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In E1, four sheep and four goats were offered low\u2010quality hay (NDFom: 692\u2009g\/kg dry matter [DM]), processed to two chop lengths (long hay [LH]: 35\u2009mm; short hay [SH]: 7\u2009mm) in a 2\u2009\u00d7\u20092 factorial (2 species\u2009\u00d7\u20092 chop lengths), cross\u2010over design. In E2, the same animals were offered moderate\u2010quality hay (NDFom: 636\u2009g\/kg DM) processed as LH and SH. Hay was offered for ad libitum consumption. Feeding and rumination behaviour was evaluated using video recordings. Aspects of rumination like chewing frequency were evaluated for 30\u2009min per day. Faecal samples were analysed for faecal\u2010N and particle size. There was no species effect on feed intake and organic matter digestibility (faecal N as proxy); however, goats consumed more LH than SH in E1 and E2. There was an effect of species on rumination:eating duration (R:E) ratio (higher in sheep) in E1 but not in E2, where there was a tendency for a species effect on rumination duration. In E1 and E2, sheep had a higher R:E ratio for SH than for LH. For rumination behaviour, there was a species effect for number of daily boli, chewing frequency and chews per day (more in sheep) in E1 and E2. No effect of species was found for faecal particle size. Despite much concordance, feed comminution behaviour differed in some aspects between sheep and goats. In an evolutionary context, a shift of significance of rumination could be triggered by a higher amount of abrasives in natural diets of sheep, rendering a shift of chewing towards ruminally prewashed material a rewarding strategy.<\/jats:p>","DOI":"10.1111\/jpn.13928","type":"journal-article","created":{"date-parts":[[2024,1,23]],"date-time":"2024-01-23T10:08:53Z","timestamp":1706004533000},"page":"700-710","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Comparative study of feeding and rumination behaviour of goats and sheep fed mixed grass hay of different chop length"],"prefix":"10.1111","volume":"108","author":[{"given":"Birthe","family":"Krone","sequence":"first","affiliation":[{"name":"Department of Animal Sciences University of Goettingen Goettingen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8876-7745","authenticated-orcid":false,"given":"J\u00fcrgen","family":"Hummel","sequence":"additional","affiliation":[{"name":"Department of Animal Sciences University of Goettingen Goettingen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander","family":"Riek","sequence":"additional","affiliation":[{"name":"Institute of Animal Welfare and Animal Husbandry Friedrich\u2010Loeffler Institut Celle Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3841-6207","authenticated-orcid":false,"given":"Marcus","family":"Clauss","sequence":"additional","affiliation":[{"name":"Clinic for Zoo Animals, Exotic Pets and Wildlife University of Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"H\u00fcnerberg","sequence":"additional","affiliation":[{"name":"Department of Animal Sciences University of Goettingen Goettingen Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,1,23]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0301-6226(00)00173-1"},{"key":"e_1_2_10_3_1","volume-title":"The nutrition of goats","author":"AFRC","year":"1998"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1079\/9781845933487.0147"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1079\/9781845930639.0241"},{"key":"e_1_2_10_6_1","volume-title":"Schaf\u2010 und Ziegenf\u00fctterung","author":"Bellof S.","year":"2019"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.2307\/3809405"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/0921-4488(88)90044-2"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1080\/17450396609421432"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1038\/nrn3475"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-540-72422-3_3"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-030-25865-8_4"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1079\/BJN19910096"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1017\/S002185960007903X"},{"key":"e_1_2_10_15_1","first-page":"759","volume-title":"Nutrition des ruminants domestiques","author":"Dulphy J. 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