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. 2020 Oct 20;10(10):1926. doi: 10.3390/ani10101926

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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The fecal bacterial composition in pigs fed with low-protein diets supplemented with a corn-expressed phytase. (A) the relative abundance of bacterial community composition at phylum level, (B) the relative abundance of bacterial community composition at genus level. Pigs are grouped based on their dietary treatments: PC (positive control): normal protein, adequate Ca and available phosphorous (aP), no corn-expressed phytase (CEP) added; NC (negative control): low protein, adequate Ca and aP, no CEP added; LD: NC + CEP added at low dose, i.e., 2000 FTU/kg of diet; HD: NC + CEP added at high dose, i.e., 4000 FTU/kg of diet; LDR: LD with reduced calcium (Ca) and phosphorus (P); HDR: HD with reduced Ca and P. Only the top 10 phyla and genera are shown for clarity. n = 6 for each dietary group.