{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T05:31:32Z","timestamp":1769059892379,"version":"3.49.0"},"reference-count":21,"publisher":"Cambridge University Press (CUP)","issue":"4","license":[{"start":{"date-parts":[[2007,3,9]],"date-time":"2007-03-09T00:00:00Z","timestamp":1173398400000},"content-version":"unspecified","delay-in-days":3811,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Br J Nutr"],"published-print":{"date-parts":[[1996,10]]},"abstract":"<jats:p>Two experiments were conducted to determine apparent ileal DM and crude-protein (CP) digesibilities in rations fed to pigs. An evaluation was made of Cr<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> and HCl-insoluble ash as digestive markers. In addition, the effects of body weight (BW) on apparent ileal DM and CP (N x 6.25) digestibilities were studied. In Expt 1, thirteen barrows averaging 35 kg BW were fitted with post-valve T-caecum (PVTC) cannulas to determine the apparent ileal DM and CP digestibilities of a wheat gluten-bran ration (B2) and a soyabean-meal ration (E1). Immediately after morning feeding ileal digesta samples were collected on an hourly basis for a total of 12 h. Subsequently, N and marker contents were determined in the samples. The postprandial patterns of N and Cr passage were more similar than those of N and HCl-insoluble ash. Therefore Cr<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> is more suitable as a marker than HCl-insolube ash. The apparent ileal CP digestibility coefficient of ration B2 derived using Cr<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> as a marker was significantly (<jats:italic>P<\/jats:italic> &gt; 0.05) higher by 0.018 compared with the value obtained using HCl-insoluble ash. The corresponding values for ration E2 obtained using Cr<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> and HCl-insoluble ash were both 0.825. In Expt 2, apparent ileal DM and CP digestibilities were determined in eighteen rations using twelve barrows also fitted with PVTC cannulas (BW from 40 to 100 kg). The protein sources for these rations were from different groups of feedstuffs. In four and three of the rations apparent ileal DM and CP digestibilities respectively were significantly different (<jats:italic>P<\/jats:italic> &lt; 0.05) when assessed using the two markers. The digestibility coefficients were not systematically higher or lower for either marker. Absolute differences were &lt; 0.049 on average. Significant effects of live weight on apparent ileal CP digestibilities were found.<\/jats:p>","DOI":"10.1079\/bjn19960062","type":"journal-article","created":{"date-parts":[[2005,6,11]],"date-time":"2005-06-11T14:09:04Z","timestamp":1118498944000},"page":"551-562","source":"Crossref","is-referenced-by-count":41,"title":["Apparent ileal dry matter and crude protein digestibility of rations fed to pigs and determined with the use of chromic oxide (Cr<sub>2<\/sub>O<sub>3<\/sub>) and acid-insoluble ash as digestive markers"],"prefix":"10.1017","volume":"76","author":[{"given":"P.","family":"Van Leeuwen","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"Veldman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Boisen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K.","family":"Deuring","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G. J. M.","family":"Van Kempen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G. B.","family":"Derksen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. W. A.","family":"Verstegen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G.","family":"Schaafsma","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2007,3,9]]},"reference":[{"key":"S0007114596001651_ref014","volume-title":"Users Manual GENSTAT 5","author":"Payne","year":"1994"},{"key":"S0007114596001651_ref010","first-page":"283","volume-title":"Proceedings of the VIth International Symposium on Digestive Physiology in Pigs","author":"Malbert","year":"1994"},{"key":"S0007114596001651_ref019","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0396.1991.tb00256.x"},{"key":"S0007114596001651_ref011","doi-asserted-by":"publisher","DOI":"10.1079\/BJN19570045"},{"key":"S0007114596001651_ref017","doi-asserted-by":"publisher","DOI":"10.1016\/0301-6226(93)90057-O"},{"key":"S0007114596001651_ref005","volume-title":"Determination of Crude Fat Content","year":"1984"},{"key":"S0007114596001651_ref020","first-page":"110","volume-title":"Recent Advances Of Research in Antinutritional Factors in Legume Seeds","author":"van Oort","year":"1989"},{"key":"S0007114596001651_ref021","first-page":"817","article-title":"Anwendung der HCl-unl\u00f6slichen Asche als Indicator zur bestimmung der N\u00e4hrstoff- eischlie\u00dflich Aminos\u00e4urenverdaulichkeit am Ende des D\u00fcnndarms und des Gesamtverdauungstraktes beim Schwein (Application of the HCl-insoluble ash as an indicator for the determination of nutrient, including amino acid, digestibility at the end of the small intestine and the whole digestive tract of pigs)","volume":"12","author":"W\u00fcnsche","year":"1984","journal-title":"Archives of Animal Nutrition"},{"key":"S0007114596001651_ref002","doi-asserted-by":"publisher","DOI":"10.1002\/jsfa.2740640116"},{"key":"S0007114596001651_ref003","volume-title":"Determination of Alkaloid Content in Lupin Seed","year":"1971"},{"key":"S0007114596001651_ref013","unstructured":"Netherlands Normalization Institute (1988). Standards of the Netherlands Normalization Institute no. 5417. Determination of Crude Fibre Contents in Feedstuffs, Delft: Netherlands Normalization Institute."},{"key":"S0007114596001651_ref001","unstructured":"Besluit Aanwijzing Gevaarlijke Afvalstoffen (1993). Staatsblad, 617, 25\/11\/1993. 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Version 5.0 Base","year":"1992"},{"key":"S0007114596001651_ref009","doi-asserted-by":"publisher","DOI":"10.4141\/cjas74-016"},{"key":"S0007114596001651_ref007","first-page":"325","volume-title":"Proceedings of the Vth International Symposium on Digestive Physiology in Pigs","author":"Jongbloed","year":"1991"},{"key":"S0007114596001651_ref004","volume-title":"Environment, Nuclear Safety and Civil Protection. Commission of the European Communities Publication no. 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