{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T10:16:20Z","timestamp":1791022580234,"version":"4.1.0"},"reference-count":28,"publisher":"Asian Australasian Association of Animal Production Societies","issue":"10","license":[{"start":{"date-parts":[[2020,12,11]],"date-time":"2020-12-11T00:00:00Z","timestamp":1607644800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["31201833"],"award-info":[{"award-number":["31201833"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["31872373"],"award-info":[{"award-number":["31872373"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Open Project of Hubei Key Laboratory of Animal Nutrition and Feed Science","award":["201904"],"award-info":[{"award-number":["201904"]}]}],"content-domain":{"domain":["animbiosci.org"],"crossmark-restriction":true},"short-container-title":["Anim Biosci"],"published-print":{"date-parts":[[2021,10,1]]},"abstract":"<jats:p>Objective: Two experiments were conducted to provide a new approach for evaluating feed nutritional value by metabolizable glucose (MG) in piglet diets with different levels of starch and crude fiber. In Exp 1, a regression equation for MG was generated. In Exp 2, the equation was verified, and the optimal growth performance of piglets under appropriate MG levels was tested.Methods: In Exp 1, 20 weaned piglets (7.74\u00b10.81 kg body weight [BW]) were randomly assigned to 1 of 4 treatments, including the basal diet containing different levels of MG (starch, 25.80%, 31.67%, 45.71%, 49.36%; crude fiber, 1.23%, 1.35%, 1.80%, 1.51%). The piglets were implanted with an ileal fistula, cannulation of the carotid artery, portal vein, and mesenteric artery. The chyme from the ileum fistula and blood samples were collected. In Exp 2, 30 weaned piglets (8.96\u00b10.50 kg BW) were randomly assigned to 1 of 5 treatments, including the experimental diets with different levels of MG (37.6, 132.5, 300.0, 354.3, and 412.5 g\/kg). The piglets\u2019 BW, and feed consumption were recorded to calculate growth performance during the 28-d experiment.Results: In Exp 1, the MG levels in 4 diets were 239.62, 280.68, 400.79, and 454.35 g\/kg. The regression equation for the MG levels and dietary nutrients was: Y (MG) = 12.13\u00d7X1 (starch)+23.18\u00d7X2 (crude fiber)\u2212196.44 (R2 = 0.9989, p = 0.033). In Exp 2, treatments with 132.5 and 300.0 g\/kg MG significantly (p&lt;0.05) increased average daily gain and feed conversion efficiency of weaned piglets, increased digestibility of crude fat, and had no effect on digestibility of crude protein compared to 300.0 to 412.5 g\/kg MG.Conclusion: The pig model combining the ileum fistula and cannulation of blood vessels was successfully used to determine the dietary MG levels. The recommended MG level in weaned pig diets is 132.5 to 300.0 g\/kg.<\/jats:p>","DOI":"10.5713\/ab.20.0459","type":"journal-article","created":{"date-parts":[[2021,1,15]],"date-time":"2021-01-15T07:19:56Z","timestamp":1610695196000},"page":"1643-1652","update-policy":"https:\/\/doi.org\/10.5713\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["A regression for estimating metabolizable glucose in diets of weaned piglets for optimal growth performance"],"prefix":"10.5713","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5250-5148","authenticated-orcid":true,"given":"Liangkang","family":"Lv","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1221-5223","authenticated-orcid":true,"given":"Zhi","family":"Feng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8574-0283","authenticated-orcid":true,"given":"Dandan","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7057-9896","authenticated-orcid":true,"given":"Long","family":"Lei","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8316-1015","authenticated-orcid":true,"given":"Hui","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1754-8887","authenticated-orcid":true,"given":"Zhengya","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3880-1570","authenticated-orcid":true,"given":"Ying","family":"Ren","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9124-0445","authenticated-orcid":true,"given":"Shengjun","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"3683","reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1038\/1951306a0"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1093\/oxfordjournals.jbchem.a128533"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1079\/BJN2003981"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.3390\/ani10020263"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1152\/physrev.1990.70.2.567"},{"key":"ref6","first-page":"402","volume-title":"Theoretical 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