tiaojieriliangdanbainengliangshuipinggaowenshijiejizhicaishiliangxiajiang,kegenjugepinzhongdanjicaishiliangdexiajiangchengdulaitiaozhengriliangyingyangshuiping,danzhengtitigaoriliangyingyangnongdudechuantongzuofabingbuqiadang。yibanchandanjidecudanbaixuyaoliangwei16%zuoyou,youxieyangzhihupianmianqiangtiaodanzhonghuodangeerzengjiadoupoyongliang,daozhiyindandazaochengtuoganghexigang,fenbianfahuangfaxi,siliaozhuanhualvdi。zhenduizhexiewentiwomenkeyitongguotigaoriliangdenengliangshuipinglaijiejue,jutiketianjiayouzhilaitigaonengliangshuiping,haikeyijiangdisiliaofenchen、jianshaosiliaosunshi,danzhifangyiyanghuabianzhi,keshidangzengjiakangyanghuaji。duiyugaodanbaishuipingriliangkeyishidangjiangdidanbaishuiping,yekeyonganjisuantidaidanbaizhilaijianqingfuxiejireyingjideqingkuang。
kongzhisiliaozhongyanfenhanliangweiletigaodanbaihanliang,yangzhihuyibanxuanzetianjiayufendenggaodanbaiyuanliao,danyufenhanyanlianggao,ruguopeifangshejishiquefakaolvyerongyidaozhisiliaozhongdeshiyanhanliangguogao,jiajudanjifuxie。suoyizaiyanyanxiaji,kongzhihaoyanfenhanliangshishifenbiyaode。
石粉的添加應循序漸進開產初期,添加過多的石粉會導致血鈣過高、shenzangfudanjiazhong,yinqishenzhongdaozhilaxi,yinershifendezengjiayidingyaoxunxujianjin。suizhechandanlvdeshangsheng,zhujianzengjiashifendebili,zengjiadefudukongzhizaimeizhou0.5%~1%的增加量。
保持飼料中合適的粗纖維水平產蛋期日糧中一定要含有少量的麩皮,以提供粗纖維,防止啄癖的發生。一般配合料中都有2%左右的添加量,但不宜過多,使用過多一方麵稀釋了飼料的營養濃度,同時也易造成糞便不成形、發散發稀。
fangkongmeijundusudeweihaixiajitianqiyanreqieshiduda,siliaozhongdeyuanliaoruyumidengrongyifashengmeibian,jinerchanshengmeijundusu,meijunjimeijundusuhuijiangdijitimianyili,bingqiesunhuaidanjidechangnianmo,shiqitongtouxingzengjia,zaochengfuxie。zaisiliaozhongtianjiafangmeiji、黴mei菌jun吸xi附fu劑ji可ke在zai一yi定ding程cheng度du上shang保bao證zheng蛋dan雞ji安an全quan,從cong而er更geng好hao地di應ying對dui熱re應ying激ji的de危wei害hai,但dan更geng重zhong要yao的de是shi注zhu意yi飼si料liao存cun儲chu條tiao件jian,應ying做zuo到dao避bi光guang避bi熱re,盡jin快kuai使shi用yong。
添tian加jia抗kang應ying激ji物wu質zhi減jian緩huan熱re應ying激ji危wei害hai夏xia季ji氣qi溫wen增zeng高gao,因yin熱re應ying激ji誘you發fa腹fu瀉xie的de幾ji率lv大da大da增zeng加jia,因yin此ci,采cai取qu適shi當dang的de抗kang熱re應ying激ji措cuo施shi,也ye會hui在zai一yi定ding程cheng度du上shang減jian緩huan腹fu瀉xie的de危wei害hai。
添加維生素維生素C是目前國內外研究報道最多的抗熱應激添加劑,可以減少因熱應激而造成的死亡,並提高產蛋率;維生素E有保護細胞膜、防止氧化和提高機體免疫力的作用,對預防熱應激有一定的效果;B族維生素對緩解熱應激、提高生長速度、增加蛋重和產蛋量也有一定作用。
添加小蘇打小蘇打(NaHCO3)ketiaozhengdanjixueyesuanjianpingheng,tebieshiyanredexiatian,jizhiweipaichutineiduoyudereliangerjiakuaihuxi,zaochengeryanghuatanpaichuguoduo,xueyezhongdetansuanyansuizhijianshao,shidankezhongdezhuyaochengfen——碳酸鈣得不到充分的保證,從而造成蛋殼質量下降,軟皮蛋、薄皮蛋的產出幾率大大上升。在這種情況下,可以通過添加小蘇打來補充碳酸根離子,從而提高產蛋率,並有效地改善蛋殼質量。
以上減少蛋雞夏季腹瀉的方法僅限於營養調控方麵,更為重要的是在保證飼料營養全麵、均衡的同時,為雞群創造一個舒適的飼養環境,使其發揮最佳的生產性能。
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