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当前肉鸡养殖十大误区
2017-06-27 | 阅:  转:  |  分享 
  
专注动物健康引领行业发展当前肉鸡养殖十大死角胡大坤青岛天仁生物制药有限公司中国·青岛一句谚语“人医不治癣兽医不治喘”呼吸道病是“空气质量监测计”!鸡得病的根源就是“舍”得病了!一次完整的诊疗需要三步曲:第一步:通过解剖→治“鸡”病第二步:通过辨鸡病→治“舍”病第三步:通过医嘱→治“饲养者”病第二闷:10-20日龄不会通风!进雏前您的鸡舍真的干净了吗?第三闷:21-30日龄不敢通风!1-3日龄雏鸡饮水不足(不匀)!第一闷:7日龄前不通风!死角三死角五死角四死角二死角一肉鸡养殖十大死角:误区:中后期不防新城疫疫苗!误区:舍温合适鸡就不会冷(体感)!最大误区:鸡是靠药养出来的!误区:用风机湿帘不过渡!误区:还在用抗生素等西药育雏!死角八死角十死角九死角七死角六肉鸡养殖十大死角:第二闷:10-20日龄不会通风!第一闷:7日龄前不通风!第三闷:21-30日龄不敢通风!1-3日龄雏鸡饮水不足(不匀)!进雏前您的鸡舍真的干净了吗?死角三死角五死角四死角二死角一肉鸡养殖十大死角:育雏期饮水不足的原因:先乳头不挂水珠。(水压大、乳头堵塞)光照弱、二层笼育雏。水线高度不合适。进雏前乳头下水盘放满水(1.方便饮水;2.去除乳头消毒剂)。雏鸡前5天不能自己调节体温。血液温度随环境温度改变。(脚温、墙温、柱温、网温、水温、空气温度)饮水温度>地面温度>空气温度>体感温度从2日龄起要开风机,打开风管(懒人通风法)在第一层笼时要达到5个负压。一定要用时控,温控晚上会闷鸡。在晚上温度最低时刻调出最小通风量(即风机启动和停止时间,记住风机运行时间不可超过停止时间,如20s:2m)。10日龄左右、20日龄左右鸡的五大应激:换羽、防疫、换料、转笼、脱温。此阶段体温调节不健全,此时呼吸系统(肺)开始进入易侵期。对闷、冷、热、风均敏感,机体积蓄余热,给部分病原创造感染机会通风要点:1.过渡(白天→晚上、前半夜→后半夜、早上到白天;2.要通透;3.切忌常流风在两层笼时要达到10个负压。晚上一定要用时控,白天温控+时控。冬季可全用风管,春季在15日龄后适当根据负压开启侧窗。风机由小到大,或用大风机遮挡,或调频。在晚上温度最低时刻结合负压表调出最小通风量(即风机启动和停止时间、数量、进风口大小)此阶段鸡只长势最快,需氧量最大,一定保证通风,以把污浊空气、绒毛、灰尘、多余湿气换掉、同时补充足量氧气。此阶段体温调节已健全,对持续的冷有一定抵抗力,通风要点:1.过渡(白天→晚上),让鸡适应风机;2.更要通透;3.切忌常流风在三层笼时要达到15-18个负压。晚上一定要用时控,白天温控(温控上限增2-4℃,一般增个风机增1℃),可配合时控。无论冬春季都要根据负压开启侧窗,加大风机频率或数量,21-23天可过渡风管。在晚上温度最低时刻结合负压表调出最小通风量(即风机启动和停止时间、数量、进风口大小)切忌:一定要反复调试、确定最佳模式误区:中后期不防新城疫疫苗!误区:舍温合适鸡就不会冷(体感)!最大误区:鸡是靠药养出来的!误区:用风机湿帘不过渡!误区:还在用抗生素等西药育雏!死角八死角十死角九死角七死角六当前初用水帘要点:何时启用:所有风机都启用后使用(11:00-16:00)。过渡:1.先空抽→泼水→1/3水帘→半水帘→全水帘2.先空抽→上5秒水、停干后再上→一秒一秒增傍晚前(外界低于时)停水帘也要过渡:先停水。肉鸡养殖十大死角:抗生素:因小失大治病同时致病中药:治病同时强身进雏清理、消毒、预温等准备工作的误区:只对鸡舍消毒!正确:料房、药库、居住房间、厕所、厨房也要消毒清洗消毒不到位!消毒液不选择喷洒用聚维酮碘对病毒细菌都有效,且不腐蚀笼具;冲泡水线用“水线专家(戊二醛癸甲溴铵)”。进雏前准备程序:先“冲洗”:充分冲去污物,可去除75-90%病原。(不放消毒剂、因浓度不够)再“喷洒消毒”:达到浓度、长时间渗透消毒最后“熏蒸消毒”:舍温提到25℃以上、闷24-48h。切记“进雏前预温放风”:冬天3天、春秋2天、夏1天。选择这样的消毒剂:(添加助表面活性剂)具有强渗透力和剥离生物膜作用知识扩展:关于水线高度:最初两天将乳头调节到小鸡眼部高度。第三天提升水线,使雏鸡以45度角饮水。第四天起,逐渐升高水线。让饮水器里的水或乳头悬挂的水滴反射出光线,吸引雏鸡喝水。到第10-40天时鸡只应以45-70度角由饮水器下方饮水。据老饲养员经验总结:每天都要提水线,每天在同一时间转三圈。做最好的自己水线高度非常重要鸡饮水标准示意图日龄1-23-1011-2021-3031-4040以上乳头高度cm8-1010-1515-2020-2525-3030-40饮水角度3540-4545-5050-5555-7070-75水位高度cm----1515-2525-4040-5050-70肉鸡光照程序1烛光=10.76勒克斯鸡只被闷——缺氧:病鸡前侧眼角扩张形成“疤眼鸡”,且眼内存泪水肺部严重出血病鸡中后期与肺直接相同的胸气囊内充满黄白色干酪样物质通风必备神器:是温控辅助配件——交流接触器通风必备神器:通风管道布局不合理舍内大口堵死,堵头打上孔。舍外大口用朝下的弯头。三排孔(直径20-25mm),分别朝上和两侧偏上。侧窗的问题:屋顶檩条阻风误区:前后侧窗开启不一致只有达到负压,前后进风一样,故要开启相同大的侧窗。可间隔开启开启大小要用尺子量脱温(体感温度)温差、湿、闷、干燥侵鸡规律:1-7日龄:善侵鸡的脾、胃、肠,因此时脐带未封,另外此时正是脾胃肠道发育关键期,所以10日龄左右要使用肠炎球虫腺胃炎药。8-21日龄:善侵鸡的呼吸系统和体温调节系统,因此时是发育关键期,故此要使用清肺健肺(桑仁)及清余热(双黄连)的药物。注意:8-15日龄是过渡期,脾胃肠、呼吸系统、体温调节系统均易侵!因一般16-18日龄要换料,可增加肠道应激,注意换料管理和预防投药。1天35℃左右(高湿33、低湿35),每天下降0.5-1℃;7天30.5℃;每天降0.3-0.4℃;21天26-27℃,每天降0.3℃;35天22-23℃;42天19-21℃。温度、湿度、风速对成年鸡体感温度的影响温度湿度风速体感温度80F(27℃)50%?????????????0????????????????82F?(28℃)80F(27℃)70%0????????????????86F(30℃)80F(27℃)50%??????????2米/秒?66F(19℃)80F(27℃)70%?????????2米/秒70F(21℃)无风速情况下,湿度50%,体感温度比舍温高1度;湿度每高10%,体感温度再加1度。?风速2米/秒时,湿度50%,体感温度比舍温低6-7度;湿度每高10%,体感温度加高1度。表明在有风的情况下,温度计和探头就不准了!“常流风”造成上笼持续性低温!风冷效果图:体感温度对照表(不同的相对湿度、风速、对温度的影响)温度℃湿度%风速FPM(1FPM=0.00508m/s)05010015020025030035040045050000.30.50.81.01.31.51.82.02.32.535.03035.033.331.628.926.125.023.823.322.722.522.24035.033.531.929.126.425.224.123.623.022.622.25035.033.632.229.426.625.524.423.923.322.822.26036.735.333.931.228.627.626.625.724.723.923.17038.336.935.533.030.529.728.827.526.125.124.034.33034.332.630.928.425.824.823.723.122.622.221.94034.332.831.228.626.125.024.023.522.922.421.95034.332.931.528.926.325.324.323.823.222.521.96036.034.633.230.728.327.326.325.524.623.722.87037.636.234.832.530.129.328.427.226.024.923.833.63033.631.930.228.025.524.623.523.022.422.021.54033.632.130.528.225.824.823.823.322.722.121.65033.632.230.828.526.125.124.123.623.022.321.76035.333.932.530.227.927.026.125.324.423.522.67036.935.534.131.929.728.928.027.025.824.723.5风冷效果图:体感温度对照表(不同的相对湿度、风速、对温度的影响)温度℃湿度%风速FPM(1FPM=0.00508m/s)05010015020025030035040045050000.30.50.81.01.31.51.82.02.32.532.93032.931.229.527.525.224.423.422.822.321.721.24032.931.429.827.725.524.623.723.222.621.921.35032.931.530.128.025.824.924.023.522.922.121.46034.633.231.829.627.626.625.825.024.323.322.37036.234.833.431.429.228.427.626.725.724.523.332.23032.230.628.927.025.024.223.222.722.121.520.84032.230.729.227.225.324.423.523.022.421.721.05032.230.829.427.525.524.723.823.322.721.921.16033.932.531.129.127.226.325.524.824.123.122.17035.534.132.730.828.828.027.226.425.524.323.031.53031.529.928.226.524.723.923.022.321.721.120.54031.530.028.526.725.024.123.322.722.021.320.65031.530.128.727.025.224.423.623.022.321.620.86033.131.730.428.626.926.025.224.523.822.922.07034.533.332.030.328.427.626.826.125.224.223.1风冷效果图:体感温度对照表(不同的相对湿度、风速、对温度的影响)温度℃湿度%风速FPM(1FPM=0.00508m/s)05010015020025030035040045050000.30.50.81.01.31.51.82.02.32.530.83030.829.227.526.024.423.622.722.021.320.720.14030.829.327.826.224.723.923.022.421.621.020.35030.829.428.026.525.024.223.322.721.921.220.66032.231.029.728.126.525.724.924.223.422.621.97033.632.531.429.728.027.226.425.725.024.123.230.13030.128.526.825.524.123.322.521.720.920.319.84030.128.627.125.724.423.622.822.021.220.620.05030.128.727.326.024.723.923.122.321.520.920.36031.430.229.027.626.225.324.523.823.122.421.87032.631.630.729.227.626.825.925.424.724.023.229.43029.427.826.125.023.823.022.221.420.520.019.44029.427.926.425.224.123.322.521.720.820.319.75029.428.026.625.524.423.622.822.021.120.620.06030.529.428.327.125.825.024.223.522.822.221.77031.630.830.028.627.226.425.525.024.423.923.3风冷效果图:体感温度对照表(不同的相对湿度、风速、对温度的影响)温度℃湿度%风速FPM(1FPM=0.00508m/s)05010015020025030035040045050000.30.50.81.01.31.51.82.02.32.528.03028.026.525.023.922.722.021.420.219.118.818.64028.026.725.324.123.022.421.720.719.619.218.95028.026.825.524.423.322.722.021.020.019.619.26029.027.926.825.724.623.923.222.321.220.720.27030.029.028.127.025.825.224.423.522.521.821.227.33027.325.924.423.322.221.520.919.718.418.318.14027.326.024.723.622.521.921.220.118.918.718.45027.326.125.023.922.822.221.520.519.519.118.76028.327.226.125.023.923.422.721.620.519.919.47029.128.127.126.125.124.523.922.721.520.820.126.63026.625.223.822.721.621.120.519.117.717.717.74026.625.424.123.021.921.420.819.618.318.218.05026.625.524.423.322.221.721.120.018.918.618.36027.526.425.324.323.322.822.221.019.719.218.77028.327.226.125.324.423.923.321.920.519.819.0风冷效果图:体感温度对照表(不同的相对湿度、风速、对温度的影响)温度℃湿度%风速FPM(1FPM=0.00508m/s)05010015020025030035040045050000.30.50.81.01.31.51.82.02.32.525.93025.924.723.422.421.320.820.218.817.417.417.44025.924.923.722.721.621.120.519.318.017.817.75025.925.024.023.021.921.420.819.718.618.217.96026.825.924.924.023.022.521.920.819.518.918.37027.626.725.725.024.123.623.021.720.419.618.825.33025.224.123.022.121.120.520.018.617.217.217.24025.324.323.322.421.420.920.319.017.717.517.35025.324.523.622.721.721.220.619.518.317.917.56026.125.324.523.622.822.321.720.519.318.618.07026.926.125.324.623.923.422.821.520.319.418.524.63024.523.622.621.720.820.319.718.316.916.916.94024.623.822.922.021.120.620.018.717.417.217.05024.623.923.222.321.420.920.319.218.017.517.06025.424.824.023.322.522.021.420.319.118.417.67026.225.624.824.323.623.122.521.320.119.218.3风冷效果图:体感温度对照表(不同的相对湿度、风速、对温度的影响)温度℃湿度%风速FPM(1FPM=0.00508m/s)05010015020025030035040045050000.30.50.81.01.31.51.82.02.32.523.93023.823.022.221.420.520.019.418.016.616.616.64023.923.222.521.720.820.319.718.417.216.916.65023.923.422.822.021.120.620.018.917.717.216.66024.724.223.622.922.221.721.120.018.918.117.37025.525.024.423.923.322.822.221.120.019.018.022.53022.521.520.619.919.118.818.317.516.616.316.14022.521.620.720.119.419.018.617.716.916.516.25022.521.720.920.319.719.318.918.117.216.816.46023.522.621.721.120.620.219.719.018.217.617.07024.423.522.522.021.421.020.519.919.218.417.921.13021.120.018.918.317.717.517.216.916.616.115.54021.120.018.918.518.017.717.517.016.616.215.85021.120.018.918.618.318.017.717.216.616.416.16022.221.019.719.318.918.618.317.917.517.116.77023.321.920.520.019.419.118.818.618.317.817.7减少风冷效应:进气口管理要点为了获得最好的气流,使舍外冷空气和舍内暖空气充分混合,侧墙进气口的开启度应为5-8厘米较好。进气口管理要点20厘米20厘米进气口开到“满度”,虽然进气量达到最大值,但却影响了风速和“气流”。进气口开得太小,就不能获得充足的气流,空气就会直接坠向地面,导致垫料潮湿、湿度增大、氨气增加。进气口管理要点水管、电缆线管、檩条等挡住了气流的方向,影响了气流的速度,甚至使部分气流导向地面,导致垫料潮湿、湿度增大、氨气增加。进气口开得太大,不但不形成有效气流,甚至直接将气流导向地面,导致垫料潮湿、湿度增大、氨气增加。亮点与定位:一替代:替代抗生素两促进:促进胎粪排出促进卵黄吸收三提高:提高免疫力提高脏腑功能提高健雏率四不伤:不伤肝、不伤肾、不伤胃肠、不伤关节肉鸡生长发育曲线消化功能潜力挖掘关键在前3-5天,可为胃肠和心肺在后期打好物质基础从此开始要强心!快速耗氧(养)期雏鸡前5天不能自己调节体温。血液温度随环境温度改变。(脚温、墙温、柱温、网温、水温、空气温度)饮水温度>地面温度>空气温度>体感温度从此开始直到20日龄体温调节不健全此时呼吸系统(肺)开始进入易侵期。对冷、热、风、燥均敏感,机体积蓄余热,给部分病原创造感染机会蛋白刺激期新陈代谢加快,吃料速度快采食量增加,增重快肌肉组织有突飞猛进的生长常规鸡出栏标准消化系统发育关键期体重(克)肯德鸡出栏标准免疫系统(脾胃)心血管系统(心小肠)韧带和腱鞘发育关键时期温度敏感期体温调节系统发育关键时期从此开始健肾、防止肾损伤、补肾气应激敏感期开始意识到昼夜的更替补偿生长期育雏期生长期屠宰前期日龄(天)活苗免疫过程疫苗毒散毒期活苗接种日抗原扩增高峰抗原扩增下降接种后48小时接种后24小时接种后3-5日疫苗毒型非典型性病毒病高发期ThankYou!身体健康万事如意!养殖者:转变陈旧观念、纠正误区、指导不知饮水不足:长势不均、影响卵黄吸收、影响免疫器官等所有器官发育,水压大是不用减压水箱(高10-15cm、20-30cm)时是用“h”表示的,是字母hour(时)的首字母;分是用“m”表示的,是字母minutes(分钟)的首字母;秒是用“s”表示的,是字母seond(秒)的首字母大风机遮挡:1.不能超过一半;2.从一半开始,每2-3天或白天增大1-2格,同时根据负压开启1-2厘米侧窗;用塑料布或袋子均可。流感是冻出来的、新城疫是闷出来的壳膜之下为血管丰富的绒毛尿囊膜.外为绒毛膜系,由外胚层形成,内为尿囊膜,由内胚层成,两膜之间的血管和神经为中胚层。绒毛尿囊膜起着胚胎呼吸器官的功能,氧气的交换是在膜的血管内通过卵壳孔而进行的。尿囊腔是胚胎的排泄器官,内含有尿囊液,起初为透明液体,是单纯生理盐水溶液,以后尿囊液中尿酸盐迅速增加,胚胎发育到12—13天以后,尿囊液开始变得混浊,主要是尿酸盐类物质引起。羊膜为胚胎最内层包被,系由外胚层组成。羊膜腔盛有羊水,胎体浸泡于其中,羊水在起初是单纯的生理盐水,后来则蛋白质含量增加,羊水量平均为1ml左右。1.蛋白刺激期:通过饲料刺激胃肠发育,调动胃肠潜力,刺激蛋白酶产生,为脾心发育提供足够的营养,为了保证胃肠发育,必须防止胃肠病原体的破坏;通过弱抗原刺激免疫系统发育,调动免疫系统的潜力。此时鸡怕热不怕微冷2.温度敏感期:此时体温调节系统开始快速发育但不健全,受寒则侵及体表,伤及肺卫(肺主皮毛),呼吸道病发,并表现高烧(机体过度产热导致)此时又怕冷又怕热。此时机体受冷、热、风、燥等应激均可使体温调节系统发育偏离轨道3.应激敏感期:肾气大耗需要补肾气,防惊吓抓捕等应激。4.快速耗氧(养)期:此期鸡只需要所有器官处在最佳状态,尤其肠道、呼吸系统、心肝肾!肝是营养合成基地,通过心补肝,通肾补肝日龄 光照时间 光照强度 0-3天 24H光照 30-40Lux 4-7天 23H光照,1H黑暗 30-40Lux 8-14日龄 20H光照,4H黑暗(每次黑暗不超两小时) 5-10Lux 15-25日龄 18H光照,6H黑暗(每次黑暗不超两小时) 5-10Lux 26-出栏前7天 20H光照,4H黑暗(每次黑暗不超两小时) 5-10Lux 出栏前7天 23H光照,1H黑暗 5-10Lux 备注:熄灯时间定在凌晨一点前后,最长时间不超过4小时





















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