Campylobacter Risk Assessment in Poultry

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Campylobacter Risk Assessment in Poultry. Helle Sommer, Bjarke Christensen , Hanne Rosenquist, Niels Nielsen and Birgit Nørrung. Probability of Exposure. P farmh. P r e v a l e n s. SLAUGHTERHOUSE. RETAIL. CONSUMER. RISK. C a.bleeding. C o n c e n t r a t i o n. - PowerPoint PPT Presentation

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  • Campylobacter Risk Assessment in PoultryHelle Sommer, Bjarke Christensen, Hanne Rosenquist, Niels Nielsen and Birgit Nrrung

  • P r e v a l e n sC o n c e n t r a t i o nSLAUGHTERHOUSERETAILCONSUMERRISKPfarmh.Ca.bleedingProbability of InfectionProbability of Exposure

  • Data examinations distributions Process model building explicit equations Explicit equations/ simulations Cross contamination What-if-simulations Slaughter house modules

  • Data examinations Data for 3 different purposes - prevalence distribution -> slaughterhouse program - concentration distribution - model building, before and after a process From mean values to a distribution Lognormal/ normal > illustrations Same or different distributions > variance analysis

  • From mean values to a distribution17 log mean values from different flocks and from 2 different studies

  • From mean values to a distribution17 distributions -> one common distribution

    Diagram1

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    0.00000060770.000000001400.00000000140.00014449020.000487360100000000.00000000020.0000031773000.0000373905

    0.00000037750.000000000800.00000000080.00011879930.00042198100000000.00000000010.0000021831000.0000319613

    0.00000023220.000000000400.00000000050.00009731830.0003643827000000000.0000014889000.0000272602

    0.00000014140.000000000200.00000000030.00007942910.0003137939000000000.0000010079000.0000231984

    0.00000008530.000000000100.00000000020.00006459060.0002694965000000000.0000006772000.0000196971

    0.00000005090.000000000100.00000000010.00005233160.0002308254000000000.0000004517000.0000166859

    0.00000003010000.00004224390.0001971679000000000.000000299000.0000141024

    0.00000001760000.00003397570.0001679618000000000.0000001965000.0000118913

    0.00000001020000.00002722560.0001426943000000000.0000001282000.0000100034

    0.00000000580000.00002173660.0001208996000000000.000000083000.0000083956

    0.00000000330000.00001729060.0001021562000000000.0000000533000.0000070296

    0.00000000190000.00001370360.0000860849000000000.000000034000.000005872

    0.0000000010000.00001082090.0000723454000000000.0000000215000.0000048935

    0.00000000060000.00000851320.000060634000000000.0000000135000.0000040683

    0.00000000030000.00000667320.0000506809000000000.0000000084000.0000033743

    0.00000000020000.00000521170.0000422468000000000.0000000052000.000002792

    0.00000000010000.00000405530.0000351209000000000.0000000032000.0000023047

    00000.00000314390.0000291178000000000.000000002000.0000018979

    00000.00000242850.0000240754000000000.0000000012000.0000015591

    00000.00000186890.0000198523000000000.0000000007000.0000012778

    00000.0000014330.0000163256000000000.0000000004000.0000010447

    00000.00000109480.0000133891000000000.0000000003000.000000852

    00000.00000083330.000010951000000000.0000000001000.0000006932

    00000.0000006320.0000089326000000000.0000000001000.0000005626

    00000.00000047750.0000072665000000000.0000000001000.0000004555

    00000.00000035950.0000058951000000000000.0000003679

    00000.00000026960.0000047696000000000000.0000002964

    00000.00000020150.0000038485000000000000.0000002382

    00000.000000150.0000030969000000000000.000000191

    00000.00000011130.0000024853000000000000.0000001527

    00000.00000008230.0000019891000000000000.0000001218

    00000.00000006060.0000015877000000000000.000000097

    00000.00000004440.0000012638000000000000.000000077

    00000.00000003250.0000010033000000000000.0000000609

    00000.00000002370.0000007943000000000000.0000000481

    00000.00000001720.0000006272000000000000.0000000379

    00000.00000001240.0000004938000000000000.0000000298

    00000.00000000890.0000003878000000000000.0000000233

    00000.00000000640.0000003037000000000000.0000000182

    00000.00000000460.0000002372000000000000.0000000142

    00000.00000000330.0000001848000000000000.0000000111

    00000.00000000230.0000001435000000000000.0000000086

    00000.00000000160.0000001112000000000000.0000000066

    00000.00000000120.0000000859000000000000.0000000051

    00000.00000000080.0000000662000000000000.0000000039

    00000.00000000060.0000000509000000000000.000000003

    00000.00000000040.000000039000000000000.0000000023

    00000.00000000030.0000000298000000000000.0000000018

    00000.00000000020.0000000227000000000000.0000000013

    00000.00000000010.0000000173000000000000.000000001

    00000.00000000010.0000000131000000000000.0000000008

    00000.00000000010.0000000099000000000000.0000000006

    000000.0000000075000000000000.0000000004

    000000.0000000056000000000000.0000000003

    000000.0000000042000000000000.0000000002

    000000.0000000031000000000000.0000000002

    000000.0000000023000000000000.0000000001

    000000.0000000017000000000000.0000000001

    000000.0000000013000000000000.0000000001

    000000.000000001000000000000.0000000001

    000000.0000000007000000000000

    000000.0000000005000000000000

    000000.0000000004000000000000

    000000.0000000003000000000000

    000000.0000000002000000000000

    000000.0000000001000000000000

    000000.0000000001000000000000

    000000.0000000001000000000000

    000000.0000000001000000000000

    000000000000000000

    000000000000000000

    000000000000000000

    000000000000000000

    000000000000000000

    000000000000000000

    000000000000000000

    000000000000000000

    000000000000000000

    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Sum (Oo+Me)

    Concentration of Campylobacter (log10 cfu/g skin)

    After blee.

    Slaughter program

    DateOrder of the daySize of the flockSum of the dayStatus from one pooled sample

    Mr. Jensen11. Jan 200015,000

    Mr. Jensen21. Jan 200027,000

    Mr. Jensen31. Jan 200033,000Camp. negative

    Mr. Jensen41. Jan 200049,000Camp. negative

    Mr. Jensen51. Jan 2000515,000Camp. negative

    Mr. Jensen61. Jan 200064,00043,000

    Mr. Jensen72. Jan 2000110,000Camp. negative

    Mr. Jensen82. Jan 2000220,000

    Mr. Jensen92. Jan 200037,00037,000Camp. negative

    Mr. Jensen103. Jan 200015,000Camp. negative

    Mr. Jensen113. Jan 200023,000

    Mr. Jensen123. Jan 2000330,000

    Mr. Jensen133. Jan 200043,00041,000Camp. negative

    -3.40.0059525324

    Middel ford.NormeretBeregn. Fordel.Normeret-3.20.0104209348

    20.00000502210.00000050220.14975477350.0193581662-30.0175283005

    2.10.00002377720.00000237770.16409778950.0212122272-2.80.0283270377

    2.20.00010148860.00001014890.17872143790.0231025644-2.60.043983596

    2.30.0003905310.00003905310.19346501090.0250084037-2.40.0656158148

    2.40.0013548010.00013548010.20815175510.026906897-2.20.0940490774

    2.50.00423718220.00042371820.22259201710.0287735286-20.12951759570

    2.60.01194704340.00119470430.23658704280.0305826064-20.12951759570.3

    2.70.0303686450.00303686450.24993333810.0323078255-1.80.171368592

    2.80.06959404170.00695940420.26242746560.0339228885-1.60.217852177

    2.90.14378062660.01437806270.27387112510.035402162-1.40.2660852499

    30.26779986550.02677998660.28407634290.0367213473-1.20.3122539334

    3.10.4496783790.04496783790.29287058440.0378581417-10.3520653268

    3.20.68073068650.06807306870.3001015940.0387928637-0.80.3813878155

    3.30.9290312440.09290312440.30564177520.0395090195-0.60.3969525475

    3.41.14305461320.11430546130.30939193420.0399937867-0.40.3969525475

    3.51.26790090310.12679009030.31128423380.0402383963-0.20.3813878155

    3.61.26790090310.12679009030.31128423380.040238396300.3520653268

    3.71.14305461320.11430546130.30939193420.03999378670.20.3122539334

    3.80.9290312440.09290312440.30564177520.03950901950.40.2660852499

    3.90.68073068650.06807306870.3001015940.03879286370.60.217852177

    40.4496783790.04496783790.29287058440.03785814170.80.171368592

    4.10.26779986550.02677998660.28407634290.036721347310.1295175957

    4.20.14378062660.01437806270.27387112510.0354021621.20.0940490774

    4.30.06959404170.00695940420.26242746560.03392288851.40.0656158148

    4.40.0303686450.00303686450.24993333810.03230782551.60.043983596

    4.50.01194704340.00119470430.23658704280.03058260641.80.02832703770

    4.60.00423718220.00042371820.22259201710.028773528620.01752830050.3

    4.70.0013548010.00013548010.20815175510.0269068972

    4.80.0003905310.00003905310.19346501090.02500840372.20.0104209348

    4.90.00010148860.00001014890.17872143790.02310256442.40.0059525324

    50.00002377720.00000237770.16409778950.02121222722.60.0032668191

    9.99999267810.99999926787.73618166631.00002348322.80.0017225689

    30.0008726827

    3.20.0004247803

    3.40.0001986555

    3.60.0000892617

    3.80.0000385352

    40.0000159837

    After blee.

    00.000000000100.00000130560.00003873620.0001734722000000000.0000000215000.0000125609

    0.00000000010.000000000200.0000019770.00004805690.000203526000000000.000000034000.0000149173

    0.00000000010.000000000400.00000296820.00005940170.0002381397000000000.0000000533000.0000176802

    0.00000000020.000000000800.00000441840.00007315550.0002778854000000000.000000083000.0000209143

    0.00000000040.00000000140.00000000010.00000652090.00008976350.0003233861000000000.0000001282000.0000246942

    0.00000000060.00000000270.00000000020.00000954160.00010973810.0003753177000000000.0000001965000.0000291057

    0.00000000120.0000000050.00000000050.00001384260.00013366570.0004344088000000000.000000299000.0000342484

    0.00000000210.00000000920.00000000130.00001991080.00016221360.0005014412000000000.0000004517000.0000402371

    0.00000000370.00000001670.00000000310.00002839470.00019613690.0005772493000000000.0000006772000.0000472048

    0.00000000650.000000030.00000000730.00004014770.00023628510.0006627178000000000.0000010079000.000055306

    0.00000001140.00000005320.00000001670.0000562810.00028360770.0007587798000000000.0000014889000.0000647199

    0.00000001960.00000009330.00000003760.00007822390.00033915980.0008664127000000000.0000021831000.0000756547

    0.00000003340.00000016160.00000008250.00010779380.00040410640.0009866333000000000.0000031773000.0000883523

    0.00000005650.00000027660.00000017720.00014727350.00047972430.0011204917000000000.0000045901000.0001030935

    0.00000009440.0000004680.00000037210.00019949510.00056740430.0012690636000000000.0000065819000.0001202047

    0.00000015630.00000078240.00000076410.00026792690.00066864910.001433441700000000.00000000010.0000093683000.0001400641

    0.00000025610.00000129270.00000153450.00035676070.00078507060.001614725100000000.00000000020.0000132355000.0001631103

    0.00000041560.00000211080.00000301370.00047099290.00091838320.001814007400000000.00000000040.0000185606000.000189852

    0.00000066760.00000340610.00000578850.00061649330.00107039480.002032363600000000.00000000090.0000258355000.0002208794

    0.00000106180.00000543170.00001087330.00080005340.00124299340.002270835400000000.0000000020.0000356955000.0002568792

    0.00000167190.00000856020.00001997470.00102940490.0014381310.002530415400000000.00000000420.0000489535000.0002986539

    0.00000260630.00001333210.00003588580.00131319760.00165780280.002812029500000000.00000000880.0000666385000.0003471471

    0.00000402260.00002052030.00006305080.0016609270.00190402250.00311651940.00000000010000000.00000001790.0000900409000.0004034777

    0.00000614680.00003121310.00010833890.00208280040.00217879360.0034446230.00000000030000000.00000003610.000120761000.0004689831

    0.00000929930.00004692010.00018205540.00258953260.00248407610.0037969550.00000000080000000.00000007150.0001607629000.0005452749

    0.00001392850.00006970280.00029919060.00319206510.00282174980.00417398720.0000000020000000.00000013930.0002124309000.0006343057

    0.00002065460.00010233170.00048085890.00390120450.00319357340.0045760280.00000000510000000.00000026660.0002786263000.0007384441

    0.00003032390.00014847010.00075581030.0047271820.00360114080.00500320320.00000001260000000.00000050180.0003627428000.0008605522

    0.00004407690.0002128810.00116180520.00567913970.00404583420.00545543650.000000030000000.00000092870.0004687574000.0010040523

    0.000063430.00030165030.00174654260.00676455770.00452877630.0059324320.00000006980000000.00000169010.0006012705000.0011729658

    0.00009037220.00042241510.00256773620.00798864060.005050780.00643365740.00000015820000000.00000302420.0007655334000.001371901

    0.00012747710.00058458020.00369187510.00935369030.00561229930.00695832970.00000034980000000.00000532110.0009674553000.0016059634

    0.00017802730.00079949860.00519121420.0108584970.00621338120.00750540210.00000075440000000.00000920580.0012135848000.0018805627

    0.0002461490.00108058820.0071386530.01249778560.00685361910.00807355550.00000158630000000.00001566010.0015110604000.0022010975

    0.00033695080.00144334990.00960039170.01426175750.00753211120.00866119080.00000325270000000.00002619420.00186752320.000000000100.0025725131

    0.0004566590.00190525010.01262661660.01613576830.00824742320.00926642620.000006503600000.000000000100.00004308150.00229098730.000000000600.002998748

    0.00061273770.00248542840.01624091140.01810017930.00899755750.00988709810.000012680000.00000000010.000000000600.00006967080.00278966370.000000002900.0034821136

    0.00081398090.00320419870.02042956720.02013041510.00977993070.01052076490.0000241070000.00000000060.000000002900.00011078630.00337173540.000000012600.0040226766

    0.00107055980.00408231530.02513236130.02219725170.01059135970.01116471620.0000446916000.00000000010.00000000290.000000012600.00017321940.00404508470.000000051700.0046177428

    0.00139400610.00513999360.03023658830.02426734750.01142805860.01181598580.000080791800.00000000010.00000000060.00000001260.000000051700.00026630660.00481697320.00000019920.00000000010.005261548

    0.00179711330.00639569180.0355760430.02630401450.01228564580.01247136910.000142418300.00000000060.00000000290.00000005170.000000199200.0004025710.00569368360.00000071780.00000000060.0059452661

    0.00229373540.00786468620.04093623140.02826821510.01315916460.0131274450.000244806200.00000000290.00000001260.00000019920.000000717800.00059838140.006680130.00000242230.00000000290.0066574208

    0.00289846610.00955749750.04606631130.03011975010.01404311460.01378060180.000410333300.00000001260.00000005170.00000071780.000002422300.00087455840.00777945160.00000765430.00000001260.0073847621

    0.00362618690.01147825610.05069724740.03181859250.01493149730.01442706740.000670670100.00000005170.00000019920.00000242230.00000765430.00000000010.00125682430.00899260530.00002264820.00000005170.0081136456

    0.00449147720.01362311890.05456456330.0333263070.01581787260.01506294310.00106890470.00000000010.00000019920.00000071780.00000765430.00002264820.00000000060.00177596920.01031797730.00006274920.00000019920.0088319589

    0.00550789020.01597887160.05743311220.03460748520.0166954290.01568424130.00166121880.00000000040.00000071780.00000242230.00002264820.00006274920.00000000290.00246758070.01175103420.00016279080.00000071780.0095317007

    0.00668710910.01852185960.05912067430.03563112360.01755706380.01628692490.00251751780.00000000280.00000242230.00000765430.00006274920.00016279080.00000001260.00337118330.01328403760.00039545620.00000242230.010212412

    0.00803801090.02121739150.05951710120.0363718690.01839547420.01686695060.00372028390.00000001680.00000765430.00002264820.00016279080.00039545620.00000005170.00452864690.01490584450.00089952570.00000765430.0108857277

    0.00956567960.02401974070.05859620960.03681106170.01920325650.01742031290.0053608970.00000009270.00002264820.00006274920.00039545620.00089952570.00000019920.0059817690.01660181460.00191591230.00002264820.0115811749

    0.01127042070.02687283960.05641864350.03693751660.01997301240.01794308990.00753280410.00000046460.00006274920.00016279080.00089952570.00191591230.00000071780.00776901370.01835384330.00382106510.00006274920.012352774

    0.0131468430.02971171550.05312526610.03674799670.02069746030.01843148870.01032128380.00000211090.00016279080.00039545620.00191591230.00382106510.00000242230.00992149740.02014053310.00713575670.00016279080.0132848465

    0.015183080.03246465680.04892208520.03624735060.02136954820.01888189150.01379013780.00000869810.00039545620.00089952570.00382106510.00713575670.00000765430.01245843920.0219375130.0124779260.00039545620.0144938965

    0.01736022470.03505603760.0440589520.03544830650.02198256750.01929089960.01796641080.00003250740.00089952570.00191591230.00713575670.0124779260.00002264820.01538243650.02371790380.02043109110.00089952570.0161222725

    0.01965204990.03740965970.0388050930.03437093460.02253026430.01965537640.02282505760.00011018620.00191591230.00382106510.0124779260.02043109110.00006274920.01867504710.02545292510.03132474120.00191591230.0183197642

    0.02202507670.03945241660.03342478760.0330418090.0230069450.01997248720.02827614980.0003387350.00382106510.00713575670.02043109110.03132474120.00016279080.02229324870.02711262590.04497075760.00382106510.0212124441

    0.02443903510.04111803820.02815619390.03149291890.02340757460.02023973570.03415753350.00094445560.00713575670.0124779260.03132474120.04497075760.00039545620.02616737130.02866671620.06045325590.00713575670.024863719

    0.02684774020.04235065010.0231955460.02976039140.02372786560.02045499720.04023560790.00238831430.0124779260.02043109110.04497075760.06045325590.00089952570.03020104110.03008546980.0760949730.0124779260.0292384164

    0.0292003780.04310788340.01868790490.02788309560.0239643540.02061654620.04621601210.00547759390.02043109110.03132474120.06045325590.0760949730.00191591230.0342735280.03134065970.08968896620.02043109110.0341828227

    0.03144316570.04336329130.01472454870.02590120450.02411446180.02072307980.05176452170.01139401040.03132474120.04497075760.0760949730.08968896620.00382106510.03824465860.03240648690.09898487720.03132474120.0394287971

    0.03352131990.04310788340.01134615550.02385478790.02417654390.02077373510.0565366120.02149571120.04497075760.06045325590.08968896620.09898487720.00713575670.0419621610.03326046040.10229289240.04497075760.0446195667

    0.0353812370.04235065010.00855028980.0217825030.02414991780.02076810060.06021229610.0367803160.06045325590.0760949730.09898487720.10229289240.0124779260.04527098920.03388418510.09898487720.06045325590.0493454437

    0.03697276840.04111803820.00630141820.01972044130.02403487620.02070622220.06253144070.05707783920.0760949730.08968896620.10229289240.09898487720.02043109110.04802387530.03426402030.08968896620.0760949730.0531780988

    0.03825145710.03945241660.00454172810.01770117530.02383268210.02058860220.06332417150.0803355960.08968896620.09898487720.09898487720.08968896620.03132474120.05009213030.03439157590.0760949730.08968896620.0557039942

    0.03918059710.03740965970.00320132170.01575303360.02354554480.02041619260.06253144070.10255030270.09898487720.10229289240.08968896620.0760949730.04497075760.05137559690.03426402030.06045325590.09898487720.0565704888

    0.03973298320.03505603760.00220679950.01389961980.02317658070.02019038260.06021229610.11872831440.10229289240.09898487720.0760949730.06045325590.06045325590.05181068580.03388418510.04497075760.10229289240.0555553405

    0.03989223340.03246465680.0014877220.01215957150.02272975620.01991297930.0565366120.12466946260.09898487720.08968896620.06045325590.04497075760.0760949730.05137559690.03326046040.03132474120.09898487720.0526465588

    0.03965359660.02971171550.00098085780.01054654580.02220981740.01958618430.05176452170.11872831440.08968896620.0760949730.04497075760.03132474120.08968896620.05009213030.03240648690.02043109110.08968896620.0480922725

    0.03902418780.02687283960.00063243470.00906940590.02162220570.01921256420.04621601210.10255030270.0760949730.06045325590.03132474120.02043109110.09898487720.04802387530.03134065970.0124779260.0760949730.0423780191

    0.03802263550.02401974070.00039879590.00773257350.02097296320.01879501730.04023560790.0803355960.06045325590.04497075760.02043109110.0124779260.10229289240.04527098920.03008546980.00713575670.06045325590.0361226073

    0.03667816620.02121739150.00024592970.00653650960.02026862980.01833673580.03415753350.05707783920.04497075760.03132474120.0124779260.00713575670.09898487720.0419621610.02866671620.00382106510.04497075760.029931382

    0.03502918790.01852185960.0001483190.00547828190.01951613360.01784116560.02827614980.0367803160.03132474120.02043109110.00713575670.00382106510.08968896620.03824465860.02711262590.00191591230.03132474120.0242700572

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    0.03100602850.01362311890.00005045970.00375034480.01789562830.01675295120.01796641080.01139401040.0124779260.00713575670.00191591230.00089952570.06045325590.03020104110.02371790380.00039545620.0124779260.0154184504

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    0.00924591330.00144334990.00000006040.00033713420.00930680280.01039311820.00041033330.00000009270.00000242230.00000071780.00000005170.00000001260.00016279080.00337118330.00777945160.00000000290.00000242230.0024974035

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    0.00430674180.00042241510.00000000220.00010116750.00646481660.0079583110.00004469160.00000000010.00000001260.00000000290.000000000100.00000242230.00087455840.004045084700.00000001260.00142472

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    0.00218623670.00014847010.00000000010.00003748640.00473285640.00633150780.000006503600.00000000010000.00000005170.00026630660.002290987300.00000000010.0009412004

    0.0017094670.00010233170.00000000010.0000264670.00423436820.00583507390.0000032527000000.00000001260.00017321940.0018675232000.0008206892

    0.00132337020.000069702800.00001852730.00377449380.00536299610.0000015863000000.00000000290.00011078630.0015110604000.0007160309

    0.00101428270.000046920100.00001285870.00335222840.0049157580.0000007544000000.00000000060.00006967080.0012135848000.0006250623

    0.00076965080.000031213100.00000884830.00296628780.00449361040.0000003498000000.00000000010.00004308150.0009674553000.0005459116

    0.00057820990.000020520300.00000603660.0026151570.00409658740.00000015820000000.00002619420.0007655334000.0004769645

    0.00043006520.000013332100.00000408330.00229713780.00372452550.00000006980000000.00001566010.0006012705000.000416832

    0.00031669430.000008560200.00000273840.00201039370.00337708170.000000030000000.00000920580.0004687574000.0003643213

    0.0002308890.000005431700.00000182080.00175299220.00305375430.00000001260000000.00000532110.0003627428000.0003184097

    0.00016665690.000003406100.00000120040.00152294290.00275390220.00000000510000000.00000302420.0002786263000.0002782214

    0.00011909680.000002110800.00000078460.00131823270.00247676520.0000000020000000.00000169010.0002124309000.0002430067

    0.00008426250.000001292700.00000050840.00113685570.00222148330.00000000080000000.00000092870.0001607629000.0002121232

    0.00005902360.000000782400.00000032670.00097683990.00198711580.00000000030000000.00000050180.000120761000.0001850207

    0.0000409330.00000046800.00000020810.00083626940.0017726590.00000000010000000.00000026660.0000900409000.0001612262

    0.00002810470.000000276600.00000013140.00071330270.001577063300000000.00000013930.0000666385000.0001403327

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    0.0000015280.00000000500.00000000410.00021139830.000644807100000000.00000000090.0000065819000.0000508427

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    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Sum (Oo+Me)

    Mean (Oo+Me)

    Calculated

    Concentration of Campylobacter (log10 cfu/g skin)

    Homogenitetstest

    Concentration log10 cfu/g skin

    Ark3

    Concentration log10 cfu/g skin

    00.000000000100.00000130560.00003873620.0001734722000000000.0000000215000.0000125609

    0.00000000010.000000000200.0000019770.00004805690.000203526000000000.000000034000.0000149173

    0.00000000010.000000000400.00000296820.00005940170.0002381397000000000.0000000533000.0000176802

    0.00000000020.000000000800.00000441840.00007315550.0002778854000000000.000000083000.0000209143

    0.00000000040.00000000140.00000000010.00000652090.00008976350.0003233861000000000.0000001282000.0000246942

    0.00000000060.00000000270.00000000020.00000954160.00010973810.0003753177000000000.0000001965000.0000291057

    0.00000000120.0000000050.00000000050.00001384260.00013366570.0004344088000000000.000000299000.0000342484

    0.00000000210.00000000920.00000000130.00001991080.00016221360.0005014412000000000.0000004517000.0000402371

    0.00000000370.00000001670.00000000310.00002839470.00019613690.0005772493000000000.0000006772000.0000472048

    0.00000000650.000000030.00000000730.00004014770.00023628510.0006627178000000000.0000010079000.000055306

    0.00000001140.00000005320.00000001670.0000562810.00028360770.0007587798000000000.0000014889000.0000647199

    0.00000001960.00000009330.00000003760.00007822390.00033915980.0008664127000000000.0000021831000.0000756547

    0.00000003340.00000016160.00000008250.00010779380.00040410640.0009866333000000000.0000031773000.0000883523

    0.00000005650.00000027660.00000017720.00014727350.00047972430.0011204917000000000.0000045901000.0001030935

    0.00000009440.0000004680.00000037210.00019949510.00056740430.0012690636000000000.0000065819000.0001202047

    0.00000015630.00000078240.00000076410.00026792690.00066864910.001433441700000000.00000000010.0000093683000.0001400641

    0.00000025610.00000129270.00000153450.00035676070.00078507060.001614725100000000.00000000020.0000132355000.0001631103

    0.00000041560.00000211080.00000301370.00047099290.00091838320.001814007400000000.00000000040.0000185606000.000189852

    0.00000066760.00000340610.00000578850.00061649330.00107039480.002032363600000000.00000000090.0000258355000.0002208794

    0.00000106180.00000543170.00001087330.00080005340.00124299340.002270835400000000.0000000020.0000356955000.0002568792

    0.00000167190.00000856020.00001997470.00102940490.0014381310.002530415400000000.00000000420.0000489535000.0002986539

    0.00000260630.00001333210.00003588580.00131319760.00165780280.002812029500000000.00000000880.0000666385000.0003471471

    0.00000402260.00002052030.00006305080.0016609270.00190402250.00311651940.00000000010000000.00000001790.0000900409000.0004034777

    0.00000614680.00003121310.00010833890.00208280040.00217879360.0034446230.00000000030000000.00000003610.000120761000.0004689831

    0.00000929930.00004692010.00018205540.00258953260.00248407610.0037969550.00000000080000000.00000007150.0001607629000.0005452749

    0.00001392850.00006970280.00029919060.00319206510.00282174980.00417398720.0000000020000000.00000013930.0002124309000.0006343057

    0.00002065460.00010233170.00048085890.00390120450.00319357340.0045760280.00000000510000000.00000026660.0002786263000.0007384441

    0.00003032390.00014847010.00075581030.0047271820.00360114080.00500320320.00000001260000000.00000050180.0003627428000.0008605522

    0.00004407690.0002128810.00116180520.00567913970.00404583420.00545543650.000000030000000.00000092870.0004687574000.0010040523

    0.000063430.00030165030.00174654260.00676455770.00452877630.0059324320.00000006980000000.00000169010.0006012705000.0011729658

    0.00009037220.00042241510.00256773620.00798864060.005050780.00643365740.00000015820000000.00000302420.0007655334000.001371901

    0.00012747710.00058458020.00369187510.00935369030.00561229930.00695832970.00000034980000000.00000532110.0009674553000.0016059634

    0.00017802730.00079949860.00519121420.0108584970.00621338120.00750540210.00000075440000000.00000920580.0012135848000.0018805627

    0.0002461490.00108058820.0071386530.01249778560.00685361910.00807355550.00000158630000000.00001566010.0015110604000.0022010975

    0.00033695080.00144334990.00960039170.01426175750.00753211120.00866119080.00000325270000000.00002619420.00186752320.000000000100.0025725131

    0.0004566590.00190525010.01262661660.01613576830.00824742320.00926642620.000006503600000.000000000100.00004308150.00229098730.000000000600.002998748

    0.00061273770.00248542840.01624091140.01810017930.00899755750.00988709810.000012680000.00000000010.000000000600.00006967080.00278966370.000000002900.0034821136

    0.00081398090.00320419870.02042956720.02013041510.00977993070.01052076490.0000241070000.00000000060.000000002900.00011078630.00337173540.000000012600.0040226766

    0.00107055980.00408231530.02513236130.02219725170.01059135970.01116471620.0000446916000.00000000010.00000000290.000000012600.00017321940.00404508470.000000051700.0046177428

    0.00139400610.00513999360.03023658830.02426734750.01142805860.01181598580.000080791800.00000000010.00000000060.00000001260.000000051700.00026630660.00481697320.00000019920.00000000010.005261548

    0.00179711330.00639569180.0355760430.02630401450.01228564580.01247136910.000142418300.00000000060.00000000290.00000005170.000000199200.0004025710.00569368360.00000071780.00000000060.0059452661

    0.00229373540.00786468620.04093623140.02826821510.01315916460.0131274450.000244806200.00000000290.00000001260.00000019920.000000717800.00059838140.006680130.00000242230.00000000290.0066574208

    0.00289846610.00955749750.04606631130.03011975010.01404311460.01378060180.000410333300.00000001260.00000005170.00000071780.000002422300.00087455840.00777945160.00000765430.00000001260.0073847621

    0.00362618690.01147825610.05069724740.03181859250.01493149730.01442706740.000670670100.00000005170.00000019920.00000242230.00000765430.00000000010.00125682430.00899260530.00002264820.00000005170.0081136456

    0.00449147720.01362311890.05456456330.0333263070.01581787260.01506294310.00106890470.00000000010.00000019920.00000071780.00000765430.00002264820.00000000060.00177596920.01031797730.00006274920.00000019920.0088319589

    0.00550789020.01597887160.05743311220.03460748520.0166954290.01568424130.00166121880.00000000040.00000071780.00000242230.00002264820.00006274920.00000000290.00246758070.01175103420.00016279080.00000071780.0095317007

    0.00668710910.01852185960.05912067430.03563112360.01755706380.01628692490.00251751780.00000000280.00000242230.00000765430.00006274920.00016279080.00000001260.00337118330.01328403760.00039545620.00000242230.010212412

    0.00803801090.02121739150.05951710120.0363718690.01839547420.01686695060.00372028390.00000001680.00000765430.00002264820.00016279080.00039545620.00000005170.00452864690.01490584450.00089952570.00000765430.0108857277

    0.00956567960.02401974070.05859620960.03681106170.01920325650.01742031290.0053608970.00000009270.00002264820.00006274920.00039545620.00089952570.00000019920.0059817690.01660181460.00191591230.00002264820.0115811749

    0.01127042070.02687283960.05641864350.03693751660.01997301240.01794308990.00753280410.00000046460.00006274920.00016279080.00089952570.00191591230.00000071780.00776901370.01835384330.00382106510.00006274920.012352774

    0.0131468430.02971171550.05312526610.03674799670.02069746030.01843148870.01032128380.00000211090.00016279080.00039545620.00191591230.00382106510.00000242230.00992149740.02014053310.00713575670.00016279080.0132848465

    0.015183080.03246465680.04892208520.03624735060.02136954820.01888189150.01379013780.00000869810.00039545620.00089952570.00382106510.00713575670.00000765430.01245843920.0219375130.0124779260.00039545620.0144938965

    0.01736022470.03505603760.0440589520.03544830650.02198256750.01929089960.01796641080.00003250740.00089952570.00191591230.00713575670.0124779260.00002264820.01538243650.02371790380.02043109110.00089952570.0161222725

    0.01965204990.03740965970.0388050930.03437093460.02253026430.01965537640.02282505760.00011018620.00191591230.00382106510.0124779260.02043109110.00006274920.01867504710.02545292510.03132474120.00191591230.0183197642

    0.02202507670.03945241660.03342478760.0330418090.0230069450.01997248720.02827614980.0003387350.00382106510.00713575670.02043109110.03132474120.00016279080.02229324870.02711262590.04497075760.00382106510.0212124441

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    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Oosterom et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Mead et al.

    Sum (Oo+Me)

    Concentration of Campylobacter (log10 cfu/g skin)

    TEST FOR EQUALITY OF VARIANCES

    Bartlett's test

    f161

    S^20.471

    Kritisk interval55.6

    chi^2(16)26.3

    Equality ?NO

  • Log-normal or normal distribution ?True data structure = simulated data (sim.=)Assumed distribution (dist.=)Published data = means of 4 samples,6 means from one studysim.= lognormal(6.9,2.3) dist.= normal or lognormal

  • Diagram5

    1

    1

    1

    1

    1

    1

    Mean values calculated back from mean of log values

    Ark1

    Published data = means of 4 samples, 6 means from one flock

    Simulation from lognormal(6.9,2.3)

    sim=log

    log-fordeling123456

    219.843614459347423.64141356365616.67953808032657.3227419522824.21447765811.5833049692

    26480.35293795693796.151327985411117.868430835711.1782279661232190.66478304311855.606843281

    826.37383664182873.264925392940252.091075373447.866164707541682.27123164413911.1605332616

    375.7121798392108.153513011512175.51362976624944.11011576516588.2062369872407.2690900959

    middel6975.570642224313550.302794988317290.53816851391915.119312597772821.3391823334543.9049429019

    originalvrdi123456log-trans

    log-fordelingSamples123456

    19.6306021343284.2823764686551.5442406484563.6687687287189.842690349230.361843670311.2932.4542.7422.7512.2781.482

    4009.8158227581352988.86829088617308.03069881871185.8863943969305.1707001033157.561353974923.6035.5484.2383.0742.4852.197

    1919.217110328734.2740666509351.333130844224.5217591949620.2678790861265.30413907833.2832.8662.5462.3512.7932.424

    31974.931808839249441.9497093382204.45532519492048.16201535941095.1313964152556.324298967844.5054.6942.3113.3113.0392.745

    middel9480.8988360149100862.3436108364603.84084887651005.55973442552.6031664884252.3879089228Mean3.1713.8902.9592.8722.6492.2122.9595673.499

    SD15084.3063682588169659.8735397138470.6544891237801.004611893404.859392081224.2259332086SD1.3551.4730.8710.4160.3350.5360.831

    geometrisk1482.5110702067769.0189612614909.9895096301744.5990036004445.3952271711163.0093346306

    alm.192223.2025839942439482.360524416793.42815735631178.5633609464600.1445577193349.1254118857

    111111

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