雞產蛋最適宜的溫度是13-20℃。環境溫度達25-29℃則產蛋率下降,蛋重小,天殼變薄,呼吸次數開始增加,溫度超過29℃時,雞因過熱而體質虛弱。相反,如雞舍溫度低於5℃時,產蛋顯著減少,低於零下9℃時,雞活動遲鈍,雞冠發生凍衡。溫度對雞的健康和產蛋影響很大,其影響的程度,因年齡、pinzhongleixingeryouchabie,yibandijiang,wenduguodishitiwensanshijiakuai,siliaoxiaohaozengjia,yanzhongzechandanjianshao,jitixiaoshou,rongyiganranjibing。jiquefahanxian,yumaohenhou,zhuyaokaohuxizhengfaheyinshuipaixiesanfangtiwen。ruguohuanjingwenduguoerzetiredegufashouzu,huxijiakuai,yinshuizengjiashiyujiantui,jingjiuzechandanjianshao,danzhongjianqing,gaowenbidiwenduijideyingxianggengda。
濕度對雞的體感溫度、體溫案發和環境衛生鬱肩影響。環境溫度與濕度、通(tong)風(feng)等(deng)因(yin)素(su)結(jie)合(he)起(qi)來(lai)共(gong)同(tong)形(xing)成(cheng)雞(ji)的(de)泳(yong)感(gan)溫(wen)度(du),即(ji)雞(ji)實(shi)際(ji)感(gan)受(shou)的(de)溫(wen)度(du)。冬(dong)季(ji)低(di)溫(wen)時(shi),空(kong)氣(qi)潮(chao)濕(shi)或(huo)通(tong)風(feng)加(jia)快(kuai),可(ke)使(shi)雞(ji)體(ti)更(geng)感(gan)寒(han)冷(leng)。夏(xia)季(ji)高(gao)溫(wen)時(shi)濕(shi)度(du)和(he)通(tong)鳳(feng)不(bu)足(zu),則(ze)雞(ji)會(hui)感(gan)到(dao)更(geng)熱(re)。因(yin)此(ci),冬(dong)季(ji)養(yang)雞(ji)應(ying)注(zhu)意(yi)舍(she)內(nei)保(bao)溫(wen),防(fang)止(zhi)潮(chao)濕(shi)。夏(xia)季(ji)養(yang)雞(ji)應(ying)注(zhu)意(yi)舍(she)內(nei)通(tong)風(feng)良(liang)好(hao),做(zuo)好(hao)防(fang)暑(shu)降(jiang)溫(wen)工(gong)作(zuo),雞(ji)舍(she)周(zhou)圍(wei)和(he)運(yun)動(dong)場(chang)內(nei)應(ying)該(gai)栽(zai)樹(shu)或(huo)有(you)遮(zhe)歡(huan)設(she)備(bei)。
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