{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T08:38:21Z","timestamp":1792485501621,"version":"4.5.0"},"reference-count":0,"publisher":"Oxford University Press (OUP)","license":[{"start":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T00:00:00Z","timestamp":1792454400000},"content-version":"am","delay-in-days":1,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:title>Lay Summary<\/jats:title>\n                  <jats:p>Heart rate variability (HRV) measurement, or the change in interval length between subsequent heart beats over time, is commonly used to measure physiological stress in animals. Analysis of HRV typically requires 5\u2009minutes of data for reliable assessment of short-term stress. However, obtaining 5\u2009minutes of data can be difficult in livestock production settings. This study evaluated whether shorter dataset lengths could reliably replace the standard 5-minute dataset required for assessing HRV in mature sows housed individually or in groups. Our results indicate that root mean square of successive differences (RMSSD) can be reliably measured using 4\u2009minutes of data instead of the standard 5-minute dataset. Other HRV traits (average inter-beat interval length and standard deviation of the inter-beat intervals) could be measured using data sets shorter than 5\u2009minutes but their results were less reliable.<\/jats:p>","DOI":"10.1093\/jas\/skag337","type":"journal-article","created":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T07:38:47Z","timestamp":1792481927000},"source":"Crossref","is-referenced-by-count":0,"title":["Ultra-short heart rate variability recordings: Are they reliable for use with resting sows?"],"prefix":"10.1093","author":[{"given":"Christopher J","family":"Byrd","sequence":"first","affiliation":[{"name":"North Dakota State University Department of Animal Sciences, , Fargo, ND USA 58108"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer M","family":"Young","sequence":"additional","affiliation":[{"name":"North Dakota State University Department of Animal Sciences, , Fargo, ND USA 58108"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dominique M","family":"Sommer","sequence":"additional","affiliation":[{"name":"North Dakota State University Department of Animal Sciences, , Fargo, ND USA 58108"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2026,10,19]]},"container-title":["Journal of Animal Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/academic.oup.com\/jas\/advance-article-pdf\/doi\/10.1093\/jas\/skag337\/72124953\/skag337.pdf","content-type":"application\/pdf","content-version":"am","intended-application":"syndication"},{"URL":"https:\/\/academic.oup.com\/jas\/advance-article-pdf\/doi\/10.1093\/jas\/skag337\/72124953\/skag337.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T07:38:47Z","timestamp":1792481927000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/jas\/advance-article\/doi\/10.1093\/jas\/skag337\/8943953"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,10,19]]},"references-count":0,"URL":"https:\/\/doi.org\/10.1093\/jas\/skag337","relation":{},"ISSN":["0021-8812","1525-3163"],"issn-type":[{"value":"0021-8812","type":"print"},{"value":"1525-3163","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,10,19]]},"article-number":"skag337"}}