{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T03:47:27Z","timestamp":1790480847166,"version":"4.1.0"},"reference-count":30,"publisher":"Wiley","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Special Grant of Innovation Team of Shandong Province","award":["SDAIT-13-011-11"],"award-info":[{"award-number":["SDAIT-13-011-11"]}]},{"name":"Special Grant of Innovation Team of Shandong Province","award":["2014GSF119024"],"award-info":[{"award-number":["2014GSF119024"]}]},{"name":"Development Plan of Science and Technology of Shandong Province","award":["SDAIT-13-011-11"],"award-info":[{"award-number":["SDAIT-13-011-11"]}]},{"name":"Development Plan of Science and Technology of Shandong Province","award":["2014GSF119024"],"award-info":[{"award-number":["2014GSF119024"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BioMed Research International"],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:p>Compared with chickens raised in intensively managed breeding farms, free-range chickens in China are quite popular due to lower breeding density and less antibiotics usage. However, investigations about<jats:italic>Salmonella enterica<\/jats:italic>from free-range chickens are quite rare. The aim of the present study was to investigate prevalence and characteristics of<jats:italic>Salmonella<\/jats:italic>in free-range chickens in Shandong province, China. During the period of August and November 2015, 300 fresh fecal swabs from different broilers in three free-range chicken farms (100 samples per farm) were collected to isolate<jats:italic>Salmonella<\/jats:italic>, and then these isolates were subjected to serotyping, antibiotic sensitivity testing, enterobacterial repetitive intergenic consensus-polymerase chain reaction (ERIC-PCR), and multilocus sequence typing (ST). A total of 38<jats:italic>Salmonella<\/jats:italic>isolates (38\/300, 12.7%) were recovered. The most common serotype was Enteritidis (81.6%), followed by Indiana (13.2%) and Typhimurium (5.3%). Twenty-two out of 38 isolates (57.9%) were resistant to ampicillin, the highest resistance rate, but resistance rates to cefazolin, cefotaxime, and ceftazidime were only 7.9%. The multidrug resistance (MDR) rate was 26.3%. Additionally, the<jats:italic>Salmonella<\/jats:italic>isolates could be classified into 25 genotypes by ERIC-PCR and were divided into three ST types (ST11, ST17, and ST19), with ST11 the highest isolation rate (81.6%). In summary, as with other poultry, free-ranging chickens may also serve as potential reservoir for antibiotic resistant<jats:italic>Salmonella<\/jats:italic>, thereby posing a threat to public health.<\/jats:p>","DOI":"10.1155\/2016\/8183931","type":"journal-article","created":{"date-parts":[[2016,10,9]],"date-time":"2016-10-09T17:04:16Z","timestamp":1476032656000},"page":"1-6","source":"Crossref","is-referenced-by-count":30,"title":["Prevalence and Characteristics of<i>Salmonella<\/i>Isolated from Free-Range Chickens in Shandong Province, China"],"prefix":"10.1155","volume":"2016","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5954-3339","authenticated-orcid":true,"given":"Xiaonan","family":"Zhao","sequence":"first","affiliation":[{"name":"College of Animal Science and Technology, Shandong Agricultural University, Tai\u2019an 271000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanxia","family":"Gao","sequence":"additional","affiliation":[{"name":"College of Life Sciences, Taishan Medical University, Tai\u2019an 271000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chaoqun","family":"Ye","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Shandong Agricultural University, Tai\u2019an 271000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lingling","family":"Yang","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Shandong Agricultural University, Tai\u2019an 271000, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tao","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Animal Science and Technology, Shandong Agricultural University, Tai\u2019an 271000, 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