冬(dong)春(chun)低(di)溫(wen)季(ji)節(jie)育(yu)雛(chu)保(bao)溫(wen)問(wen)題(ti)常(chang)被(bei)人(ren)們(men)十(shi)分(fen)重(zhong)視(shi),而(er)缺(que)氧(yang)問(wen)題(ti)則(ze)很(hen)容(rong)易(yi)被(bei)忽(hu)視(shi),因(yin)而(er)常(chang)遭(zao)損(sun)失(shi)甚(shen)至(zhi)失(shi)敗(bai)。因(yin)此(ci),冬(dong)春(chun)低(di)溫(wen)季(ji)節(jie)育(yu)雛(chu)要(yao)科(ke)學(xue)地(di)處(chu)理(li)好(hao)既(ji)要(yao)防(fang)寒(han)保(bao)暖(nuan)又(you)要(yao)使(shi)禽(qin)舍(she)保(bao)持(chi)空(kong)氣(qi)清(qing)新(xin)、氧yang氣qi充chong足zu的de關guan係xi。若ruo顧gu此ci失shi彼bi,就jiu會hui導dao致zhi在zai冬dong春chun季ji節jie禽qin舍she存cun在zai不bu同tong程cheng度du的de缺que氧yang狀zhuang況kuang,影ying響xiang和he威wei脅xie雛chu禽qin的de正zheng常chang生sheng長chang,從cong而er直zhi接jie影ying響xiang飼si養yang效xiao益yi。
育雛室麵積小 在育雛階段,養禽戶一般為了便於保溫,把禽舍四周密封,在舍內用尼龍薄膜搭起“屋中屋”以育雛,把本來用於養大禽的禽舍,局限在小範圍內育雛。這樣,時間一長,雛禽把“屋中屋”內的氧氣消耗了,加上雛禽呼出二氧化碳,使氧氣逐漸減少,二氧化碳則逐漸增加,從而出現了缺氧現象。
室內明火加溫 在冬春季育雛,很多養禽戶為了提高育雛室內溫度,以滿足雛禽生長活動要求,就在育雛室內燒柴、炭、煤或木糠等,這樣做雖然育雛室內溫度升高了,但由於這些燃料在燃燒時不但耗掉大量氧氣,同時還釋放出大量如一氧化碳、eryanghualiudengyouhaiqitiduhaiqinzhi,ciwai,youyuranliaoderanshaohaichanshenghenduoyanqi,daozhiyuchushineiyangqiyuelaiyueshao,youhaiqitiyuelaiyueduo,zuizhongdaozhiqueyang。
室內通風不良 weinenghelichulihaobaowenyutongfengdeguanxi。baowenyutongfeng,duibijiaoyuanshideyangqinyuchulaishuoshilianggeduilimian,jiyaozuodaobaowenyouyaoshiyuchushineikongqiqingxin,yangqichongzu,zheshibijiaonanyishixiande。zaiyuchushineimifengdeqingkuangxiayuchu,weilebaochishineiwenduyimanzuchuqindeshengchanghuodongyaoqiu,zhinengtongguorengongjiawen,ertongfengyezhinengtongguorengongtiaojie。henduoyangqinzhedanxin,yinweiwendubugoudaozhichuqinganmaohuofashengqitajibing,mingzhishineikongqiwuzhuo,yewukenaihedibayuchushimifeng,zaochengshineiyangqiquefa,gucishibi。
禽糞過度發酵 在(zai)冬(dong)春(chun)季(ji)育(yu)雛(chu),由(you)於(yu)氣(qi)溫(wen)較(jiao)低(di),很(hen)多(duo)養(yang)禽(qin)者(zhe)怕(pa)在(zai)清(qing)除(chu)禽(qin)群(qun)的(de)墊(dian)料(liao)或(huo)排(pai)泄(xie)物(wu)時(shi)影(ying)響(xiang)到(dao)育(yu)雛(chu)室(shi)內(nei)的(de)溫(wen)度(du),所(suo)以(yi)比(bi)較(jiao)忽(hu)視(shi)對(dui)墊(dian)料(liao)及(ji)禽(qin)排(pai)泄(xie)物(wu)的(de)清(qing)換(huan),從(cong)而(er)使(shi)墊(dian)料(liao)及(ji)排(pai)泄(xie)物(wu)在(zai)一(yi)定(ding)溫(wen)度(du)和(he)濕(shi)度(du)下(xia)發(fa)酵(jiao),不(bu)但(dan)產(chan)生(sheng)大(da)量(liang)的(de)氨(an)氣(qi)及(ji)硫(liu)化(hua)氫(qing)等(deng)有(you)害(hai)氣(qi)體(ti),同(tong)時(shi)也(ye)會(hui)消(xiao)耗(hao)掉(diao)室(shi)內(nei)的(de)氧(yang)氣(qi),導(dao)致(zhi)育(yu)雛(chu)室(shi)內(nei)缺(que)氧(yang)。
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