengxiangdeqianhouneibidingshangliangmeixiaoding。kuangliangshanggaifubu,zaifubushangzaijiagai3-4層報紙,把蜜蜂壓在框間蜂路中。蓋上鐵紗副蓋後再加保溫墊。
箱外保溫:蜂箱的縫隙和氣窗用報紙糊嚴。選用無毒的塑料薄膜鋪在地上,墊一層10-15厘li米mi厚hou的de幹gan稻dao草cao或huo穀gu草cao,各ge蜂feng箱xiang緊jin靠kao成cheng一yi字zi形xing排pai列lie放fang在zai草cao上shang,蜂feng箱xiang間jian的de縫feng隙xi也ye用yong幹gan草cao填tian滿man。蜂feng箱xiang上shang覆fu蓋gai草cao簾lian,最zui後hou用yong整zheng塊kuai的de塑su料liao薄bo膜mo蓋gai在zai蜂feng箱xiang上shang。箱xiang後hou的de薄bo膜mo壓ya在zai箱xiang底di,兩liang側ce需xu包bao住zhu邊bian上shang蜂feng箱xiang的de側ce麵mian。到dao了le傍bang晚wan把ba塑su料liao薄bo膜mo向xiang前qian拉la伸shen,覆fu蓋gai住zhu整zheng個ge蜂feng箱xiang。蜂feng箱xiang前qian的de塑su料liao薄bo膜mo是shi否fou需xu要yao完wan全quan蓋gai嚴yan,可ke根gen據ju蜂feng群qun的de群qun勢shi和he夜ye間jian的de氣qi溫wen等deng情qing況kuang靈ling活huo掌zhang握wo。夜ye間jian5℃以下時,可完全蓋嚴不留氣孔;夜間10℃以yi下xia薄bo膜mo內nei易yi形xing成cheng小xiao水shui滴di,應ying注zhu意yi及ji時shi晾liang曬shai箱xiang內nei外wai的de保bao溫wen物wu。單dan箱xiang排pai列lie的de蜂feng群qun外wai包bao裝zhuang,可ke把ba蜂feng箱xiang四si周zhou以yi用yong幹gan草cao編bian成cheng的de草cao簾lian捆kun紮zha嚴yan實shi,蜂feng箱xiang前qian麵mian應ying留liu出chu巢chao門men,箱xiang底di也ye應ying墊dian上shang幹gan草cao,箱xiang頂ding用yong石shi塊kuai將jiang草cao簾lian壓ya住zhu。
雙群同箱和聯合飼養:zukuangdefengqunjinpishizhinengfangruyigechaopi,zheyangdefengqunkeyongshuangquntongxiangsiyanglaijiaqiangbaowen。zaifengxiangdezhongbuyongzhabangekai,zhabanliangcegefangyichaopi,gefangruyiqun2-2.5足框的蜂群,分別巢門出入。加強箱內外保溫。
如(ru)果(guo)蜂(feng)場(chang)弱(ruo)群(qun)很(hen)多(duo),也(ye)可(ke)以(yi)把(ba)幾(ji)個(ge)弱(ruo)群(qun)合(he)並(bing)為(wei)一(yi)群(qun),隻(zhi)留(liu)一(yi)個(ge)蜂(feng)王(wang)產(chan)卵(luan)。其(qi)餘(yu)的(de)蜂(feng)王(wang)用(yong)王(wang)籠(long)囚(qiu)起(qi)來(lai),懸(xuan)吊(diao)在(zai)蜂(feng)巢(chao)中(zhong)間(jian),到(dao)適(shi)宜(yi)的(de)時(shi)候(hou)再(zai)組(zu)織(zhi)成(cheng)雙(shuang)王(wang)群(qun)飼(si)養(yang)。還(hai)可(ke)以(yi)用(yong)24框橫臥式蜂箱隔成幾個區,放入3-4個小蜂群,組成多群同箱,進行聯合飼養。
調節巢門和預防潮濕:春季日夜溫差大,及時調節巢門在保溫上有重要的作用。上午巢門應逐漸放大,下午3時以後逐漸縮小。巢門調節以保持工蜂出入不擁擠、不扇風為度。
潮濕的箱體或保溫物都容易導熱,不利於保溫,因此,春季還應經常翻曬箱內外的保溫物。
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