DB1306T 234-2023 綿羊熱應(yīng)激防控技術(shù)規(guī)程

ICS65.020.30CCSB43

DB1306保 定 市 地 方 標(biāo) 準(zhǔn)DB1306/T234—2023綿羊熱應(yīng)激防控技術(shù)規(guī)程Technicalcodeforpreventionandcontrolofsheepheatstress2023-08-10發(fā)布 2023-08-30實施保定市市場監(jiān)督管理局 發(fā) 布DB1306/T234—2023DB1306/T234—2023PAGEPAGE2前 言本文件按照GB/T1.1-2020《標(biāo)準(zhǔn)化工作導(dǎo)則 第1部分標(biāo)準(zhǔn)化文件結(jié)構(gòu)和起草規(guī)則》的規(guī)定起草。請注意本文件的某些內(nèi)容可能涉及專利,本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識別專利的責(zé)任。本文件由保定市農(nóng)業(yè)農(nóng)村局提出并歸口。本文件主要起草單位：河北農(nóng)業(yè)大學(xué)動物科技學(xué)院。綿羊熱應(yīng)激防控技術(shù)規(guī)程范圍本文件規(guī)定了綿羊熱應(yīng)激的術(shù)語和定義、評價方法及防控措施。本文件適用于綿羊養(yǎng)殖場、戶。規(guī)范性引用文件（包括所有的修改單）適用于本文件。NY/T388畜禽場環(huán)境質(zhì)量標(biāo)準(zhǔn)NY5027無公害食品畜禽飲用水水質(zhì)DB13/T556舍飼養(yǎng)羊技術(shù)規(guī)范術(shù)語和定義下列術(shù)語和定義適用于本文件。sheepheatstress機(jī)體應(yīng)對高溫高濕環(huán)境而產(chǎn)生的一系列非特異性生理應(yīng)答反應(yīng)總和。溫濕指數(shù)temperatureandhumidityindex環(huán)境溫度和濕度相結(jié)合用于評價熱應(yīng)激程度的綜合指標(biāo)。羊舍環(huán)境溫濕指數(shù)的計算公式：THI=0.81×T+(0.99×T-14.3)×+46.3式中：THI——溫濕指數(shù)；T——平均環(huán)境溫度（℃）；RH——平均濕度（%）。熱應(yīng)激程度的評價方法按羊舍溫濕指數(shù)評價71.5時，開始出現(xiàn)熱應(yīng)激反應(yīng)。根據(jù)夏季的氣候條件，羊舍溫濕指數(shù)1。臨界熱應(yīng)激：71.5≤THI≤72.1；輕度熱應(yīng)激：72.1<THI≤74.8；中度熱應(yīng)激：74.8<THI≤84.5；重度熱應(yīng)激：THI>84.5。表1溫濕度指數(shù)(THI)與溫度、濕度對應(yīng)表溫度（℃）相對濕度（%）2025303540455055606570758085909510022.071.622.571.772.172.523.071.772.172.573.073.423.571.672.072.572.973.473.874.324.071.872.372.873.373.874.274.775.224.571.672.172.673.173.674.174.675.175.676.125.071.772.272.873.373.874.474.975.475.976.577.025.571.872.472.973.574.074.675.175.776.276.877.377.926.071.872.473.073.674.274.775.375.976.577.177.678.278.826.571.872.473.073.774.374.975.576.176.777.377.978.579.179.727.071.872.473.073.774.374.975.676.276.877.578.178.779.380.080.627.571.772.373.073.674.375.075.676.376.977.678.278.979.580.280.881.528.071.572.272.973.674.274.975.676.377.077.678.379.079.780.481.081.782.428.572.072.773.474.174.875.576.377.077.778.479.179.880.581.281.982.683.329.072.573.374.074.775.476.276.977.678.479.179.880.681.382.082.783.584.229.573.073.874.575.376.076.877.678.379.179.880.681.382.182.883.684.385.130.073.574.375.175.976.677.478.279.079.880.581.382.182.983.784.485.286.030.574.074.875.676.477.278.078.979.780.581.382.182.983.784.585.386.186.931.074.575.476.277.077.878.779.580.381.282.082.883.784.585.386.187.087.831.575.075.976.777.678.479.380.281.081.982.783.684.485.386.187.087.888.732.075.576.477.378.279.079.980.881.782.683.484.385.286.187.087.888.789.632.576.076.977.878.779.680.581.582.483.384.285.186.086.987.888.789.690.533.076.577.578.479.380.281.282.183.084.084.985.886.887.788.689.590.591.433.577.078.078.979.980.881.882.883.784.785.686.687.588.589.490.491.392.334.077.578.579.580.581.482.483.484.485.486.387.388.389.390.391.292.293.234.578.079.080.081.082.083.084.185.186.187.188.189.190.191.192.193.194.135.078.579.680.681.682.683.784.785.786.887.888.889.990.991.992.994.095.035.579.080.181.182.283.284.385.486.487.588.589.690.691.792.793.894.895.936.079.580.681.782.883.884.986.087.188.289.290.391.492.593.694.695.796.836.580.081.182.283.384.485.586.787.888.990.091.192.293.394.495.596.697.737.080.581.782.883.985.086.287.388.489.690.791.893.094.195.296.397.598.637.581.082.283.384.585.686.888.089.190.391.492.693.794.996.097.298.399.538.081.582.783.985.186.287.488.689.891.092.193.394.595.796.998.099.238.582.083.284.485.686.888.089.390.591.792.994.195.396.597.798.939.082.583.885.086.287.488.789.991.192.493.694.896.197.398.599.739.583.084.385.586.888.089.390.691.893.194.395.696.898.199.340.083.584.886.187.488.689.991.292.593.895.096.397.698.940.584.085.386.687.989.290.591.993.294.595.897.198.499.7臨界熱應(yīng)激41.084.585.987.288.589.891.292.593.895.296.597.899.2輕度熱應(yīng)激41.585.086.487.789.190.491.893.294.595.997.298.699.9中度熱應(yīng)激42.085.586.988.389.791.092.493.895.296.697.999.3重度熱應(yīng)激按呼吸頻率評價16~28次/38~63次/分鐘，綿羊處于輕度熱64~153次/153次/分鐘，綿羊處于重度熱應(yīng)激狀態(tài)。熱應(yīng)激防控措施物理降溫羊舍建設(shè)遮陽設(shè)施運動場、補(bǔ)飼槽和飲水槽搭建遮陽棚或遮陽網(wǎng)。敞棚舍西側(cè)設(shè)置卷簾或其他遮陽設(shè)施。自然通風(fēng)開啟門窗降溫。風(fēng)扇降溫在采食通道、羊床等適當(dāng)位置加裝風(fēng)扇。綠化降溫羊舍和運動場的周圍種植樹木遮蔭。日糧調(diào)控根據(jù)羊的體重、生理階段和體況等因素，粗飼料不低于50%，適量添加青綠多汁飼料。日糧中粗蛋白含量增加1%~2%。添加劑應(yīng)用中草藥選用香薷、大黃、厚樸和黃芩（3:3:2:2）或者藿香、厚樸、石菖蒲和茯苓（4:2:2:1），按比例配制成復(fù)方中藥，按基礎(chǔ)日糧的0.5%添加飼喂。微生物飼料添加劑每公斤日糧中添加1.0×1011CFU維生素日糧中適當(dāng)補(bǔ)充維生素C和維生素E。飼養(yǎng)管理飼喂時間避開正午高溫時