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The KP group started adaptation to KP 3\u00a0weeks before calving; after calving, they were fed a total mixed ration for 12\u2009weeks, wherein 18% Timothy hay was replaced with KP. The dry matter intake, body weight, and milk yield and composition were similar in the control and KP groups. The average daily rumen pH was higher with KP feeding, and the average daily ruminal temperature remained lower at 16\u2009days after calving (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05). The concentration of volatile fatty acids remained unaltered, the molar proportion of acetic acid decreased, and the molar proportion of propionic acid increased, indicating a low acetic acid:propionic acid ratio (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05). Lipopolysaccharide activity in the rumen fluid was higher in the KP group (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05); however, the rumen microbiota were unaffected. The digestibility of dry matter and neutral detergent fiber increased 12\u2009weeks after calving, whereas excretion of urinary nitrogen decreased (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05). Partial replacement of roughage with KP did not suppress rumen fermentation and maintained postpartum productivity.<\/jats:p>","DOI":"10.1111\/asj.13726","type":"journal-article","created":{"date-parts":[[2022,4,26]],"date-time":"2022-04-26T09:43:13Z","timestamp":1650966193000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Effects of wood kraft pulp as a partial replacement for roughage on rumen fermentation and productivity in dairy cows"],"prefix":"10.1111","volume":"93","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0237-997X","authenticated-orcid":false,"given":"Hiroshi","family":"Yamamoto","sequence":"first","affiliation":[{"name":"Livestock Experiment Station Ishikawa Prefectural Agricultural and Forestry Research Center  Ishikawa Japan"},{"name":"School of Life and Environmental Sciences Tsukuba University  Tsukuba Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasuhiro","family":"Shimizu","sequence":"additional","affiliation":[{"name":"Toyama Prefectural Agricultural, Forestry, and Fisheries Research Center  Toyama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshiya","family":"Hasunuma","sequence":"additional","affiliation":[{"name":"Toyama Prefectural Agricultural, Forestry, and Fisheries Research Center  Toyama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Noriyoshi","family":"Manabe","sequence":"additional","affiliation":[{"name":"Gifu Prefectural Livestock Research Institute  Ena Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryo","family":"Osawa","sequence":"additional","affiliation":[{"name":"Saitama Agricultural Technology Research Center  Kumagaya Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenji","family":"Kawashima","sequence":"additional","affiliation":[{"name":"Chiba Prefectural Livestock Research Center  Yachimata Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoji","family":"Fukui","sequence":"additional","affiliation":[{"name":"Chiba Prefectural Livestock Research Center  Yachimata Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yutaka","family":"Ueno","sequence":"additional","affiliation":[{"name":"Faculty of Agriculture Shinshu University  Minamiminowa Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazuhiro","family":"Kurosu","sequence":"additional","affiliation":[{"name":"Nippon Paper Industries Co. 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