Influence of dietary vitamin E and selenium supplementation on broilers subjected to heat stress, Part I: Growth performance, body composition and intestinal nutrient transporters

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dc.contributor.authorCalik, Alien
dc.contributor.authorEmami, Nima K.en
dc.contributor.authorWhite, Mallory B.en
dc.contributor.authorWalsh, Maria C.en
dc.contributor.authorRomero, Luis F.en
dc.contributor.authorDalloul, Rami A.en
dc.date.accessioned2022-12-13T16:03:20Zen
dc.date.available2022-12-13T16:03:20Zen
dc.date.issued2022-06en
dc.description.abstractHigh ambient temperature is one of the most common stressors in modern poultry production, resulting in reduced feed intake, weight gain, and increased mortality. This study evaluated the effects of vitamin E (Vit E) and organic selenium (Se) supplementation on performance, body composition, core body temperatures, and mRNA abundance of nutrient transporters in the jejunum of broilers exposed to daily 4-h elevated temperature during d 28 to 35. A total of 640 Cobb male birds were randomly allocated to 32 floor pens in a 2 x 2 factorial arrangement that included ambient temperature (thermoneutral, [TN]; or heat stress, [HS]) and dietary treatments (basal diet or Vit E + Se). Four rooms were used (2 TN and 2 HS) each housing half of the 8 replicate pens per group. Vit E and organic Se were added to the basal diet at the rate of 250 mg/kg and 1 mg/kg diet, respectively. Data were subjected to a 2-way ANOVA using the GLM procedure of JMP (SAS). During the HS period, birds fed the Vit E/Se diet had significantly lower mortality compared to nonsupplemented group (1.92% vs. 7.01%). Moreover, dietary Vit E/Se supplementation had a significant effect on performance by increasing BWG, FI, and European production efficiency factor (EPEF) during the entire experimental period (d 0-35). Dietary Vit E and Se supplementation significantly increased carcass, tissue, lean, and fat weights as well as bone mineral content (BMC) and bone mineral density (BMD) on d 35. Birds fed Vit E/Se supplemented diet had significantly lower (P = 0.010) core body temperature compared to birds fed the basal diet on d 30. Dietary treatment did not influence mRNA abundance of PepT1, SGLT1, or NaPi-IIb on d 28 or d 35. However, HS significantly upregulated levels of PepT1 and NaPi-IIb (P < 0.001) and downregulated that of SGLT1 (P = 0.017) on d 28. In conclusion, dietary Vit E and Se supplementation significantly improved broiler growth performance and carcass composition, and reduced heat-related mortality and core body temperature (on d 30) without influencing the mRNA abundance of intestinal nutrient transporters.en
dc.description.notesThis work was supported, in part, by USDA-NIFA Hatch funds to the Virginia Agricultural Experiment Station, Virginia Tech.en
dc.description.sponsorshipUSDA-NIFA Hatch fundsen
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1016/j.psj.2022.101857en
dc.identifier.eissn1525-3171en
dc.identifier.issn0032-5791en
dc.identifier.issue6en
dc.identifier.other101857en
dc.identifier.pmid35461066en
dc.identifier.urihttp://hdl.handle.net/10919/112872en
dc.identifier.volume101en
dc.language.isoenen
dc.publisherElsevieren
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectbroileren
dc.subjectheat stressen
dc.subjectnutrient transporteren
dc.subjectseleniumen
dc.subjectvitamin Een
dc.titleInfluence of dietary vitamin E and selenium supplementation on broilers subjected to heat stress, Part I: Growth performance, body composition and intestinal nutrient transportersen
dc.title.serialPoultry Scienceen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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