Author

A. Calderano

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Open access Oct 2026

Breeder age outweighs egg grading method on hatchability and chick quality in broiler hatcheries

Incubation efficiency and chick health are fundamentally linked to fertile egg quality, which is influenced by both grading methods and breeder age. This study evaluated the effects of manual versus automated grading and Cobb breeder age (28–42, 43–56, and 57–70 weeks) on hatchability, chick quality, and embryonic mort...

Jumara Coelho Ticiano, Roberto Carlos de Freitas, L. M. Fonseca et al. · Tropical Animal Health and P... · 0 citations

Open access Aug 2026

Effects of Amazonian oils on the jejunal microbiota and performance of Japanese quail (Coturnix coturnix japonica)

Regulatory restrictions on the use of antimicrobial growth promoters in poultry production have intensified the search for natural alternatives capable of sustaining productive performance and intestinal health in birds. This study assessed the effects of supplementation with pracaxi (Pentaclethra macroloba) and tucumã...

D. Costa, F. Monteiro, Gabriela Hernandes Cangianelli et al. · Scientific Reports · 0 citations