{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T21:10:32Z","timestamp":1775769032028,"version":"3.50.1"},"reference-count":30,"publisher":"American Veterinary Medical Association (AVMA)","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ajvr"],"published-print":{"date-parts":[[2004,6,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    <jats:bold>Objective<\/jats:bold>\n                    \u2014To describe myoelectric patterns in the\nintestines of cows after electrode implantation.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Animals<\/jats:bold>\n                    \u20147 lactating Simmental-Red Holstein cows.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Procedure<\/jats:bold>\n                    \u2014Cows were implanted with 7 pairs of\nbipolar silver electrodes (1 each in the ileum, cecum,\nand proximal loop of the ascending colon (PLAC) and\n4 in the spiral colon). Myoelectric activity was monitored\nduring 10 periods within the first 3 weeks after\nsurgery. Recordings from the first 2 weeks were\ncompared with recordings from the third week, which\nwas considered a steady-state condition.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Results<\/jats:bold>\n                    \u2014Significant changes over time were detected\nfor 18 of 57 variables, including 3 variables describing\nmyoelectric activity of the ileum, 6 variables of the\ncecum, 6 variables of the PLAC, and 3 variables of the\nspiral colon. Compared with values for the steadystate\ncondition, 16 variables differed significantly for\nthe 14-day period after surgery (7 variables until day\n11, 2 variables until day 8, 4 variables until day 5, 1\nvariable until day 3, and 2 variables until day 2 after\nelectrode implantation). None of the variables had significant\nchanges that lasted only 1 day after surgery.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:bold>Conclusions and Clinical Relevance<\/jats:bold>\n                    \u2014Significant\nchanges were observed for several variables of myoelectric\nactivity in all intestinal segments until as late\nas 11 days after electrode implantation, whereas a\nsteady-state condition was reached 14 days after\nsurgery. Effects of drugs, manipulations, or nutrition\nregimens on myoelectric activity of the bovine digestive\ntract should be evaluated no sooner than 2 weeks\nafter electrode implantation. 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