Effect of rearing temperature on physiological measures and antioxidant status of broiler chickens fed stevia (Stevia rebaudiana B.) leaf meal and exogenous xylanase

Abdulla, 2016, Exogenous tannase improves feeding value of a diet containing field beans (Vicia faba) when fed to broilers, Brit. Poult. Sci., 57, 246, 10.1080/00071668.2016.1143551 Abdulla, 2017, Feeding value of field beans (Vicia faba L. var. minor) with and without enzyme containing tannase, pectinase and xylanase activities for broilers, Arch. Anim. Nutr., 71, 150, 10.1080/1745039X.2017.1283823 AOAC, 2000 Atteh, 2008, Evalution of supplementary stevia (Stevia rebaudiana, Bertoni) leaves and stevioside in broiler diets: effects on feed intake, nutrient metabolism, blood parameters and growth performance, J. Anim. Physiol. Anim. Nutr., 92, 640, 10.1111/j.1439-0396.2007.00760.x Bautil, 2019, Age-related arabinoxylan hydrolysis and fermentation in the gastrointestinal tract of broiler fed wheat-based diets, Poult. Sci., 98, 4606, 10.3382/ps/pez159 Bedford, 2018, The evolution and application of enzymes in the animal feed industry: the role of data interpretation, Brit. Poult. Sci., 59, 486, 10.1080/00071668.2018.1484074 Bancroft, 2008 Bonnet, 1997, Effect of high ambient temperature on feed digestibility in broilers, Poult. Sci., 76, 857, 10.1093/ps/76.6.857 Den Besten, 2013, The role of short-chain fatty acids in the interplay between diet, gut microbiota, and host energy metabolism, J. Lipid Res., 54, 2325, 10.1194/jlr.R036012 Englyst, 1994, Determination of dietary fibre as non-starch polysaccharides with gas–liquid chromatographic, high-performance liquid chromatographic or spectrophotometric measurement of constituent sugars, Analyst, 119, 1497, 10.1039/AN9941901497 Geuns, 2008, Steviol glucuronide as excretion product of stevioside in human volunteers: Lack of carcinogenic properties of steviol glycosides and steviol, 573 Geuns, 2003, Metabolism of stevioside by chickens, J. Agric. Food Chem., 51, 1095, 10.1021/jf020835o Habashy, 2017, Effect of heat stress on protein utilization and nutrient transporters in meat-type chickens, Int. J. Biometeorol., 61, 2111, 10.1007/s00484-017-1414-1 IPCC (Intergovernmental Panel on Climate Change. Accessed 1 July 2020. https://www.ipcc.ch/2018/01/11/media-reports-onthe-draft-ipcc-special-report-on-global-warming-of-1-5c/. Jørgensen, 1996, The influence of dietary fibre source and level on the development of the gastrointestinal tract, digestibility and energy metabolism in broiler chickens, Brit. J. Nutr., 75, 379, 10.1079/BJN19960141 Karadas, 2014, Dietary essential oils improve the hepatic anti-oxidative status of broiler chickens, Brit. Poult. Sci., 55, 329, 10.1080/00071668.2014.891098 Lee, 2017, Age and dietary xylanase supplementation affects ileal sugar residues and short chain fatty acid concentration in the ileum and caecum of broiler chickens, Anim. Feed. Sci. Tech., 234, 29, 10.1016/j.anifeedsci.2017.07.017 Misra, 2011, Antidiabetic activity of medium-polar extract from the leaves of Stevia rebaudiana Bert. (Bertoni) on alloxan-induced diabetic rats, J. Pharm. Bioallied Sci., 3, 242, 10.4103/0975-7406.80779 Nettleton, 2019, Low-dose stevia (Rebaudioside A) consumption perturbs gut microbiota and the mesolimbic dopamine reward system, Nutrients, 11, 1248, 10.3390/nu11061248 Paglia, 1967, Studies on the quantitative and qualitative characterization of erythrocyte glutathione peroxidase, J. Lab. Clin. Med., 70, 158 Pirgozliev, 2010, Effect of dietary xylanase on energy, amino acid and mineral metabolism, and egg production and quality in laying hens, Brit. Poult. Sci., 51, 639, 10.1080/00071668.2010.514325 Pirgozliev, 2015, Partitioning of dietary energy of chickens fed maize-or wheat-based diets with and without a commercial blend of phytogenic feed additives, J. Anim. Sci., 93, 1695, 10.2527/jas.2014-8175 Pirgozliev, 2015, Dietary xylanase increases hepatic vitamin E concentration of chickens fed wheat based diet, J. Anim. Feed. Sci., 24, 80, 10.22358/jafs/65656/2015 Pirgozliev, V., Karadas, K., Karakeçili, M., Rose, S.P., Whiting, I.M., Shewry, P.R., Lovegrove, A., Pellny, T., Amerah, A., 2016. Effects of wheat pentosane content on hepatic antioxidants in growing broilers. In: Burton, E., Gatcliffe, J., O’Neill, H.M., Scholey, D. (Eds.), Sustainable poultry production in Europe. CABI, Wallingford, UK. 10.1079/9781780645308.0000. Pirgozliev, 2019, Dietary essential oils improve feed efficiency and hepatic antioxidant content of broiler chickens, Animal, 13, 502, 10.1017/S1751731118001520 Pirgozliev, 2019, Feed additives in poultry nutrition, Bul. J. Agric. Sci., 25, 8 Pirgozliev, 2020, Feeding dihydroquercetin and vitamin E to broiler chickens reared at standard and high ambient temperatures, Arch. Anim. Nutr., 74, 496, 10.1080/1745039X.2020.1820807 Quinteiro-Filho, 2010, Heat stress impairs performance parameters, induces intestinal injury, and decreases macrophage activity in broiler chickens, Poult. Sci., 89, 1905, 10.3382/ps.2010-00812 Santos, 2015, Quantitative histo-morphometric analysis of heat-stress-related damage in the small intestines of broiler chickens, Avian Pathol., 44, 19, 10.1080/03079457.2014.988122 Song, 2014, Effect of a probiotic mixture on intestinal microflora, morphology, and barrier integrity of broilers subjected to heat stress, Poult. Sci., 93, 581, 10.3382/ps.2013-03455 Stoyanova, 2011, The food additives inulin and stevioside counteract oxidative stress, Int. J. Food Sci. Nutr., 62, 207, 10.3109/09637486.2010.523416 Van Keulen, 1977, Evaluation of acid-insoluble ash as a natural marker in ruminant digestibility studies, J. Anim. Sci., 44, 282, 10.2527/jas1977.442282x Wood, 1996, The effect of stevia as feed sweetener on weight gain and feed consumption of broiler chickens, Can. J. Anim. Sci., 76, 267, 10.4141/cjas96-040 Woods, 2020, The effect of feeding different sources and levels of selenium on growth performance and antioxidant status of broilers raised at two different temperatures, Brit. Poult. Sci., 61, 669, 10.1080/00071668.2020.1782350 Woods, 2021, The effect of selenium source on the oxidative status and performance of broilers reared at standard and high ambient temperatures, Brit. Poult. Sci., 62, 235, 10.1080/00071668.2020.1824292 Yang, 2020, Effect of age on the relationship between metabolizable energy and digestible energy for broiler chickens, Poult. Sci., 99, 320, 10.3382/ps/pez495