Effects of Bacillus subtilis, butyrate, mannan-oligosaccharide, and naked oat (ß-glucans) on growth performance, serum parameters, and gut health of broiler chickens

ABSTRACT: Four nonantibiotic alternative growth promoters for broiler chickens were evaluated. Ross 308 chicks were fed a control diet (mainly corn and soybean meal) or a diet supplemented with a probiotic (Bacillus subtilis Gallipro DSM 17299), encapsulated butyric acid (Novyrate C), mannan-oligosa...

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Autores principales:	A. Rouissi, A.R. Alfonso-Avila, F. Guay, M. Boulianne, M.P. Létourneau-Montminy
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	broilers antibiotic alternative to antibiotic growth promoters growth performance gut health Animal culture SF1-1100
Acceso en línea:	https://doaj.org/article/7c8d4f8cbac54b1cb4e8cc4893902f8d
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spelling	oai:doaj.org-article:7c8d4f8cbac54b1cb4e8cc4893902f8d2021-11-24T04:22:46ZEffects of Bacillus subtilis, butyrate, mannan-oligosaccharide, and naked oat (ß-glucans) on growth performance, serum parameters, and gut health of broiler chickens0032-579110.1016/j.psj.2021.101506https://doaj.org/article/7c8d4f8cbac54b1cb4e8cc4893902f8d2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0032579121005289https://doaj.org/toc/0032-5791ABSTRACT: Four nonantibiotic alternative growth promoters for broiler chickens were evaluated. Ross 308 chicks were fed a control diet (mainly corn and soybean meal) or a diet supplemented with a probiotic (Bacillus subtilis Gallipro DSM 17299), encapsulated butyric acid (Novyrate C), mannan-oligosaccharide (Actigen MOS) or formulated with 20% naked oat (starter diet) and 30% naked oat (grower and finisher). The study was carried out as a complete random blocked design with 10 pens for each diet, 45 birds per pen. Compared to the control, the naked oat diet improved the average daily gain by 16% during the starter phase (up to d 10). The probiotic did so during the grower phase as did butyric acid in the finisher phase (up to d 34). For the experiment overall, the probiotic decreased average daily gain slightly. The best improvement in feed conversion ratio was obtained in the butyrate group (5%). No significant treatment effect on crop pH or on mortality was observed. The naked oat diet gave a slightly lower cecum pH on d 34. The MOS supplement decreased jejunal mass on d 34 and increased villus length (34%) and villus height/crypt depth ratio (32%) measured on d 10. Naked oat, butyric acid and MOS diets all reduced serum endotoxin levels. The probiotic increased serum C-reactive protein. All noncontrol diets reduced serum malondialdehyde. The naked oat diet reduced d 34 litter pH by about 0.3. Some effects of the proposed non-antibiotic growth promoters have been observed and could contribute to livestock performance. Their exact modes of action remained to be defined.A. RouissiA.R. Alfonso-AvilaF. GuayM. BoulianneM.P. Létourneau-MontminyElsevierarticlebroilersantibioticalternative to antibiotic growth promotersgrowth performancegut healthAnimal cultureSF1-1100ENPoultry Science, Vol 100, Iss 12, Pp 101506- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	broilers antibiotic alternative to antibiotic growth promoters growth performance gut health Animal culture SF1-1100
spellingShingle	broilers antibiotic alternative to antibiotic growth promoters growth performance gut health Animal culture SF1-1100 A. Rouissi A.R. Alfonso-Avila F. Guay M. Boulianne M.P. Létourneau-Montminy Effects of Bacillus subtilis, butyrate, mannan-oligosaccharide, and naked oat (ß-glucans) on growth performance, serum parameters, and gut health of broiler chickens
description	ABSTRACT: Four nonantibiotic alternative growth promoters for broiler chickens were evaluated. Ross 308 chicks were fed a control diet (mainly corn and soybean meal) or a diet supplemented with a probiotic (Bacillus subtilis Gallipro DSM 17299), encapsulated butyric acid (Novyrate C), mannan-oligosaccharide (Actigen MOS) or formulated with 20% naked oat (starter diet) and 30% naked oat (grower and finisher). The study was carried out as a complete random blocked design with 10 pens for each diet, 45 birds per pen. Compared to the control, the naked oat diet improved the average daily gain by 16% during the starter phase (up to d 10). The probiotic did so during the grower phase as did butyric acid in the finisher phase (up to d 34). For the experiment overall, the probiotic decreased average daily gain slightly. The best improvement in feed conversion ratio was obtained in the butyrate group (5%). No significant treatment effect on crop pH or on mortality was observed. The naked oat diet gave a slightly lower cecum pH on d 34. The MOS supplement decreased jejunal mass on d 34 and increased villus length (34%) and villus height/crypt depth ratio (32%) measured on d 10. Naked oat, butyric acid and MOS diets all reduced serum endotoxin levels. The probiotic increased serum C-reactive protein. All noncontrol diets reduced serum malondialdehyde. The naked oat diet reduced d 34 litter pH by about 0.3. Some effects of the proposed non-antibiotic growth promoters have been observed and could contribute to livestock performance. Their exact modes of action remained to be defined.
format	article
author	A. Rouissi A.R. Alfonso-Avila F. Guay M. Boulianne M.P. Létourneau-Montminy
author_facet	A. Rouissi A.R. Alfonso-Avila F. Guay M. Boulianne M.P. Létourneau-Montminy
author_sort	A. Rouissi
title	Effects of Bacillus subtilis, butyrate, mannan-oligosaccharide, and naked oat (ß-glucans) on growth performance, serum parameters, and gut health of broiler chickens
title_short	Effects of Bacillus subtilis, butyrate, mannan-oligosaccharide, and naked oat (ß-glucans) on growth performance, serum parameters, and gut health of broiler chickens
title_full	Effects of Bacillus subtilis, butyrate, mannan-oligosaccharide, and naked oat (ß-glucans) on growth performance, serum parameters, and gut health of broiler chickens
title_fullStr	Effects of Bacillus subtilis, butyrate, mannan-oligosaccharide, and naked oat (ß-glucans) on growth performance, serum parameters, and gut health of broiler chickens
title_full_unstemmed	Effects of Bacillus subtilis, butyrate, mannan-oligosaccharide, and naked oat (ß-glucans) on growth performance, serum parameters, and gut health of broiler chickens
title_sort	effects of bacillus subtilis, butyrate, mannan-oligosaccharide, and naked oat (ß-glucans) on growth performance, serum parameters, and gut health of broiler chickens
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/7c8d4f8cbac54b1cb4e8cc4893902f8d
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Effects of Bacillus subtilis, butyrate, mannan-oligosaccharide, and naked oat (ß-glucans) on growth performance, serum parameters, and gut health of broiler chickens

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