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Influence of dietary supplementation of autolyzed whole yeast and yeast cell wall products on broiler chickens

OBJECTIVE: This study evaluated the effect of yeast products on growth performance, visceral organ weights, endogenous enzyme activities, ileal nutrient digestibility and meat yield of broiler chickens fed diets containing autolyzed whole yeast (WY) and yeast cell walls (YCW) at varying levels of in...

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Autores principales: Ahiwe, Emmanuel Uchenna, Abdallh, Medani Eldow, Chang’a, Edwin Peter, Omede, Apeh Akwu, Al-Qahtani, Mohammed, Gausi, Harriet, Graham, Hadden, Iji, Paul Ade
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Asian-Australasian Association of Animal Production Societies (AAAP) and Korean Society of Animal Science and Technology (KSAST) 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7054603/
https://www.ncbi.nlm.nih.gov/pubmed/31480191
http://dx.doi.org/10.5713/ajas.19.0220
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author Ahiwe, Emmanuel Uchenna
Abdallh, Medani Eldow
Chang’a, Edwin Peter
Omede, Apeh Akwu
Al-Qahtani, Mohammed
Gausi, Harriet
Graham, Hadden
Iji, Paul Ade
author_facet Ahiwe, Emmanuel Uchenna
Abdallh, Medani Eldow
Chang’a, Edwin Peter
Omede, Apeh Akwu
Al-Qahtani, Mohammed
Gausi, Harriet
Graham, Hadden
Iji, Paul Ade
author_sort Ahiwe, Emmanuel Uchenna
collection PubMed
description OBJECTIVE: This study evaluated the effect of yeast products on growth performance, visceral organ weights, endogenous enzyme activities, ileal nutrient digestibility and meat yield of broiler chickens fed diets containing autolyzed whole yeast (WY) and yeast cell walls (YCW) at varying levels of inclusion. METHODS: Nine dietary treatments consisting of WY or YCW included at 0.5, 1.0, 1.5, or 2.0 g/kg diet and a control diet without yeast supplementation was used in the experiment. Each of the nine treatments was replicated six times with nine birds per replicate. Birds were housed in cages, in climate-controlled rooms and fed starter, grower and finisher diets. RESULTS: There was an improvement (p<0.05) in body weight gain and feed conversion ratio on d 10, 24, and 35 for birds fed 1.0 to 2.0 g/kg WY or YCW diet. Small intestine weight was heavier on d 10 and 24 for birds on higher levels of WY and YCW compared to the control group. On d 10 and 24, there was a significant increase (p<0.05) in tissue protein content and pancreatic enzyme activities (trypsin and chymotrypsin) of birds on 1.5 to 2.0 g/kg WY and YCW diets compared to the control group. Compared to the control group, birds on WY (2.0 g/kg diet) and YCW (at 1.5 and 2.0 g/kg diet) had better (p<0.05) protein digestibility on d 24. On d 35, there was significant improvement (p<0.05) in percentage of carcass, absolute and relative breast weight for broiler chickens fed WY and YCW mostly at 2 g/kg diet compared to birds on the control diet. CONCLUSION: Supplementation of diets with autolyzed WY and YCW products especially at 1.5 to 2.0 g/kg diet improved broiler chicken performance and meat yield through their positive effects on ileal protein digestibility and pancreatic enzyme activities.
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spelling pubmed-70546032020-04-01 Influence of dietary supplementation of autolyzed whole yeast and yeast cell wall products on broiler chickens Ahiwe, Emmanuel Uchenna Abdallh, Medani Eldow Chang’a, Edwin Peter Omede, Apeh Akwu Al-Qahtani, Mohammed Gausi, Harriet Graham, Hadden Iji, Paul Ade Asian-Australas J Anim Sci Article OBJECTIVE: This study evaluated the effect of yeast products on growth performance, visceral organ weights, endogenous enzyme activities, ileal nutrient digestibility and meat yield of broiler chickens fed diets containing autolyzed whole yeast (WY) and yeast cell walls (YCW) at varying levels of inclusion. METHODS: Nine dietary treatments consisting of WY or YCW included at 0.5, 1.0, 1.5, or 2.0 g/kg diet and a control diet without yeast supplementation was used in the experiment. Each of the nine treatments was replicated six times with nine birds per replicate. Birds were housed in cages, in climate-controlled rooms and fed starter, grower and finisher diets. RESULTS: There was an improvement (p<0.05) in body weight gain and feed conversion ratio on d 10, 24, and 35 for birds fed 1.0 to 2.0 g/kg WY or YCW diet. Small intestine weight was heavier on d 10 and 24 for birds on higher levels of WY and YCW compared to the control group. On d 10 and 24, there was a significant increase (p<0.05) in tissue protein content and pancreatic enzyme activities (trypsin and chymotrypsin) of birds on 1.5 to 2.0 g/kg WY and YCW diets compared to the control group. Compared to the control group, birds on WY (2.0 g/kg diet) and YCW (at 1.5 and 2.0 g/kg diet) had better (p<0.05) protein digestibility on d 24. On d 35, there was significant improvement (p<0.05) in percentage of carcass, absolute and relative breast weight for broiler chickens fed WY and YCW mostly at 2 g/kg diet compared to birds on the control diet. CONCLUSION: Supplementation of diets with autolyzed WY and YCW products especially at 1.5 to 2.0 g/kg diet improved broiler chicken performance and meat yield through their positive effects on ileal protein digestibility and pancreatic enzyme activities. Asian-Australasian Association of Animal Production Societies (AAAP) and Korean Society of Animal Science and Technology (KSAST) 2020-04 2019-07-01 /pmc/articles/PMC7054603/ /pubmed/31480191 http://dx.doi.org/10.5713/ajas.19.0220 Text en Copyright © 2020 by Asian-Australasian Journal of Animal Sciences This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Article
Ahiwe, Emmanuel Uchenna
Abdallh, Medani Eldow
Chang’a, Edwin Peter
Omede, Apeh Akwu
Al-Qahtani, Mohammed
Gausi, Harriet
Graham, Hadden
Iji, Paul Ade
Influence of dietary supplementation of autolyzed whole yeast and yeast cell wall products on broiler chickens
title Influence of dietary supplementation of autolyzed whole yeast and yeast cell wall products on broiler chickens
title_full Influence of dietary supplementation of autolyzed whole yeast and yeast cell wall products on broiler chickens
title_fullStr Influence of dietary supplementation of autolyzed whole yeast and yeast cell wall products on broiler chickens
title_full_unstemmed Influence of dietary supplementation of autolyzed whole yeast and yeast cell wall products on broiler chickens
title_short Influence of dietary supplementation of autolyzed whole yeast and yeast cell wall products on broiler chickens
title_sort influence of dietary supplementation of autolyzed whole yeast and yeast cell wall products on broiler chickens
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7054603/
https://www.ncbi.nlm.nih.gov/pubmed/31480191
http://dx.doi.org/10.5713/ajas.19.0220
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