{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T00:09:43Z","timestamp":1791158983352,"version":"4.1.0"},"reference-count":37,"publisher":"American Society for Microbiology","issue":"7","license":[{"start":{"date-parts":[[2001,7,1]],"date-time":"2001-07-01T00:00:00Z","timestamp":993945600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Appl Environ Microbiol"],"published-print":{"date-parts":[[2001,7]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            An in vivo experiment was performed with pigs to study the inhibitory effect of fermented feed on the bacterial population of the gastrointestinal tract. Results demonstrated a significant positive correlation between pH and lactobacilli in the stomach contents of pigs in dry feed as well as in the stomach contents of pigs fed fermented feed. Furthermore, a significant positive correlation between the pH and the numbers of bacteria in the family\n            <jats:italic>Enterobacteriaceae<\/jats:italic>\n            in the contents of the stomach of pigs fed dry feed was found. In the stomach contents of pigs fed fermented feed, a significant negative correlation was found between the concentration of the undissociated form of lactic acid and the numbers of\n            <jats:italic>Enterobacteriaceae<\/jats:italic>\n            . The numbers of\n            <jats:italic>Enterobacteriaceae<\/jats:italic>\n            in the contents of the stomach, ileum, cecum, colon, and rectum of pigs fed fermented feed were significantly lower compared with the contents of the stomach, ileum, caecum, colon, and rectum of pigs fed dry feed. The numbers of total lactobacilli were significantly higher in the stomach contents of pigs fed fermented feed and in the ileum contents of one pig group fed fermented feed compared with the contents of pigs fed dry feed. However, the influence of lactobacilli on numbers of\n            <jats:italic>Enterobacteriaceae<\/jats:italic>\n            could not be demonstrated. It was concluded that fermented feed influences the bacterial ecology of the gastrointestinal tract and reduces the levels of\n            <jats:italic>Enterobacteriaceae<\/jats:italic>\n            in the different parts of the gastrointestinal tract.\n          <\/jats:p>","DOI":"10.1128\/aem.67.7.3071-3076.2001","type":"journal-article","created":{"date-parts":[[2002,7,27]],"date-time":"2002-07-27T10:00:58Z","timestamp":1027764058000},"page":"3071-3076","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":154,"title":["Effect of Fermented Feed on the Microbial Population of the Gastrointestinal Tracts of Pigs"],"prefix":"10.1128","volume":"67","author":[{"given":"Ren\u00e9 L.","family":"van Winsen","sequence":"first","affiliation":[{"name":"Department of the Science of Food of Animal Origin1 and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bert A. 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