Meta-analysis of the effects of available phosphorus levels and phytase on eggshell quality parameters in laying hens: influence of dose, enzyme origin, and nutritional reduction.

Poult Sci · 2026 · PMC13314895 · PMID 42330762

Europe PMC DOI

hedged sentences

0.0010

closest p · 0.0× alpha

0.0810

boldest claim

The sentences

highly significantp < 0.001actually significant

In the contrast between the Positive Control and the Negative Control, a highly significant difference was observed among P-diff levels (p < 0.001), indicating that shell resistance to nutritional challenge varies according to the severity of phosphorus deficiency.

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did not reach statistical significancep = 0.081so close (0.05 < p ≤ 0.1)

Phytase), a trend toward a higher SWP was observed in the phytase groups; however, this difference did not reach statistical significance (MD = 0.05; 95% CI: −0.01 to 0.10; p = 0.081), as shown in Fig. 4 .

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