在環境溫度超過37℃
，持chi續xu時shi間jian超chao過guo一yi周zhou以yi上shang時shi，其qi對dui公gong豬zhu生sheng產chan性xing能neng的de影ying響xiang主zhu要yao表biao現xian在zai公gong豬zhu的de性xing欲yu明ming顯xian減jian退tui，精jing液ye品pin質zhi明ming顯xian下xia降jiang，采cai精jing量liang明ming顯xian減jian少shao，精jing子zi體ti外wai存cun活huo時shi間jian即ji精jing液ye的de體ti外wai保bao存cun時shi間jian明ming顯xian縮suo短duan。公gong豬zhu長chang時shi間jian處chu於yu熱re應ying激ji生sheng活huo環huan境jing下xia，還hai可ke導dao致zhi精jing子zi發fa育yu不bu良liang和he精jing子zi受shou損sun，睾gao丸wan生sheng精jing機ji能neng發fa生sheng障zhang礙ai，進jin而er造zao成cheng種zhong豬zhu種zhong用yong年nian限xian縮suo短duan和he種zhong用yong價jia值zhi降jiang低di
，嚴yan重zhong時shi還hai可ke造zao成cheng睾gao丸wan生sheng精jing機ji能neng永yong久jiu性xing喪sang失shi。同tong時shi高gao溫wen也ye是shi誘you發fa公gong豬zhu發fa生sheng睾gao丸wan炎yan的de重zhong要yao因yin素su。

2、防護措施

在(zai)養(yang)豬(zhu)生(sheng)產(chan)中(zhong)，通(tong)過(guo)采(cai)取(qu)一(yi)些(xie)控(kong)製(zhi)環(huan)境(jing)溫(wen)度(du)的(de)措(cuo)施(shi)
，減(jian)輕(qing)熱(re)應(ying)激(ji)對(dui)公(gong)豬(zhu)生(sheng)產(chan)性(xing)能(neng)的(de)影(ying)響(xiang)是(shi)有(you)積(ji)極(ji)作(zuo)用(yong)的(de)。具(ju)體(ti)措(cuo)施(shi)有(you)常(chang)規(gui)控(kong)製(zhi)措(cuo)施(shi)和(he)非(fei)常(chang)規(gui)控(kong)製(zhi)措(cuo)施(shi)。

2.1常(chang)規(gui)控(kong)製(zhi)措(cuo)施(shi)通(tong)過(guo)采(cai)取(qu)變(bian)更(geng)公(gong)豬(zhu)活(huo)動(dong)規(gui)程(cheng)，搭(da)設(she)遮(zhe)蔭(yin)棚(peng)，安(an)裝(zhuang)淋(lin)水(shui)設(she)施(shi)等(deng)，對(dui)降(jiang)低(di)熱(re)應(ying)激(ji)對(dui)公(gong)豬(zhu)的(de)影(ying)響(xiang)，提(ti)高(gao)公(gong)豬(zhu)生(sheng)產(chan)性(xing)能(neng)和(he)提(ti)高(gao)配(pei)種(zhong)質(zhi)量(liang)是(shi)有(you)利(li)的(de)。

2.1.1dashezheyinpeng
，fangzhiyangguangzhishe。kezaigongzhuquansheshangfangdajianpengjia，bingzaiquanshezhouweizhongzhiyixiepanpazhiwu

，huozaipengjiashangpushangshuzhi，keqidaofangzhiyangguangzhisheerjiangdizhushehuanjingwendudemude。tebieshichangkaishizhushe，gengyingcaiquzheyangcuoshilaifangzhiyangguangzhishe，jiangdizhushedimianwenduhehuanjingwendu。

2.1.2采取淋（滴）水shui降jiang溫wen。在zai豬zhu舍she內nei架jia設she噴pen淋lin設she施shi，在zai環huan境jing溫wen度du較jiao高gao時shi，尤you其qi是shi中zhong午wu
，通tong過guo水shui控kong製zhi閥fa，每mei隔ge一yi段duan時shi間jian對dui圈quan舍she進jin行xing噴pen霧wu，以yi達da到dao降jiang低di豬zhu舍she環huan境jing溫wen度du和he地di麵mian溫wen度du的de目mu的de。敞chang開kai式shi豬zhu舍she除chu了le應ying采cai取qu遮zhe陽yang措cuo施shi外wai，采cai用yong滴di水shui降jiang溫wen措cuo施shi比bi較jiao適shi用yong，也ye比bi較jiao簡jian單dan。具ju體ti方fang法fa是shi，在zai豬zhu舍she內nei一yi定ding高gao度du架jia設she一yi條tiao塑su料liao管guan，在zai進jin水shui端duan裝zhuang上shang閥fa門men，在zai水shui管guan上shang鑽zuan上shang小xiao孔kong或huo裝zhuang上shang水shui龍long頭tou，通tong水shui後hou，水shui自zi小xiao孔kong流liu出chu或huo自zi水shui龍long頭tou流liu出chu。滴di水shui時shi間jian和he滴di水shui速su度du可ke通tong過guo閥fa門men來lai控kong製zhi。

2.1.3加jia強qiang通tong風feng
，供gong給gei充chong足zu的de飲yin水shui。高gao溫wen天tian氣qi
，由you於yu氣qi溫wen較jiao高gao，公gong豬zhu對dui水shui的de需xu要yao量liang較jiao大da，公gong豬zhu的de生sheng活huo環huan境jing，特te別bie是shi圈quan舍she和he氣qi味wei變bian化hua較jiao快kuai。因yin此ci

，公gong豬zhu圈quan舍she內nei安an裝zhuang上shang自zi動dong飲yin水shui器qi或huo經jing常chang更geng換huan水shui槽cao中zhong的de飲yin水shui，保bao證zheng公gong豬zhu隨sui時shi飲yin用yong到dao清qing潔jie的de涼liang水shui是shi十shi分fen必bi要yao的de。在zai公gong豬zhu圈quan舍she特te別bie是shi封feng閉bi式shi豬zhu舍she內nei
，裝zhuang上shang電dian扇shan和he換huan氣qi扇shan
，經jing常chang進jin行xing通tong風feng換huan氣qi，可ke以yi有you效xiao地di改gai善shan公gong豬zhu生sheng活huo環huan境jing。

2.1.4適當調整公豬的一些活動規程。首先是調整公豬的運動時間。一般在比較涼爽的時間段，如清晨7dianyiqian
，anpaigongzhuyundong，huozhezaiyinliangtianqiliyanchangyundongshijian
，yanretianqisuoduanyundongshijian。qiershitiaozhenggongzhupeizhongcaijingshijianhepinlv。gongzhucaijinghuopeizhongyingzailiangshuangshijianduan，zuihaozaiqingchen7dianqianjinxing。gongzhucaijingpinlvyisantianyiciweiyi。benjiaopeizhongpinlvyeyingyisantianyiciweiyi，zuidiyeyingcaiquliangtianyici。qisanshitiaozhenggongzhudesiweishijianhesiweicishu，zaochen8點和晚上6點dian各ge飼si喂wei一yi次ci，中zhong午wu不bu再zai飼si喂wei。其qi四si是shi對dui公gong豬zhu的de營ying養yang進jin行xing調tiao整zheng
，增zeng加jia蛋dan白bai質zhi飼si料liao，尤you其qi是shi動dong物wu性xing蛋dan白bai質zhi飼si料liao和he青qing綠lv多duo汁zhi飼si料liao，降jiang低di脂zhi肪fang飼si料liao的de含han量liang。最zui好hao堅jian持chi每mei天tian中zhong午wu飼si喂wei一yi次ci青qing綠lv多duo汁zhi飼si料liao。

2.2非常規控製措施在一些規模比較大的豬場


，若條件許可，應建立公豬生活、peizhongzhuanyongquanshe，anzhuangshangkongtiaohekongqijinghuazhuangzhi，renweididuigongzhushenghuohepeizhongquanshelihuanjingwenduhekongqizhiliangjinxingtiaokong，yidadaoshigongzhuzaibijiaoshiyidehuanjingxiajinxingshenghuohepeizhongshengchan，jinertigaogongzhushengchanxingnengdemude。