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Altered eating behaviour may be implicated in changes of feed intake in ruminants. Therefore, the present study investigated the influence of menthol-rich PBLC on circadian eating behaviour in 24 growing sheep that were equally divided into three treatments, control (without PBLC), a lower dose (80\u2009mg\/d) or a higher dose (160\u2009mg\/d) of PBLC. Daily doses of PBLC were supplied with 600\u2009g\/d of concentrates fed in three equal portions at 07:00, 11:00 and 15:00\u2009h for 4\u2009weeks, whereas, meadow hay was fed ad libitum.<\/jats:p>\n              <\/jats:sec>\n              <jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The eating behaviour recorded by an automatic transponder-operated feeding system revealed that daily eating time and feeder visits increased with increasing doses of PBLC. The circadian distribution of eating time and feeder visits (with 1-h resolution) was influenced by the treatment. Eating time during concentrate-offering hours and between concentrate-offering hours increased or tended to increase linearly with greater concentrations of PBLC. Feeder visits did not change significantly during concentrate-offering hours, but were greater in the PBLC groups compared with the control between concentrate-feeding hours. Average length of the longest meals (5th percentile) decreased due to PBLC feeding. Daily feed intake was greater in the PBLC groups than the control.<\/jats:p>\n              <\/jats:sec>\n              <jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>Menthol-rich PBLC in the applied dose range stimulate circadian eating behaviour, which cannot only be attributed to their presence during concentrate feeding hours, but persist during post-concentrate feeding hours.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12917-019-2109-0","type":"journal-article","created":{"date-parts":[[2019,10,21]],"date-time":"2019-10-21T15:21:33Z","timestamp":1571671293000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Dietary supplementation of menthol-rich bioactive lipid compounds alters circadian eating behaviour of sheep"],"prefix":"10.1186","volume":"15","author":[{"given":"Amlan K.","family":"Patra","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sebastian","family":"Geiger","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hannah-Sophie","family":"Braun","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5080-1007","authenticated-orcid":false,"given":"J\u00f6rg R.","family":"Aschenbach","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2019,10,21]]},"reference":[{"key":"2109_CR1","doi-asserted-by":"publisher","first-page":"20140083","DOI":"10.1098\/rstb.2014.0083","volume":"B370","author":"M Woolhouse","year":"2015","unstructured":"Woolhouse M, Ward M, van Bunnik B, Farrar J. 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