1. 厚生労働省「令和元年( 2019 年)食中毒発生事例(速報)」 (https://www.mhlw.go.jp/stf/seisakunitsuite/bunya/kenkou_iryou/ shokuhin/syokuchu/04.html)(2020/03/10閲覧).
2. Nachamkin I, Allos BM, Ho T. 1998. Campylobacter species and Guillain-Barré syndrome. Clin Microbiol Rev 11:555‒67.
3. Melero B, Juntunen P, Hänninen ML, Jaime I, Rovira J. 2012. Tracing Campylobacter jejuni strains along the poultry meat production chain from farm to retail by pulsed-field gel electrophoresis, and the antimicrobial resistance of isolates. Food Microbiol 32:124‒128.
4. Doyle MP, Erickson MC. 2006. Reducing the carriage of foodborne pathogens in livestock and poultry. Poult Sci 85:960‒973.
5. Newell DG, Fearnley C. 2003. Sources of Campylobacter colonization in broiler chickens. Appl Environ Microbiol 69:4343‒ 4351.
6. Sasaki Y, Tsujiyama Y, Tanaka H, Yoshida S, Goshima T, Oshima K, Katayama S, Yamada Y. 2011. Risk factors for Campylobacter colonization in broiler flocks in Japan. Zoonoses Public Health 58:350‒356.
7. Agunos A, Waddell L, Léger D, Taboada E. 2014. A systematic review characterizing on-farm sources of Campylobacter spp. for broiler chickens. PLoS One 9:e104905.
8. Jorgensen F, Ellis-Iversen J, Rushton S, Bull SA, Harris SA, Bryan SJ, Gonzalez A, Humphrey TJ. 2011. Influence of season and geography on Campylobacter jejuni and C. coli subtypes in housed broiler flocks reared in Great Britain. Appl Environ Microbiol 77:3741‒3748.
9. Djennad A, Lo Iacono G, Sarran C, Lane C, Elson R, Höser C, Lake IR, Colón-González FJ, Kovats S, Semenza JC, Bailey TC, Kessel A, Fleming LE, Nichols GL. 2019. Seasonality and the effects of weather on Campylobacter infections. BMC Infect Dis 19:1‒10.
10. Royden A, Wedley A, Merga JY, Rushton S, Hald B, Humphrey T, Williams NJ. 2016. A role for flies (Diptera) in the transmission of Campylobacter to broilers? Epidemiol Infect 144:3326‒3334.
11. Prince Milton AA, Agarwal RK, Priya GB, Saminathan M, Aravind M, Reddy A, Athira CK, Anjay, Ramees TP, Dhama K, Sharma AK, Kumar A. 2017. Prevalence of Campylobacter jejuni and Campylobacter coli in captive wildlife species in India. Iran J Vet Res 18:177‒182.
12. Haruna M, Sasaki Y, Murakami M, Ikeda A, Kusukawa M, Tsujiyama Y, Ito K, Asai T, Yamada Y. 2012. Prevalence and antimicrobial susceptibility of Campylobacter in broiler flocks in Japan. Zoonoses Public Health 59:241‒245.
13. Yamazaki W, Uemura R, Sekiguchi S, Dong JB, Watanabe S, Kirino Y, Mekata H, Nonaka N, Norimine J, Sueyoshi M, Goto Y, Horii Y, Kurogi M, Yoshino S, Misawa N. 2016. Campylobacter and Salmonella are prevalent in broiler farms in Kyushu, Japan: Results of a 2-year distribution and circulation dynamics audit. J Appl Microbiol 120:1711‒1722.
14. Powell LF, Lawes JR, Clifton-Hadley FA, Rodgers J, Harris K, Evans SJ. 2012. The prevalence of Campylobacter spp. in broiler flocks and on broiler carcases, and the risks associated with highly contaminated carcases. Epidemiol Infect 140:2233‒2246.
15. Perez-Arnedo I, Gonzalez-Fandos E. 2019. Prevalence of Campylobacter spp. in poultry in three Spanish farms, a slaughterhouse and a further processing plant. Foods 8:111.
16. Skarp CP, Hänninen ML, Rautelin HI. 2016. Campylobacteriosis: The role of poultry meat. Clin Microbiol Infect 22:103‒109.
17. Eng SK, Pusparajah P, Ab Mutalib NS, Ser HL, Chan KG, Lee LH. 2015. Salmonella : A review on pathogenesis, epidemiology and antibiotic resistance. Front Life Sci 8:284‒293.
18. Vetchapitak T, Misawa N. 2019. Current status of Campylobacter food poisoning in Japan. Food Saf 7:61‒73.
19. 農林水産省「農林水産物輸出入概 況 ( 2018 年)」 (http://www.maff.go.jp/j/tokei/kouhyou/kokusai/houkoku_gaikyo u.html#r29) (2020/03/10閲覧).
20. Prabakaran R. 2003. Good practices in planning and management of integrated commercial poultry production in South Asia. Food & Agriculture Org.
21. Van De Giessen AW, Tilburg JJ, Ritmeester WS, Van Der Plas J. 1998. Reduction of Campylobacter infections in broiler flocks by application of hygiene measures. Epidemiol Infect 121:57‒66.
22. Li L, Mendis N, Trigui H, Oliver JD, Faucher SP. 2014. The importance of the viable but non-culturable state in human bacterial pathogens. Front Microbiol 5:1‒1.
23. Ramamurthy T, Ghosh A, Pazhani GP, Shinoda S. 2014. Current perspectives on viable but non-culturable (VBNC) pathogenic bacteria. Front public Heal 2:1‒9.
24. Battersby T, Whyte P, Bolton DJ. 2016. The pattern of Campylobacter contamination on broiler farms; external and internal sources. J Appl Microbiol 120:1108‒1118.
25. Evans SJ, Sayers AR. 2000. A longitudinal study of Campylobacter infection of broiler flocks in Great Britain. Prev Vet Med 46:209‒ 223.
26. Arai S, Kim H, Watanabe T, Tohya M, Suzuki E, Ishida-Kuroki K, Maruyama F, Murase K, Nakagawa I, Sekizaki T. 2018. Assessment of pig saliva as a Streptococcus suis reservoir and potential source of infection on farms by use of a novel quantitative polymerase chain reaction assay. Am J Vet Res 79:941‒948.
27. Inglis GD, Kalischuk LD. 2003. Use of PCR for direct detefction of Campylobacter species in bovine feces. Appl Environ Microbiol 69:3435‒3447.
28. Shreeve JE, Toszeghy M, Ridley A, Newell DG. 2002. The carry-over of Campylobacter isolates between sequential poultry flocks. Avian Dis 46:378‒385.
29. Gregory E, Barnhart H, Dreesen DW, Stern NJ, Corn JL. 1997. Epidemiological study of Campylobacter spp. in broilers: source, time of colonization, and prevalence. Avian Dis 41:890‒898.
30. Han Z, Pielsticker C, Gerzova L, Rychlik I, Rautenschlein S. 2016. The influence of age on Campylobacter jejuni infection in chicken. Dev Comp Immunol 62:58‒71.
31. Callicott KA, Frioriksdóttir V, Reiersen J, Lowman R, Bisaillon JR, Gunnarsson E, Berndtson E, Hiett KL, Needleman DS, Stern NJ. 2006. Lack of evidence for vertical transmission of Campylobacter spp. in chickens. Appl Environ Microbiol 72:5794‒5798.
32. Cox NA, Richardson LJ, Maurer JJ, Berrang ME, Fedorka-CRAY PJ, Buhr RJ, Byrd JA, Lee MD, Hofacre CL, Oʼkane PM, Lammerding AM, Clark AG, Thayer SG, Doyle MP. 2012. Evidence for horizontal and vertical transmission in Campylobacter passage from hen to her progeny. J Food Prot 75:1896‒1902.
33. Zhang X, Yin T, Du X, Yang W, Huang J, Jiao X. 2017. Occurrence and genotypes of Campylobacter species in broilers during the rearing period. Avian Pathol 46:215‒223.
34. Hald B, Skovgård H, Pedersen K, Bunkenborg H. 2008. Influxed insects as vectors for Campylobacter jejuni and Campylobacter coli in Danish broiler houses. Poult Sci 87:1428‒1434.
35. Ellis-Iversen J, Ridley A, Morris V, Sowa A, Harris J, Atterbury R, Sparks N, Allen V. 2012. Persistent environmental reservoirs on farms as risk factors for Campylobacter in commercial poultry. Epidemiol Infect 140:916‒924.
36. Svedhem A, Kaijser B. 1981. Isolation of Campylobacter jejuni from domestic animals and pets: probable orgin of human infection. J Infect 3:37‒40.
37. Moore JE, Corcoran D, Dooley JSG, Fanning S, Lucey B, Matsuda M, McDowell DA, Megraud F, Cherie Millar B, OʼMahony R, OʼRiordan L, OʼRourke M, Rao JR, Rooney PJ, Sails A, Whyte P. 2005. Campylobacter. Vet Res 36:351‒382.
38. Carbonero A, Paniagua J, Torralbo A, Arenas-Montes A, Borge C, García-Bocanegra I. 2014. Campylobacter infection in wild artiodactyl species from southern Spain: Occurrence, risk factors and antimicrobial susceptibility. Comp Immunol Microbiol Infect Dis 37:115‒121.
39. Matsusaki S, Katayama A, Itagaki K, Yamagata H, Tanaka K, Yamami T, Uchida W. 1986. Prevalence of Campylobacter jejuni and Campylobacter coli among wild and domestic animals in Yamaguchi prefecture. Microbiol Immunol 30:1317‒1322.
40. Sasaki Y, Goshima T, Mori T, Murakami M, Haruna M, Ito K, Yamada Y. 2013. Prevalence and antimicrobial susceptibility of foodborne bacteria in wild boars (Sus scrofa) and wild deer (Cervus nippon) in Japan. Foodborne Pathog Dis 10:985‒991.
41. 環境省「アライグマ、ハクビシン、ヌートリアの生息分布調査の結果に ついて」 (https://www.env.go.jp/press/105902.html) (2020/03/10 閲覧).
42. Saunders S, Smith K, Schott R, Dobbins G, Scheftel J. 2017. Outbreak of Campylobacteriosis associated with raccoon contact at a wildlife rehabilitation centre, Minnesota, 2013. Zoonoses Public Health 64:222‒227.
43. 環境省 「全国のニホンジカ及びイノシシの生息分布拡大状況調査」 (https://www.env.go.jp/press/100922.html) (2020/03/10閲覧).
44. Yamazaki W, Sabike II, Sekiguchi S. 2017. High prevalence of Campylobacter in broiler flocks is a crucial factor for frequency of food poisoning in humans. Jpn J Infect Dis 70:691‒692.
45. 山口県「やまぐち高度衛生管理農場認定制度について」 (https://www.pref.yamaguchi.lg.jp/cms/a17600/150322/201603 22.html) (2020/03/10閲覧).
46. Cantlay JC, Ingram DJ, Meredith AL. 2017. A review of zoonotic infection risks associated with the wild meat trade in Malaysia. Ecohealth 14:361‒388.
47. Petersen L, Nielsen EM, Engberg J, On SLW, Dietz HH. 2001. Comparison of genotypes and serotypes of Campylobacter jejuni isolated from Danish wild mammals and birds and from broiler flocks and humans. Appl Environ Microbiol 67:3115‒3121.
48. Okamura M, Kaneko M, Ojima S, Sano H, Shindo J, Shirafuji H, Yamamoto S, Tanabe T, Yoshikawa Y, Hu D-L. 2018. Differential distribution of Salmonella serovars and Campylobacter spp. isolates in free-living crows and broiler chickens in Aomori, Japan. Microbes Environ 33:77‒82.
49. Browne HP, Neville BA, Forster SC, Lawley TD. 2017. Transmission of the gut microbiota: spreading of health. Nat Rev Microbiol 15:531‒543.
50. Han Z, Willer T, Li L, Pielsticker C, Rychlik I, Velge P, Kaspers B, Rautenschlein S. 2017. Influence of the gut microbiota composition on Campylobacter jejuni colonization in chicken. Infect Immun 85:1‒15.
51. Bjerrum L, Engberg RM, Leser TD, Jensen BB, Finster K, Pedersen K. 2006. Microbial community composition of the ileum and cecum of broiler chickens as revealed by molecular and culture-based techniques. Poult Sci 85:1151‒1164.
52. Yeoman CJ, Chia N, Jeraldo P, Sipos M, Goldenfeld ND, White BA. 2012. The microbiome of the chicken gastrointestinal tract. Anim Heal Res Rev 13:89‒99.
53. Oakley BB, Lillehoj HS, Kogut MH, Kim WK, Maurer JJ, Pedroso A, Lee MD, Collett SR, Johnson TJ, Cox NA. 2014. The chicken gastrointestinal microbiome. FEMS Microbiol Lett 360:100‒112.
54. Scupham AJ, Jones JA, Rettedal EA, Weber TE. 2010. Antibiotic manipulation of intestinal microbiota to Identify microbes associated with Campylobacter jejuni exclusion in poultry 76:8026‒8032.
55. Thomas M, Wongkuna S, Ghimire S, Kumar R, Antony L, Doerner KC, Singery A, Nelson E, Woyengo T, Chankhamhaengdecha S, Janvilisri T, Scaria J. 2019. Gut microbial dynamics during conventionalization of germfree chicken. mSphere 4:1‒12.
56. Park SH, Lee SI, Kim SA, Christensen K, Ricke SC. 2017. Comparison of antibiotic supplementation versus a yeast-based prebiotic on the cecal microbiome of commercial broilers. PLoS One 12:e0182805.
57. Johnson TJ, Youmans BP, Noll S, Cardona C, Evans NP, Karnezos TP, Ngunjiri JM, Abundo MC, Lee C-W. 2018. A consistent and predictable commercial broiler chicken bacterial microbiota in antibiotic-free production displays strong correlations with performance. Appl Environ Microbiol 84:e00362-18.
58. Klindworth A, Pruesse E, Schweer T, Peplies J, Quast C, Horn M, Glöckner FO. 2013. Evaluation of general 16S ribosomal RNA gene PCR primers for classical and next-generation sequencing-based diversity studies. Nucleic Acids Res 41:e1.
59. Jeraldo P, Kalari K, Chen X, Bhavsar J, Mangalam A, White B, Nelson H, Kocher J-P, Chia N. 2014. IM-TORNADO: A tool for comparison of 16S reads from paired-end libraries. PLoS One 9:e114804.
60. Schloss PD, Westcott SL, Ryabin T, Hall JR, Hartmann M, Hollister EB, Lesniewski RA, Oakley BB, Parks DH, Robinson CJ, Sahl JW, Stres B, Thallinger GG, Van Horn DJ, Weber CF. 2009. Introducing mothur: open-source, platform-independent, community- supported software for describing and comparing microbial communities. Appl Environ Microbiol 75:7537‒7541.
61. Cole JR, Wang Q, Cardenas E, Fish J, Chai B, Farris RJ, Kulam-SyedMohideen AS, McGarrell DM, Marsh T, Garrity GM, Tiedje JM. 2009. The Ribosomal Database Project: improved alignments and new tools for rRNA analysis. Nucleic Acids Res 37:141‒145.
62. Caporaso JG, Kuczynski J, Stombaugh J, Bittinger K, Bushman FD, Costello EK, Fierer N, Peña AG, Goodrich JK, Gordon JI, Huttley GA, Kelley ST, Knights D, Koenig JE, Ley RE, Lozupone CA, Mcdonald D, Muegge BD, Pirrung M, Reeder J, Sevinsky JR, Turnbaugh PJ, Walters WA, Widmann J, Yatsunenko T, Zaneveld J, Knight R. 2010. QIIME allows analysis of high-throughput community sequencing data Intensity normalization improves color calling in SOLiD sequencing. Nat Publ Gr 7:335‒336.
63. Ihaka R, Gentleman R. 1996. R: a language for data analysis and graphics. J Comput Graph Stat 5:299‒314.
64. Lozupone CA, Knight R. 2005. UniFrac : a new phylogenetic method for comparing microbial communities. Appl Environ Microbiol 71:8228‒8235.
65. Segata N, Izard J, Waldron L, Gevers D, Miropolsky L, Garrett WS, Huttenhower C. 2011. Metagenomic biomarker discovery and explanation. Genome Biol 12:R60.
66. Pauwels J, Taminiau B, Janssens GP, De Beenhouwer M, Delhalle L, Daube G, Coopman F. 2015. Cecal drop reflects the chickensʼ cecal microbiome, fecal drop does not. J Microbiol Methods 117:164‒ 170.
67. Ocejo M, Oporto B, Hurtado A. 2019. 16S rRNA amplicon sequencing characterization of caecal microbiome composition of broilers and free-range slow-growing chickens throughout their productive lifespan. Sci Rep 9:1‒14.
68. Danzeisen JL, Kim HB, Isaacson RE, Tu ZJ, Johnson TJ. 2011. Modulations of the chicken cecal microbiome and metagenome in response to anticoccidial and growth promoter treatment. PLoS One 6:e27949.
69. Ijaz UZ, Sivaloganathan L, McKenna A, Richmond A, Kelly C, Linton M, Stratakos AC, Lavery U, Elmi A, Wren BW, Dorrell N, Corcionivoschi N, Gundogdu O. 2018. Comprehensive longitudinal microbiome analysis of the chicken cecum reveals a ahift from competitive to environmental drivers and a window of opportunity for Campylobacter. Front Microbiol 9:2452.
70. Awad WA, Mann E, Dzieciol M, Hess C, Schmitz-Esser S, Wagner M, Hess M. 2016. Age-related differences in the luminal and mucosa-associated gut microbiome of broiler chickens and shifts associated with Campylobacter jejuni infection. Front Cell Infect Microbiol 6:154.
71. Lu J, Idris U, Harmon B, Hofacre C, Maurer JJ, Lee MD. 2003. Diversity and succession of the intestinal bacterial community of the maturing broiler chicken. Appl Environ Microbiol 69:6816‒ 6824.
72. Wong RG, Wu JR, Gloor GB. 2016. Expanding the UniFrac Toolbox. PLoS One 11:e0161196.
73. Giraffa G, Carminati D, Neviani E. 1997. Enterococci isolated from dairy products: A review of risks and potential technological use. J Food Prot 60:732‒738.
74. Arias CA, Murray BE. 2012. The rise of the Enterococcus: Beyond vancomycin resistance. Nat Rev Microbiol 10:266‒278.
75. Jung A, Chen LR, Suyemoto MM, Barnes HJ, Borst LB. 2018. A review of Enterococcus cecorum infection in poultry. Avian Dis 62:261‒271.
76. Mohd Shaufi MA, Sieo CC, Chong CW, Gan HM, Ho YW. 2015. Deciphering chicken gut microbial dynamics based on highthroughput 16S rRNA metagenomics analyses. Gut Pathog 7:1‒12.
77. Xi Y, Shuling N, Kunyuan T, Qiuyang Z, Hewen D, ChenCheng G, Tianhe Y, Liancheng L, Xin F. 2019. Characteristics of the intestinal flora of specific pathogen free chickens with age. Microb Pathog 132:325‒334.
78. Zhou X, Jiang X, Yang C, Ma B, Lei C, Xu C, Zhang A, Yang X, Xiong Q, Zhang P, Men S, Xiang R, Wang H. 2016. Cecal microbiota of Tibetan chickens from five geographic regions were determined by 16S rRNA sequencing. Microbiologyopen 5:753‒762.
79. Pandit RJ, Hinsu AT, Patel N V., Koringa PG, Jakhesara SJ, Thakkar JR, Shah TM, Limon G, Psifidi A, Guitian J, Hume DA, Tomley FM, Rank DN, Raman M, Tirumurugaan KG, Blake DP, Joshi CG. 2018. Microbial diversity and community composition of caecal microbiota in commercial and indigenous Indian chickens determined using 16s rDNA amplicon sequencing. Microbiome 6:1‒13.
80. Whitman WB, Goodfellow M, Kämpfer P, Busse H-J, Trujillo ME, Ludwig W, Suzuki K. 2012. Bergeyʼs manual of systematic bacteriology: Volume 5: The actinobacteria. Springer Science & Business Media.