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March 30, 2026Veterinary and Animal ScienceOpen Access

Dietary supplementation with a multi-strain Bacillus subtilis probiotic improves digestive efficiency, growth performance, and meat quality in densely stocked broilers

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Authors

ZMZamile MahlanguCMCaven Mguvane MnisiVSVictory Osirimade Sumanu

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Overview

Demonstrates the impact of Bacillus subtilis on growth performance and meat quality in broilers, suggesting a viable alternative to antibiotics.

Key Points

  • The aim is to assess the effects of multi-strain Bacillus subtilis on growth performance and meat quality in broiler chickens under high stocking density.
  • Evaluated six dietary treatments with varying levels of Bacillus subtilis in broiler diets.
  • Conducted a completely randomized design with 900 Ross 308 broiler chicks assigned to different groups.
  • Measured growth performance, digestibility, physiological responses, and meat quality traits.
  • Analyzed impacts of incremental probiotic levels on birds' health and growth efficiency.
  • Optimal growth performance was achieved with a 0.5% probiotic inclusion level.
  • Probiotic supplementation improved the digestibility of organic matter, neutral detergent fiber, and gross energy.
  • Haemato-biochemical profiles indicated better physiological health in groups receiving moderate probiotic levels.
  • Minor effects on gut morphology were noted, while carcass yield remained unchanged.

Cite This Study

Mahlangu et al. (2026) studied this question.

synapsesocial.com/papers/69ca12d4883daed6ee0950cbhttps://doi.org/10.1016/j.vas.2026.100637
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Evaluation of dietary Bacillus -based commercial probiotics in broiler chickens2026
  2. 2Effect of a probiotic supplement (Bacillus subtilis) on struggling behavior, immune response, and meat quality of shackled broiler chickens exposed to preslaughter stress2024 · 20 citations
  3. 3Impacts of locally isolated <i>Bacillus subtilis</i> and <i>Bacillus spizizenii</i> on growth performance, carcass traits and intestinal architecture of Ross 308 broiler chickens2026 · 3 citations
  4. 4Effects of a Compound Probiotic on Production Performance, Intestinal Health, Immune Function, and Gut Microbiota in Broiler Chickens2026 · 2 citations
  5. 5Probiotic Administration of Bacillus Subtilis on Growth Performance and Biochemical Parameters in Broilers Chicken2024