{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T21:08:21Z","timestamp":1789160901028,"version":"build-2803163510"},"reference-count":50,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2024,8,26]],"date-time":"2024-08-26T00:00:00Z","timestamp":1724630400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Rumination behavior in cattle can provide valuable information for monitoring health status and animal welfare, but continuous monitoring is essential to detect changes in rumination behavior. In a previous study validating the use of a respiration rate sensor equipped with a triaxial accelerometer, the regurgitation process was also clearly visible in the pressure and accelerometer data. The aim of the present study, therefore, was to measure the individual lengths of rumination cycles and to validate whether the sensor data showed the same number of regurgitations as those counted visually (video or direct observation). For this purpose, 19 Holstein Friesian cows equipped with a respiration rate sensor were observed for two years, with a focus on rumination behavior. The results showed a mean duration of 59.27 \u00b1 9.01 s (mean \u00b1 SD) per rumination cycle and good agreement (sensitivity: 99.1\u2013100%, specificity: 87.8\u201395%) between the two methods (sensor and visual observations). However, the frequency of data streaming (continuously or every 30 s) from the sensor to the data storage system strongly influenced the classification performance. In the future, an algorithm and a data cache will be integrated into the sensor to provide rumination time as an additional output.<\/jats:p>","DOI":"10.3390\/s24175521","type":"journal-article","created":{"date-parts":[[2024,8,26]],"date-time":"2024-08-26T10:01:51Z","timestamp":1724666511000},"page":"5521","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["A New Approach to Recording Rumination Behavior in Dairy Cows"],"prefix":"10.3390","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0421-6250","authenticated-orcid":false,"given":"Gundula","family":"Hoffmann","sequence":"first","affiliation":[{"name":"Department Sensors and Modelling, Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), 14469 Potsdam, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1033-9628","authenticated-orcid":false,"given":"Saskia","family":"Strutzke","sequence":"additional","affiliation":[{"name":"Department Sensors and Modelling, Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), 14469 Potsdam, Germany"},{"name":"Gouna GmbH, 14621 Sch\u00f6nwalde-Glien, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel","family":"Fiske","sequence":"additional","affiliation":[{"name":"Gouna GmbH, 14621 Sch\u00f6nwalde-Glien, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-9050-1591","authenticated-orcid":false,"given":"Julia","family":"Heinicke","sequence":"additional","affiliation":[{"name":"Ministry of Agriculture, Environment and Climate Protection of the Federal State of Brandenburg, 14467 Potsdam, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4450-8813","authenticated-orcid":false,"given":"Roman","family":"Mylostyvyi","sequence":"additional","affiliation":[{"name":"Faculty of Biotechnology, Dnipro State Agrarian and Economic University, 49600 Dnipro, Ukraine"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,8,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"439","DOI":"10.1016\/S0749-0720(15)30794-5","article-title":"Ingestion and mastication of feed by dairy cattle","volume":"7","author":"Beauchemin","year":"1991","journal-title":"Vet. 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