The potential of in-ovo probiotics to replace antibiotic growth promoters in broiler diets: Effect on performance, meat quality, cecal fermentation and oxidative stress indicators.
Clinical evidence update from Poultry science
Clinical Context
Peer-reviewed veterinary literature continues to shape everyday decision-making for production animal practice, especially when new evidence clarifies diagnosis, treatment selection, monitoring, or clinical outcomes.
What the Study Evaluated
A study published in Poultry science in 2026 evaluated the potential of in-ovo probiotics to replace antibiotic growth promoters in broiler diets: Effect on performance, meat quality, cecal fermentation and oxidative stress indicators..
Key Findings
This study evaluated whether selected probiotic strains administered in-ovo could achieve performance and physiological outcomes comparable to those obtained with in-feed antibiotic growth promoters in broiler chickens. A preliminary in-ovo screening trial was conducted to identify probiotic strains and doses that did not negatively affect hatch performance. Based on this trial, two probiotic combinations were selected for an animal trial: a two-strain mixture (Prob1: Bacillus subtilis and Enterococcus faecium) and a four-strain mixture (Prob2: E. faecium, Pediococcus acidilactici, Bifidobacterium animalis, and Lactobacillus reuteri), both...
Why It Matters for Veterinary Professionals
For veterinary professionals, the practical value of this work lies in how the findings may support more structured clinical assessment, clearer monitoring, and more informed decisions for production animal practice.
Practical Interpretation
The results should be interpreted in the context of the study design, population, inclusion criteria, and clinical setting. Application in practice should consider patient-specific risk factors, available diagnostics, local standards of care, and clinician judgment.
Clinical Takeaway
Overall, the study adds useful evidence for clinicians seeking to align daily practice with current veterinary research while maintaining a balanced, case-by-case approach.
Read the full article here.
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