What does this research mean for the field?

Phytase supplementation at 1166-1266 FTU/kg in Japanese quail diets compensates for a 10% reduction in dietary calcium and phosphorus, optimizing feed conversion and maximizing egg production. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the efficacy of phytase supplementation across diets with reduced nutrient matrices on the productive performance, egg quality, and bone integrity of laying Japanese quail.

August 29, 2026Poultry science and management.Open Access

Use of phytase in Japanese quail (Coturnix japonica) diets as a strategy for improving nutrient utilization and sustainability

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To evaluate the efficacy of phytase supplementation across diets with reduced nutrient matrices on the productive performance, egg quality, and bone integrity of laying Japanese quail.
A total of 588 laying Japanese quail were evaluated using a completely randomized design in a 3 × 4 factorial arrangement.
Dietary treatments combined three nutritional reduction matrices (0%, 5%, and 10% reductions in calcium, phosphorus, energy, and amino acids) with four phytase doses (0, 500, 1000, and 1500 FTU/kg).
Evaluated endpoints included feed intake, feed conversion ratio, egg production, egg mass, egg quality parameters (albumen percentage, shell thickness, Haugh unit), and bone strength.
Dietary nutrient reductions impaired egg production and egg mass, but phytase supplementation counteracted these deficits and improved zootechnical performance.
In diets formulated with a 10% reduction in calcium and phosphorus, phytase at approximately 1166 FTU/kg optimized feed conversion, while approximately 1266 FTU/kg maximized egg production.
Enzyme supplementation supported lower inclusion rates of inorganic mineral sources, reducing feed formulation costs and mitigating environmental phosphorus and calcium excretion.

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Implication

Randomized trial demonstrates that dietary phytase restores egg production and feed efficiency during nutrient reduction in laying Japanese quail, suggesting enhanced economic and ecological...

Cite This Study

Costa et al. (2026) studied this question.

synapsesocial.com/papers/6a92997e8e5d7d1fc0c116ef https://doi.org/10.1186/s44364-026-00040-7

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Implication

Randomized trial demonstrates that dietary phytase restores egg production and feed efficiency during nutrient reduction in laying Japanese quail, suggesting enhanced economic and ecological...

Use of phytase in Japanese quail (Coturnix japonica) diets as a strategy for improving nutrient utilization and sustainability

Key Points

Discussion

Implication

Cite This Study

Use of phytase in Japanese quail (Coturnix japonica) diets as a strategy for improving nutrient utilization and sustainability

Key Points

Discussion

Implication

Cite This Study

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