{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T14:36:14Z","timestamp":1790951774466,"version":"4.1.0"},"reference-count":35,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2019,2,21]],"date-time":"2019-02-21T00:00:00Z","timestamp":1550707200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100002467","name":"Dankook University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002467","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Animal Science Journal"],"published-print":{"date-parts":[[2019,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>This experiment was conducted to evaluate the effects of plant extract <jats:styled-content style=\"fixed-case\">YGF<\/jats:styled-content>251 supplementation in different protein level diets on growth performance, nutrient digestibility, blood profiles, fecal microbial shedding, and fecal gas emission in growing pigs. A total of 144 pigs (24.72\u00a0\u00b1\u00a01.54\u00a0kg) were randomly assigned to the treatments in a 2\u00a0\u00d7\u00a03 factorial arrangement of dietary protein levels (15.50%, 14.00% or 12.50%) and plant extract <jats:styled-content style=\"fixed-case\">YGF<\/jats:styled-content>251 levels (0 or 0.05%) with 6 replications per treatment and 4 pigs per pen. Pigs fed low protein diets had reduced average daily gain (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05) and increased feed conversion ratio (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.01) compared with pigs fed high protein diets. The apparent total tract digestibility of nitrogen was decreased (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05) when reducing dietary protein level. Fecal ammonia and hydrogen sulfide emissions were reduced (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05) when reducing dietary protein level. In conclusion, the results of the current study indicated that reducing dietary protein level impaired growth performance and nitrogen digestibility but reduced ammonia and hydrogen sulfide emissions in growing pigs. Dietary supplementation with 0.05% herbal extract <jats:styled-content style=\"fixed-case\">YGF<\/jats:styled-content>251 was not effective in improving growth performance, nutrient digestibility, or in decreasing gas emission in different protein diets.<\/jats:p>","DOI":"10.1111\/asj.13162","type":"journal-article","created":{"date-parts":[[2019,2,22]],"date-time":"2019-02-22T05:29:54Z","timestamp":1550813394000},"page":"547-553","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Effects of different levels of dietary protein with or without plant extract <scp>YGF<\/scp>251 on growth performance, nutrient digestibility, blood profiles, fecal microbial shedding, and fecal gas emission in growing pigs"],"prefix":"10.1111","volume":"90","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7348-9239","authenticated-orcid":false,"given":"Xin Jian","family":"Lei","sequence":"first","affiliation":[{"name":"College of Animal Science and Technology Northwest A&amp;F University  Yangling Shaanxi P. 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China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0019-1834","authenticated-orcid":false,"given":"Sang In","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Animal Resource and Science Dankook University  Cheonan Chungnam South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"In Ho","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Animal Resource and Science Dankook University  Cheonan Chungnam South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,2,21]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.5713\/ajas.14.0914"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tim.2012.11.001"},{"key":"e_1_2_6_4_1","volume-title":"Official methods of analysis","author":"AOAC","year":"2007"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.2134\/jeq1975.00472425000400030017x"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.17221\/7681-VETMED"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.2527\/jas.2006-076"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijantimicag.2016.08.006"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0301-6226(98)00156-0"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anifeedsci.2010.08.009"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.5713\/ajas.2004.250"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.2527\/jas.2007-0105"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.2527\/2003.81123075x"},{"key":"e_1_2_6_14_1","first-page":"403","article-title":"Effects of YGF251 on secretion of IGF\u2010I in human blood","volume":"17","author":"Kim J. 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