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Microbiota responses to feed particle size, calcium concentration, and phytase supplementation in broiler chickens

Rubio-Cervantes I, Wolfrum S, Siegert W, Rodehutscord M, Camarinha-Silva A 2026 Poultry science

Abstract

This research aimed to investigate the modulation of broiler-chickens gut microbiota by dietary particle size (PS), exogenous phytase, and calcium (Ca) concentration. Eight experimental diets varied in PS (fine 222 µm (PF) and coarse 309 µm (PC)), Ca concentration (4.9 and 7.2 g/kg), and exogenous phytase (0 and 1000…

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Studied ingredients

Species involved

Broiler

Keywords

PhytaseCalciumMicrobiotaParticle size

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