Phytase modulates ileal microbiota and enhances growth performance of the broiler chickens

PloS One
A PtakD Józefiak

Abstract

Phytase is well studied and explored, however, little is known about its effects on the microbial ecology of the gastrointestinal tract. In total, 400 one-day-old female Ross 308 chicks were randomly distributed to four experimental groups. The dietary treatments were arranged as a 2 × 2 complete factorial design, with the factors being adequate (PC) or insufficient calcium (Ca) and digestible phosphor (dP)(NC) and with or without 5000 phytase units (FTU)/kg of Escherichia coli 6-phytase. The gastrointestinal tract pH values, ileal microbial communities and short-chain fatty acid concentrations in the digesta were determined. The reduction in Ca and dP concentration significantly affected pH in the crop and caeca, and addition of phytase to the NC resulted in a pH increase in the ileum. The reduction in Ca and dP concentration significantly lowered, while phytase supplementation increased ileal total bacterial counts. Additionally, the deficient diet reduced butyrate- but increased lactate-producing bacteria. The addition of phytase increased Lactobacillus sp./Enterococcus sp. whereas in case of Clostridium leptum subgroup, Clostridium coccoides-Eubacterium rectale cluster, Bifidobacterium sp. and Streptococcus/Lactococcus coun...Continue Reading

References

Feb 1, 1988·The Journal of Nutrition·M Durand, S Komisarczuk
May 2, 2000·Applied and Environmental Microbiology·A SghirJ Dore
Jan 7, 2004·Journal of Agricultural and Food Chemistry·Nada M Tamim, Roselina Angel
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Feb 26, 2013·Poultry Science·C L WalkA P McElroy
Mar 29, 2014·Animal : an International Journal of Animal Bioscience·D JózefiakO Højberg

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Citations

Dec 15, 2015·Frontiers in Veterinary Science·Paul Wigley
May 23, 2020·Animals : an Open Access Journal From MDPI·Daniel Borda-MolinaAmélia Camarinha-Silva
Jan 10, 2017·Frontiers in Microbiology·Daniel Borda-MolinaAmélia Camarinha-Silva

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