{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T12:24:57Z","timestamp":1790684697530,"version":"4.1.0"},"reference-count":33,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2020,1,17]],"date-time":"2020-01-17T00:00:00Z","timestamp":1579219200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"China Agriculture Research System","award":["CARS-42-10"],"award-info":[{"award-number":["CARS-42-10"]}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Animal Physiology Nutrition"],"published-print":{"date-parts":[[2020,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A study was conducted to investigate the effects of oregano essential oil (EO) on growth performance, nutrients utilization, intestinal morphology, intestinal barrier\u2010related gene expression and antioxidant capability in meat ducks. A total of 360 1\u2010day\u2010old ducks were divided into three groups (12 replicates pens per diet of 10 ducks in each pen): negative control (no essential oil or antibiotic), positive control (antibiotic: 500\u00a0mg\/kg aureomycin of diet) and oregano EO (100\u00a0mg\/kg of diet). The experiment was carried out for 35\u00a0days. Ducks were given feed and water ad libitum. Ducks fed EO supplement showed similar body weight and feed to gain ratio to antibiotic fed ducks. EO supplementation significantly increased (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.05) feed intake (day 1\u201335), jejunal villus height (VH) to crypt depth (CD) ratio, serum superoxide dismutase activities (SOD) and jejunal total antioxidant capacity (T\u2010AOC) of ducks compared to controls. Ducks fed diets supplemented with oregano EO also had decreased (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.05) jejunal CD, serum and hepatic malondialdehyde (MDA) concentration, and the mRNA expression of jejunal zonula occludens\u20103 (ZO\u20103) and secretory immunoglobulin A (sIgA) genes in comparison to the control group. Compared to the antibiotic supplementation group, the mRNA expression of claudin1 (CLND1) and CLND2 significantly increased (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.05), but the mRNA expression of ZO\u20103 and mucin 2 markedly decreased (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.05) in the jejunum of ducks in oregano EO supplementation group. These results suggest that oregano EO improves the antioxidant capacity and intestinal defence and structural measures and may aide in helping to maintain enteric health in production without growth\u2010promoting antibiotics.<\/jats:p>","DOI":"10.1111\/jpn.13311","type":"journal-article","created":{"date-parts":[[2020,1,18]],"date-time":"2020-01-18T05:09:25Z","timestamp":1579324165000},"page":"1067-1074","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Dietary supplement of essential oil from oregano affects growth performance, nutrient utilization, intestinal morphology and antioxidant ability in Pekin ducks"],"prefix":"10.1111","volume":"104","author":[{"given":"Xuemei","family":"Ding","sequence":"first","affiliation":[{"name":"Institute of Animal Nutrition Sichuan Agricultural University Chengdu China"},{"name":"Key Laboratory for Animal Disease\u2010Resistance Nutrition of Ministry of Education Ministry of 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