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In Trial 1, the apparent metabolisable energy (AME) and apparent total tract retention (ATTR) of corn's nitrogen (N), dry matter (DM), calcium (Ca) and total phosphorus (TP) were determined. In Trial 2, a completely randomised design with a 4\u00a0\u00d7\u00a02 factorial arrangement was used to assess the effects of processing temperatures (unprocessed or processed at 55\u00b0C, 70\u00b0C and 85\u00b0C) and enzyme supplementation (0 or 0.5\u00a0g\/kg diet). A total of 480 25\u2010day\u2010old Ross 308 broilers were assigned to 48 experimental units with 8 treatments, 6 replicates and 10 chicks each.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Heat processing at 85\u00b0C significantly increased the AME value of corn compared to unprocessed corn or corn processed at 55\u00b0C (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.05). Additionally, processing at 55\u00b0C improved Ca digestibility compared to unprocessed corn (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.05). Neither processing nor enzyme supplementation significantly affected the AMEn value or ATTR of crude protein (CP), DM or TP during Days 26\u201228. Broilers fed diets with corn conditioned at 55\u00b0C or 70\u00b0C, both groups without enzyme supplementation, showed the lowest feed conversion ratio (FCR) (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.05). Villi height was greater in broilers receiving processed corn compared to those consuming unprocessed corn (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.05). Conditioning corn at 55\u00b0C resulted in a lower ileal\n                      <jats:italic>Clostridium<\/jats:italic>\n                      count at 42 d.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      Conditioning of corn at 55\u00b0C without enzyme supplementation in mash diets improved Ca utilisation, FCR and jejunal villus height while decreasing the ileal\n                      <jats:italic>Clostridium<\/jats:italic>\n                      count in broiler chicks.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/vms3.70320","type":"journal-article","created":{"date-parts":[[2025,5,19]],"date-time":"2025-05-19T07:21:39Z","timestamp":1747639299000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Effect of Heat\u2010Processed Corn and a Carbohydrase Enzyme in Mash Diets on Nutrient Digestibility, Growth Performance and Ileal Microbial Count in Broiler Chicks During Finisher Period"],"prefix":"10.1002","volume":"11","author":[{"given":"Mohsen","family":"Teymouri","sequence":"first","affiliation":[{"name":"Department of Animal Science, Faculty of Agriculture Ferdowsi University of Mashhad  Mashhad Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hosna","family":"Hajati","sequence":"additional","affiliation":[{"name":"Agricultural Research, Education, and Extension Organization (AREEO) Animal Science Research Institute of Iran  Karaj Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8601-7983","authenticated-orcid":false,"given":"Ahmad","family":"Hassanabadi","sequence":"additional","affiliation":[{"name":"Department of Animal Science, Faculty of Agriculture Ferdowsi University of Mashhad  Mashhad Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abolghasem","family":"Golian","sequence":"additional","affiliation":[{"name":"Department of Animal Science, Faculty of Agriculture Ferdowsi University of Mashhad  Mashhad Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,5,19]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anifeedsci.2012.10.011"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anifeedsci.2011.03.014"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anifeedsci.2010.08.017"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.psj.2020.06.056"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.3390\/ani12202809"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.3390\/ani12091094"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anifeedsci.2013.01.002"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.1093\/ps\/86.2.331"},{"key":"e_1_2_11_10_1","volume-title":"Official Methods of Analysis","author":"AOAC","year":"2005"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1080\/00071668.2017.1409422"},{"key":"e_1_2_11_12_1","unstructured":"Aviagen.2014.Ross 308 Broilers Nutrition Specifications.Aviagen Group."},{"key":"e_1_2_11_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.lwt.2018.09.023"},{"key":"e_1_2_11_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anifeedsci.2011.12.018"},{"key":"e_1_2_11_15_1","doi-asserted-by":"publisher","DOI":"10.3382\/ps.2013-03763"},{"key":"e_1_2_11_16_1","doi-asserted-by":"publisher","DOI":"10.3382\/ps.2013-03563"},{"key":"e_1_2_11_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anifeedsci.2013.01.004"},{"key":"e_1_2_11_18_1","doi-asserted-by":"publisher","DOI":"10.1080\/00071668.2016.1214682"},{"key":"e_1_2_11_19_1","doi-asserted-by":"publisher","DOI":"10.1080\/00071660500392506"},{"key":"e_1_2_11_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anifeedsci.2020.114481"},{"key":"e_1_2_11_21_1","doi-asserted-by":"publisher","DOI":"10.1590\/1678-4162-10345"},{"key":"e_1_2_11_22_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.aninu.2017.02.001"},{"key":"e_1_2_11_23_1","doi-asserted-by":"publisher","DOI":"10.1093\/ps\/78.1.96"},{"key":"e_1_2_11_24_1","unstructured":"FASS.2010.Guide for the Care and Use of Agricultural Animals in Agricultural Research and Teaching Third ed. 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