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1、空气过滤系统在母猪场疫病防控的效益蔡世一Franz TAgenda大纲Performance 管理体系成绩Pipestone Filtration:Learnings&Efficacy派斯通在猪场空滤之研习及成效Retrofit Filtration Example改装过滤示例Global Sows Managed 管理母猪头数 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 2002020212022YTDGlobal Sows ManagedUSCHMX2022.06US Farms and Inventory 美国农场数和存栏#of Farms%of FarmsSow Inventory%of InventoryFiltered 空滤场5070.42%248,96477.07%Not Filtered 无空滤场21
3、29.58%74,06622.93%Grand Total 总计71100%323,030100%(2022.10)317,584 Managed Sows 317,584 头母猪(包含所有管理农场)4,473 Average Farm Size 平均 4,473 头母猪的农场规模(2022.06)US Sows Managed美国管理母猪数 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 20042005200620072008200920000022 YTDSows Managed Pipestone2022.06派斯通美国管理体系母猪场生产表现US industry PRRS incidence for 2021 was 22%;Pipestone Rate was 7.7%2021年美国养猪业PRRS的发病率为22%;派斯通美国管理体系为7.7%PIPESTON
5、E FILTRATION:LEARNINGS&EFFICACY派斯通在猪场空滤之研习及成效Concept概念Prevent PRRS aerosol infections into sow farms by filtering out virus sized particles from the air过滤掉空气中的病毒颗粒以预防PRRS气溶胶感染到母猪场Began in 2009 始于2009年Make barn construction air tight 改善猪舍气密性Improve biosecurity 提升生物安全Building 1 PRRSV and M hyo-positiv
6、e 蓝蓝耳和猪肺炎支原体阳性耳和猪肺炎支原体阳性 source population种源群落种源群落Building 3(filtered)过滤过滤Building 2(non-filtered)未未过滤过滤4m 120mPredominant windDirection 主主导风导风向向Building 4(filtered)过滤过滤 4mPitkin et al,Vet Microbiol 2009,Dee et al,Virus Research 2010空气传播病原的风险空气传播病原的风险 和和 空气过滤的使用空气过滤的使用Summary of airborne infection e
7、vents by filter design空滤对于空气传播感染疾病的效果汇总 Pathogen病菌病菌NO FILTERS无过滤无过滤FILTERED MERV 16 FILTERED MERV 14 FILTERED Anti-microbial抗微生物抗微生物病菌过滤病菌过滤 FILTEREDElectrostatic静电式过滤静电式过滤 PRRSV蓝耳蓝耳33/63 0/39(p=0.0005)0/13(p=0.0005)0/24(p=0.0005)0/24(p=0.0005)M hyo猪支原体猪支原体肺炎肺炎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派斯通猪场使用空滤历史2006 Filtration Proof of Concept(Scott Dee)空气过滤的概念被证实(迪博士)2013 PVS enters dist channel direct with 3M派斯通进入3M的直销渠道Whats next?接下去是什么?20081st Sow Farm Filtered(H2)第一个空滤母猪场2011Dr.Scott Dee Joins Pipestone Team.迪博士加入派斯通团队 2014ECR intro to filter increase
9、 lifespan使用ECR以延长空滤使用年限201219 PSS farms filtered派斯通管理体系有19个空滤农场2013PVS begins to inspect and test filters派斯通开始观察和测试各种厂牌空滤产品2016PVS research leads to Fiberglass and Synthetic options for customers派斯通研究结果为客户提供了玻璃纤维和合成纤维两种滤材的选择2019Continued learning.$250K on research to date继续研究:25万美金研究至今20183M sells f
10、ilter unit.PVS provides Camfil and validates other options3M终止过滤器业务板块,派斯通提供Camfil并验证其他选项2019200,000 sows filtered20万母猪空滤u 14 years of field and bench top research 积累了14年的试验和实际应用经验u Proven track record of efficacy and performance 经过验证的功效和性能记录6223-120-110-100-90-80-70-
11、60-50-40-30-20-5060708090100 110 120Breeding HerdsTime Pre and Post Air Filtration(Months)PRRS Breaks Before and After Filtration在使用空滤前后在使用空滤前后PRRSPRRS发病猪群数发病猪群数Data analyses数据分析1.The likelihood of a new PRRSV infection was significantly higher(p 0.01)in non-filtered herds versus filtered
12、 herds.未空滤猪群中新蓝耳病毒感染的可能性显着高于空滤猪群(p 0.01)。2.The odds of a new PRRSV infection were 8x higher(p 0.01)before filtration than after filtration.空滤前新蓝耳病毒感染的几率比空滤后高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).空滤过的猪群(30个月)中新蓝耳病毒感染的中位时间显着低于未空滤的猪群(11个月)(p 0.01)。Conclusion:Filtration significantly reduces the risk of new PRRSV infections.结论结论:空滤显著降低了新的蓝耳病毒感染的风险。Sow Farms managed by Pipestone in Shandong派斯通在山东管理的三个母猪场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派斯通在山东管理的三个母猪场Filtered Farm Outcome空滤农场结论Not 100%reduct
15、ion in PRRS risk不是100%降低蓝耳风险80%reduction in PRRS break rate蓝耳发病率降低80Not all filters are created equal并非所有空滤器都相同Many low cost options that are not effective许多廉价产品没有效果Many have not been tested很多未经测试Many people do not install or do construction correctly许多人没有正确安装或正确建造Airflow will be restricted unless f
16、ilters are kept clean and changed periodically除非空滤器保持清洁并定期更换,否则通风将受到限制Understand timeline of prefilter and main filter replacement必须掌握初滤器和精滤器的更换时间Filtration Layouts空滤器布局图Positive vs Negative Pressure正压与负压Both effective都有效PS farms 100%negative 派斯通体系农场100%负压Have had great success取得了巨大的成功RETROFIT FILTR
17、ATION EXAMPLE改装过滤示例Filtration Initial Cost空滤初始成本Ducladel 2650 sows Gestation(2barns-2272 crates total)妊娠舍-2栋舍-2272限位栏Farrowing(18 rooms of 24 432 crates total)分娩舍-18间-432产床GDU(3 rooms of 136 head each)后备舍-3间,每间136头猪Filtration Initial Costs空滤初始成本Biosecure Air$630,000.00Filters+Prefilters 空滤器+初滤器$180,
18、500.00Electrical用电$30,000.00Furnace/Water heaters炉子/热水器$6,500.00Contingency应急开支$25,000.00Total 合计合计$872,000.00 608万人民币万人民币$329.00/sow每母猪每母猪329美金美金2300人民币人民币Filtration Ongoing Costs空滤运行维护成本Prefilters(1yr life)初滤器(1年$9,000/yrMain Filters(4 yr life)精滤器$66,000/yrOther Maintenance其他维护$10,000/yrExtra Labo
19、r(FCT)其他劳动力$10,000/yrTotal合计合计$95,000.0066万人民币万人民币$1.00-1.25/weaned pig today(2020)每头断奶猪每头断奶猪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空滤器墙-妊娠舍末端Filter Bank Side of Farrowing Barn空滤器墙-分娩舍侧边Gestation Barn Fans风机墙Inside Fan Bank风机墙内侧Filter Boxes空滤箱空气只是病原传播途径之一,而空气过滤系统亦仅是所有生物安全防控手段之一必须将正确的空气过滤系统与其他生物安全实践结合使用结语Thank you 谢谢