空氣過濾系統在母豬場疫病防控的效益蔡世一派普斯通獸醫服務.pdf

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1、空氣過濾系統在母豬場疫病防控的效益蔡世一Franz TAgenda大綱Performance 管理體系成績Pipestone Filtration:Learnings&Efficacy派斯通在豬場空濾之研習及成效Retrofit Filtration Example改裝過濾示例Global Sows Managed 管理母豬頭數 232,931 247,206 283,551 272,237 282,389 317,584 31,15547,84050,07383,08577,15465,375 9,800 30,700 45,000 42,789 59,000 74,000 273,8863

2、25,746378,624398,111418,543456,959-50,000 100,000 150,000 200,000 250,000 300,000 350,000 400,000 450,000 500,000 201720182019202020212022YTDGlobal Sows ManagedUSCHMX2022.06US Farms and Inventory 美國農場數和存欄#of Farms%of FarmsSow Inventory%of InventoryFiltered 空濾場5070.42%248,96477.07%Not Filtered 無空濾場21

3、29.58%74,06622.93%Grand Total 總計71100%323,030100%(2022.10)317,584 Managed Sows 317,584 頭母豬（包含所有管理農場）4,473 Average Farm Size 平均 4,473 頭母豬的農場規模(2022.06)US Sows Managed美國管理母豬數 103,672 107,040 121,000 130,000 137,000 127,500 137,000 140,000 140,391 174,009 178,401 198,300 193,674 232,931 247,206 283,551

4、 272,237 277,230 317,584y=11516x+70037-100,000 200,000 300,000 2004200520062007200820092010201120122013201420152016201720182019202020212022 YTDSows Managed Pipestone2022.06派斯通美國管理體系母豬場生產表現US industry PRRS incidence for 2021 was 22%;Pipestone Rate was 7.7%2021年美國養豬業PRRS的發病率為22%;派斯通美國管理體系為7.7%PIPESTON

5、E FILTRATION:LEARNINGS&EFFICACY派斯通在豬場空濾之研習及成效Concept概念Prevent PRRS aerosol infections into sow farms by filtering out virus sized particles from the air過濾掉空氣中的病毒顆粒以預防PRRS氣溶膠感染到母豬場Began in 2009 始于2009年Make barn construction air tight 改善豬舍氣密性Improve biosecurity 提升生物安全Building 1 PRRSV and M hyo-positiv

6、e 藍藍耳和豬肺炎支原體陽性耳和豬肺炎支原體陽性 source population種源群落種源群落Building 3(filtered)過濾過濾Building 2(non-filtered）未未過濾過濾4m 120mPredominant windDirection 主主導風導風向向Building 4(filtered)過濾過濾 4mPitkin et al,Vet Microbiol 2009,Dee et al,Virus Research 2010空氣傳播病原的風險空氣傳播病原的風險 和和 空氣過濾的使用空氣過濾的使用Summary of airborne infection e

7、vents by filter design空濾對于空氣傳播感染疾病的效果匯總 Pathogen病菌病菌NO FILTERS無過濾無過濾FILTERED MERV 16 FILTERED MERV 14 FILTERED Anti-microbial抗微生物抗微生物病菌過濾病菌過濾 FILTEREDElectrostatic靜電式過濾靜電式過濾 PRRSV藍耳藍耳33/63 0/39(p=0.0005)0/13(p=0.0005)0/24(p=0.0005)0/24(p=0.0005)M hyo豬支原體豬支原體肺炎肺炎17/37 0/13(p=0.0001)0/13(p=0.0001)0/24

8、(p=0.01)0/24(p=0.0005)PVS Filter History派斯通豬場使用空濾歷史2006 Filtration Proof of Concept(Scott Dee)空氣過濾的概念被證實（迪博士）2013 PVS enters dist channel direct with 3M派斯通進入3M的直銷渠道Whats next?接下去是什么？20081st Sow Farm Filtered(H2)第一個空濾母豬場2011Dr.Scott Dee Joins Pipestone Team.迪博士加入派斯通團隊 2014ECR intro to filter increase

9、 lifespan使用ECR以延長空濾使用年限201219 PSS farms filtered派斯通管理體系有19個空濾農場2013PVS begins to inspect and test filters派斯通開始觀察和測試各種廠牌空濾產品2016PVS research leads to Fiberglass and Synthetic options for customers派斯通研究結果為客戶提供了玻璃纖維和合成纖維兩種濾材的選擇2019Continued learning.$250K on research to date繼續研究：25萬美金研究至今20183M sells f

10、ilter unit.PVS provides Camfil and validates other options3M終止過濾器業務板塊，派斯通提供Camfil并驗證其他選項2019200,000 sows filtered20萬母豬空濾u 14 years of field and bench top research 積累了14年的試驗和實際應用經驗u Proven track record of efficacy and performance 經過驗證的功效和性能記錄1234567891011121314151617181920212223-120-110-100-90-80-70-

11、60-50-40-30-20-100102030405060708090100 110 120Breeding HerdsTime Pre and Post Air Filtration(Months)PRRS Breaks Before and After Filtration在使用空濾前后在使用空濾前后PRRSPRRS發病豬群數發病豬群數Data analyses數據分析1.The likelihood of a new PRRSV infection was significantly higher(p 0.01)in non-filtered herds versus filtered

12、 herds.未空濾豬群中新藍耳病毒感染的可能性顯著高于空濾豬群（p 0.01）。2.The odds of a new PRRSV infection were 8x higher(p 0.01)before filtration than after filtration.空濾前新藍耳病毒感染的幾率比空濾后高8倍（p 0.01）3.The median time to new PRRSV infections in filtered herds(30 months)was significantly lower(p 0.01)than in non-filtered herds(11 mo

13、nths).空濾過的豬群（30個月）中新藍耳病毒感染的中位時間顯著低于未空濾的豬群（11個月）（p 0.01）。Conclusion:Filtration significantly reduces the risk of new PRRSV infections.結論結論：空濾顯著降低了新的藍耳病毒感染的風險。Sow Farms managed by Pipestone in Shandong派斯通在山東管理的三個母豬場Background 基本信息FarmStocking DateCapacity,sowsVentilation System Filtered/Non-filteredFi

14、ltration Remodeling CompletedSow Farm 1May 20156,200Negative PressureNoneJul 2021Sow Farm 2May 20166,200Negative PressureNoneDec 2019Sow Farm 3Jul 20178,000Negative PressureYes4 kmFarm 2Farm 3Farm 112 kmSow Farms managed by Pipestone in Shandong派斯通在山東管理的三個母豬場Filtered Farm Outcome空濾農場結論Not 100%reduct

15、ion in PRRS risk不是100%降低藍耳風險80%reduction in PRRS break rate藍耳發病率降低80Not all filters are created equal并非所有空濾器都相同Many low cost options that are not effective許多廉價產品沒有效果Many have not been tested很多未經測試Many people do not install or do construction correctly許多人沒有正確安裝或正確建造Airflow will be restricted unless f

16、ilters are kept clean and changed periodically除非空濾器保持清潔并定期更換，否則通風將受到限制Understand timeline of prefilter and main filter replacement必須掌握初濾器和精濾器的更換時間Filtration Layouts空濾器布局圖Positive vs Negative Pressure正壓與負壓Both effective都有效PS farms 100%negative 派斯通體系農場100%負壓Have had great success取得了巨大的成功RETROFIT FILTR

17、ATION EXAMPLE改裝過濾示例Filtration Initial Cost空濾初始成本Ducladel 2650 sows Gestation(2barns-2272 crates total)妊娠舍-2棟舍-2272限位欄Farrowing(18 rooms of 24 432 crates total)分娩舍-18間-432產床GDU(3 rooms of 136 head each)后備舍-3間，每間136頭豬Filtration Initial Costs空濾初始成本Biosecure Air$630,000.00Filters+Prefilters 空濾器+初濾器$180,

18、500.00Electrical用電$30,000.00Furnace/Water heaters爐子/熱水器$6,500.00Contingency應急開支$25,000.00Total 合計合計$872,000.00 608萬人民幣萬人民幣$329.00/sow每母豬每母豬329美金美金2300人民幣人民幣Filtration Ongoing Costs空濾運行維護成本Prefilters(1yr life)初濾器（1年$9,000/yrMain Filters(4 yr life)精濾器$66,000/yrOther Maintenance其他維護$10,000/yrExtra Labo

19、r(FCT)其他勞動力$10,000/yrTotal合計合計$95,000.0066萬人民幣萬人民幣$1.00-1.25/weaned pig today(2020)每頭斷奶豬每頭斷奶豬1 1美金美金-1.25-1.25美金美金 7 7元元-9-9元元（2020年）年）Filter Bank End of Gestation Barn空濾器墻-妊娠舍末端Filter Bank Side of Farrowing Barn空濾器墻-分娩舍側邊Gestation Barn Fans風機墻Inside Fan Bank風機墻內側Filter Boxes空濾箱空氣只是病原傳播途徑之一，而空氣過濾系統亦僅是所有生物安全防控手段之一必須將正確的空氣過濾系統與其他生物安全實踐結合使用結語Thank you 謝謝