| Effects of hydrolysed Saccharomyces cerevisiae yeast and yeast cell wall components on live performance, intestinal histo-morphology and humoral immune response of broilers. | |
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MedLine Citation:
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PMID: 22221235 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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1. The effects of enzymatically hydrolysed whole Saccharomyces cerevisiae yeast (HY) and the pellets of yeast cell wall (YCW) on production traits, the microbiology and histo-morphology of the small intestine, and humoral immune responses against Newcastle disease virus (NDV), of Ross 308 broilers were investigated. 2. The control group received a maize-soyabean meal based basal diet for 42 days. In the treated groups the basal diet was supplemented with 1 g/kg of HY and YCW. There were 8 replicate pens per group (n = 12 birds/pen). 3. HY and YCW supplementation improved live weight (P = 0·006) and FCR (P = 0·003) at 42-d as compared with the control group. 4. In the small intestine, Salmonella spp and Escherichia coli numbers were higher (P = 0·01) in the mucosa and lower (P = 0·01) in the digesta of the HY and the YCW fed groups at 25 d of age. Lactobacillus in the duodenal and jejunal digesta was higher (P < 0·05) in the HY and the YCW fed groups as compared with the control. 5. Following oral challenge with Salmonella pullorum, Escherichia coli and Lactobacillus increased (P < 0·05) in the mucosa and decreased in the digesta (P < 0·05) of the HY and YCW supplemented groups, relative to the control. 6. Supplementation of HY and YCW increased villus height in the jejunum (P = 0·02), width of villus in the ileum (P = 0·034) and number of goblet cells in villi of the jejunum (P = 0·006) and ileum (P = 0·01). 7. YCW increased antibody level against NDV at 21 and 42 d of age compared with the control and the HY supplemented diets (P < 0·05). 8. It was concluded that HY and YCW improved growth and feed efficiency in broilers, and considering the improvements in production traits and humoral immune responses, yeast cell wall may be a better dietary tool than the hydrolysed whole yeast cell as a performance enhancer for broilers. |
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Authors:
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N Muthusamy; S Haldar; T K Ghosh; M R Bedford |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: British poultry science Volume: 52 ISSN: 1466-1799 ISO Abbreviation: Br. Poult. Sci. Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2012-01-06 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 15740290R Medline TA: Br Poult Sci Country: England |
Other Details:
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Languages: eng Pagination: 694-703 Citation Subset: IM |
Affiliation:
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a Department of Animal Nutrition , West Bengal University of Animal & Fishery Sciences , Kolkata 700037 , India. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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