{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T23:46:26Z","timestamp":1773099986988,"version":"3.50.1"},"reference-count":29,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2024,10,30]],"date-time":"2024-10-30T00:00:00Z","timestamp":1730246400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Veterinary Surgery"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To determine the impact of a two\u2010stage rumen cannulation on the health and rumen function of lactating dairy cows.<\/jats:p><\/jats:sec><jats:sec><jats:title>Study design<\/jats:title><jats:p>Experimental study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Animals<\/jats:title><jats:p>Six lactating Holstein cows.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We performed a two\u2010stage rumen cannulation in six Holstein cows that were 49\u2009\u00b1\u200911\u2009days in milk. The following clinical health parameters and digestion\u2010associated variables were analyzed on seven measurement days, from before the first surgery until 28\u2009days after the second surgery: body temperature, heart rate, respiratory rate, pain score, rumen fill score, fecal score, wet sieving, auscultation and palpation of the rumen, bodyweight, body condition score, and activity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The pain score of the cows was constantly zero. Similarly, the body temperature and respiratory rate remained within physiological ranges, whereas the heart rate was slightly higher immediately after the second surgery. No differences were observed in rumen fill (2.00\u20132.67; <jats:italic>p<\/jats:italic>\u2009=\u2009.10) and fecal consistency scores (2.17\u20132.67; <jats:italic>p<\/jats:italic>\u2009=\u2009.42). The fecal particle size distribution showed negligible differences. The cows lost approximately 43\u2009kg of bodyweight during the experiment (<jats:italic>p<\/jats:italic>\u2009&lt;\u2009.01), which was reflected in a 0.5\u2010point body condition score loss (<jats:italic>p<\/jats:italic>\u2009&lt;\u2009.01).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>A temporary minimal negative effect of a two\u2010stage rumenostomy on the health and body condition of early lactating Holstein cows was observed, whereas digestion was unaffected. Considering the limited sample size, further studies are required to substantiate these findings.<\/jats:p><\/jats:sec><jats:sec><jats:title>Clinical significance<\/jats:title><jats:p>Given that animals are appropriately medically managed, experimental rumenostomy of lactating dairy cows may not compromise their health or rumen function.<\/jats:p><\/jats:sec>","DOI":"10.1111\/vsu.14182","type":"journal-article","created":{"date-parts":[[2024,10,30]],"date-time":"2024-10-30T12:55:29Z","timestamp":1730292929000},"page":"389-397","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Impact of a two\u2010stage rumen cannulation on the health and rumen function of six lactating dairy cows"],"prefix":"10.1111","volume":"54","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5709-0500","authenticated-orcid":false,"given":"Thomas","family":"Hartinger","sequence":"first","affiliation":[{"name":"Center for Animal Nutrition and Welfare University of Veterinary Medicine Vienna  Vienna Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laura","family":"Beissel","sequence":"additional","affiliation":[{"name":"Center for Animal Nutrition and Welfare University of Veterinary Medicine Vienna  Vienna Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9304-2351","authenticated-orcid":false,"given":"Ezequias","family":"Castillo\u2010Lopez","sequence":"additional","affiliation":[{"name":"Center for Animal Nutrition and Welfare University of Veterinary Medicine Vienna  Vienna Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6113-8458","authenticated-orcid":false,"given":"Thomas","family":"Wittek","sequence":"additional","affiliation":[{"name":"Clinical Center for Ruminant and Camelid Medicine University of Veterinary Medicine  Vienna 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