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dc.creatorRibeiro, Jéssica C. das D.-
dc.creatorDrumond, Mariana M.-
dc.creatorMancha-Agresti, Pamela-
dc.creatorGuimarães, João P. F.-
dc.creatorFerreira, Daiane da C.-
dc.creatorMartins, Maria I. A.-
dc.creatorMurata, Pedro M. de M.-
dc.creatorCarvalho, Andressa C. de-
dc.creatorPereira, Raquel T.-
dc.creatorRibeiro Júnior, Valdir-
dc.creatorAzevedo, Vasco A. de C.-
dc.creatorNaves, Luciana de P.-
dc.date.accessioned2022-10-31T14:08:23Z-
dc.date.available2022-10-31T14:08:23Z-
dc.date.issued2022-09-06-
dc.identifier.citationRIBEIRO, J. C. das D. et al. Diets supplemented with probiotics improve the performance of broilers exposed to heat stress from 15 days of age. Probiotics and Antimicrobial Proteins, [S.l.], p. 1-15, Sept. 2022. DOI: 10.1007/s12602-022-09989-3.pt_BR
dc.identifier.urihttps://link.springer.com/article/10.1007/s12602-022-09989-3pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/55365-
dc.description.abstractThe poultry sector demands alternative additives to antibiotics that can be used as performance enhancers. Therefore, this experiment was conducted to evaluate the probiotics effects on performance, intestinal health, and redox status of 720 broilers exposed to heat stress from 15 days of age. Eight dietary treatments were evaluated: basal diet (BD) without antibiotic and probiotic (T1); BD supplemented with antibiotic zinc bacitracin (T2), BD supplemented with commercial probiotic of Bacillus subtilis DSM 17,299 (T3), BD supplemented with non-commercial probiotic of Lactococcus lactis NCDO 2118, Lactobacillus delbrueckii CNRZ 327, Escherichia coli CEC15, or Saccharomyces boulardii (T4 to T7), and BD simultaneously supplemented with the four non-commercial probiotics (T8). Feed intake, weight gain, and feed conversion were determined in the period from 1 to 42 days of age. Carcass and cuts yield, abdominal fat deposition, cloacal temperature, weight and length of intestine, activity of myeloperoxidase and eosinophilic peroxidase enzymes in the jejunum, jejunal histomorphometry, relative gene expression in the jejunum (occludin, zonulin, interleukin-8, cholecystokinin, ghrelin, and heat shock protein-70), and liver (heat shock protein-70), in addition to malondialdehyde level and superoxide dismutase activity in the intestine, liver, and blood, were measured in broilers at 42 days old. As main results, broilers fed T1 diet exhibited lower weight gain (3.222 kg) and worse feed conversion (1.70 kg/kg). However, diets containing non-commercial probiotics resulted in up to 3.584 kg of weight gain and improved feed conversion by up to 10%, similar to that observed for broilers of the T2 and T3 groups.pt_BR
dc.languageen_USpt_BR
dc.publisherSpringerpt_BR
dc.rightsrestrictAccesspt_BR
dc.sourceProbiotics and Antimicrobial Proteinspt_BR
dc.subjectFeed additivept_BR
dc.subjectFunctional nutritionpt_BR
dc.subjectIntestinal healthpt_BR
dc.subjectPoultrypt_BR
dc.subjectRedox statuspt_BR
dc.titleDiets supplemented with probiotics improve the performance of broilers exposed to heat stress from 15 days of agept_BR
dc.typeArtigopt_BR
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