經常通風換氣促進肉鴨的生長發育

  冬(dong)季必(bi)須(xu)保持舍(she)內(nei)溫度適(shi)宜，同時要做好通風(feng)換氣工作，否(fou)則會嚴(yan)重影響肉鴨的生長(chang)發(fa)育。

  通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)換(huan)氣(qi)應掌握(wo)的原則是：在(zai)能保證溫度的前(qian)提下，盡量通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)：早晚天氣(qi)冷時小敞(chang)(chang)通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)口(kou)或不(bu)開，中午時大(da)敞(chang)(chang)；有風(feng)(feng)時小敞(chang)(chang)，無風(feng)(feng)時大(da)敞(chang)(chang)，要循序漸進，有個過(guo)程，不(bu)能說(shuo)通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)時所有通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)口(kou)一下全部(bu)打開，以(yi)(yi)致(zhi)造成棚內環境變化巨大(da)。當進入(ru)(ru)鴨舍(she)(she)感覺(jue)氣(qi)味刺鼻時，必(bi)須敞(chang)(chang)開通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)口(kou)，排出舍(she)(she)內有害氣(qi)體，讓新鮮空氣(qi)流入(ru)(ru)舍(she)(she)內，要注(zhu)意通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)換(huan)氣(qi)前(qian)要將舍(she)(she)溫提高2-3℃，通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)換(huan)氣(qi)時仍要生爐(lu)子。飼(si)養前(qian)期(qi)以(yi)(yi)保溫為主，兼顧(gu)(gu)通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)；飼(si)養后(hou)期(qi)以(yi)(yi)通(tong)(tong)(tong)(tong)(tong)風(feng)(feng)換(huan)氣(qi)為主，兼顧(gu)(gu)保溫。

  具體做(zuo)(zuo)法(fa)要(yao)根(gen)據風(feng)(feng)力大(da)小(xiao)(xiao)，天氣(qi)(qi)陰晴，氣(qi)(qi)溫高低，日齡與健康狀況確定(ding)開啟通(tong)(tong)風(feng)(feng)口(kou)(kou)的(de)次數，大(da)小(xiao)(xiao)和方(fang)向。一(yi)般情(qing)況下，根(gen)據日齡及健康情(qing)況，鴨舍南(nan)北面夜(ye)間封閉，白天無(wu)大(da)風(feng)(feng)天氣(qi)(qi)，可(ke)適當打(da)開通(tong)(tong)風(feng)(feng)口(kou)(kou)用以(yi)通(tong)(tong)風(feng)(feng)換氣(qi)(qi)。隨著晝(zhou)夜(ye)溫差變小(xiao)(xiao)，無(wu)大(da)風(feng)(feng)天氣(qi)(qi)南(nan)北面可(ke)部分或(huo)全部打(da)開。但通(tong)(tong)風(feng)(feng)口(kou)(kou)要(yao)由上往下放大(da)，這樣能保證空氣(qi)(qi)新鮮，同時有一(yi)個良好(hao)的(de)溫度環境(jing)。鴨舍南(nan)北面的(de)通(tong)(tong)風(feng)(feng)控制(zhi)，可(ke)由掛塑(su)料(liao)布的(de)鐵絲(si)定(ding)位出風(feng)(feng)口(kou)(kou)的(de)大(da)小(xiao)(xiao)。這樣“拉(la)鐵絲(si)上圍子”的(de)做(zuo)(zuo)法(fa)也解決(jue)了保溫與通(tong)(tong)風(feng)(feng)換氣(qi)(qi)二者之間的(de)矛盾。

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