打造涼爽的環境 加厚屋頂隔熱性能好的草簾等材料,以隔斷太陽的熱輻射,可降低40%以上的輻射熱。在氣溫30℃yishangdezhongwukexiangwudingpenshuijiangwen,chudakaizhushenanbeimenchuangtongfengwai,haiyaoyongpaifengshanjiadakongqiduiliuliang,yidaizouzhutireliang,shizhuliangkuai。biyaoshiyonglengshuipenwujiangwenhuoshilianjiangwen。shewenzai35℃yishangshi,keyonglengshuilinyuzhuti,yekepeiheshuashizhuti。tianzaireshi,yingzengjialinyuheshuashizhutidecishu,baochimuzhutibuguore。zaifengliangxiaodemenretianqi,yingbarenshenmuzhugandaoshuyinxiayundongchangxiuxi。zhuchangneiduozaishuzhongcao,xingchengliangshuangdexiaoqihouhuanjing。zhusheneiyaoqinchufenbian,jinengxiaochuwuran,younengbaochizhusheweisheng,hainengbimianfenbianfajiaochanretigaoshewen。
抓好妊娠母豬的飼養 在母豬懷孕初期20天內和產前30天內,要加強營養供給,提高營養水平,要滿足其對蛋白質、維生素、礦物質和微量元素的需要。到妊娠後期,不僅要滿足其營養需要,還要滿足數量要求,每天可加喂精料24克ke,以yi滿man足zu胎tai兒er快kuai速su生sheng長chang的de需xu要yao,提ti高gao出chu生sheng重zhong。對dui母mu豬zhu除chu正zheng常chang飼si喂wei外wai,要yao在zai早zao晚wan溫wen度du較jiao低di時shi適shi當dang加jia大da喂wei量liang。同tong時shi,要yao多duo喂wei含han纖xian維wei質zhi少shao的de青qing飼si料liao,不bu喂wei含han纖xian維wei質zhi多duo的de粗cu飼si料liao及ji米mi糠kang等deng飼si料liao,以yi免mian增zeng加jia體ti熱re,日ri糧liang能neng量liang不bu足zu時shi,可ke添tian加jia3%~5%的油脂。夏季天熱,豬渴欲增強,飲水量大,應大量供給。
強化母豬管理和保胎 懷孕母豬對環境的突然變化尤其敏感,運動、采食、抓捕、過熱等,都是不良的應激因素,都有可能使孕豬流產,必須建立正常的生活規律,對孕豬不能快趕,要單圈、單管、單喂,防止豬互相咬鬥引起流產。
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