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www.benisonmedia.com  ARTICLE                                               Think Grain Think Feed - Volume 11 | Issue 9 | July 2025  Think Grain Think Feed - Volume 11 | Issue 9 | July 2025  of probiotics, prebiotics, and         www.benisonmedia.com





                                                                                                                                                         inflammation that
                                                                                                                                                                                   postbiotics—ideally
                                                                                                                                                         compromises gut barrier
                                                                                                                                                         integrity (“leaky gut”) in
                                                                                                                                                                                   delivered through next-
                                                                                                                                                         poultry. Subclinical infections
                                                                                                                                                                                   GEH (Gastrointestinal
                                                                                                                                                         with Clostridium further
                                                                                                                                                                                   Environment
                                                                                                                                                         exacerbate epithelial     generation technologies like
                                                                                                                                                         damage, causing villus    Harmonization)—are
                                                                                                                                                         atrophy and apoptosis while   emerging as promising
                                                                                                                                                         increasing tight junction   solutions for ensuring
                                                                                                                                                         permeability—undermining   optimal gut functionality and
                                                                                                                                                         mucosal defenses and      performance under modern
                                                                                                                                                         predisposing flocks to    production pressures.
                                                                                                                                                         secondary bacterial       Understanding Biotics in
                 GUT
                 GUT                                                                                                                                     to standard anticoccidials   Nutrition
                                                                                                                                                         infections. Rising resistance
                                                                                                                                                                                   Livestock and Poultry
                                                                                                                                                         worsens Eimeria-induced
                                                                                                                                                                                   The concept of integrating
                                                                                                                                                         mucosal injury, impairing
                                                                                                                                                         nutrient absorption and   “biotics”—namely prebiotics,
                                                                                                                                                                                   probiotics, postbiotics, and
                                                                                                                                                         causing wet litter issues.   synbiotic—has emerged as a
                 HEALTH
                 HEALTH                                                                                                                                  and management            poultry nutrition. As the
                                                                                                                                                         Moreover, environmental
                                                                                                                                                                                   cornerstone in modern
                                                                                                                                                         stressors—heat,
                                                                                                                                                                                   industry moves away from
                                                                                                                                                         overcrowding, transport,
                                                                                                                                                         feed changes—interfere with   antibiotic dependence due
                                                                                                                                                                                   to rising antimicrobial
                                                                                                                                                         mucin secretion and gut-  resistance, the modulation of
                                                                                                                                                         brain axis signaling,     gut microbiota offers a
                                                                                                                                                         promoting barrier disruption   sustainable and effective
           Harmonizing Poultry Gut Health:                                                                                     environmental stress—can   and dysbiosis. Finally, rapid   alternative for promoting
                                                                                                                                                         batch turnover limits time for
                                                                                                                                                                                   intestinal integrity and
                                                                                                                               impair gut function
                                                                                                                                                         microbial stabilization,
           A Functional Biotic-Based                                                                                           throughout the bird's life.  leading to inconsistent gut   overall productivity.
                                                                                                                                                                                   Each biotic category offers a
                                                                                                                               Feed components such as
                                                                                                                                                         health and heightened cycle-
           Strategy from Concept to Application                                                                                mycotoxins, oxidized fats,   to-cycle vulnerability.  distinct yet complementary
                                                                                                                                                                                   function:
                                                                                                                               and anti-nutritional factors
                                                                                                                                                         These evolving challenges
                                                                                                                                                                                   ·   Prebiotics, such as MOS
                                                                                                                               (e.g., soy agglutinins) induce
           Dr.  Kalyani  Sarode, Optima Life Sciences                                                                                                    highlight the urgent need for   and XOS, are fermentable
                                                                                                                               oxidative stress, alter   advanced, holistic strategies
                                               As the poultry industry continues its   more susceptible to imbalances in gut   microbiota, disrupt tight   focused on intestinal      oligosaccharides that fuel
                                               shift toward sustainable, antibiotic-  microbiota, leading to an increased      junctions and mucin layers,   resilience. Approaches   beneficial microbes.
                                                                                                                                                                                   ·   Probiotics, like Bacillus
                                               free production systems, managing   prevalence of opportunistic pathogens       and initiate low-grade    involving a synergistic blend
                                               gut health is becoming increasingly   and chronic enteric conditions.                                                                  subtilis, Bacillus clausii,
                                               complex. Emerging challenges are   Additionally, early-life gut                 Functional Profile of Key Probiotics in Poultry Gut Health
                                               reshaping how nutritionists,       development is receiving growing                                                      Oxygen
                                               veterinarians, and producers approach   attention. The first 7–10 days post-     Strain           Type                   Requirement      GIT Target   Functional Role
                                               intestinal health.                 hatch represent a critical window for
                                                                                                                                                 Gram+ Spore-forming                                 Produces antimicrobial metabolites,
                                               One of the most critical issues is   microbial colonization, immune              Bacillus subtilis                       Aerobic          Upper GIT
                                                                                                                                                 Bacterium                                           supports gut barrier
                                               microbial dysbiosis and leaky gut   priming, and intestinal
                                                                                                                                                 Gram+ Spore-forming    Facultative                  Modulates immunity, controls loose
                                               diarrhea in the post-antibiotic era.   morphogenesis. Any disruption during      Bacillus clausii                                         Whole GIT
                                               With reduced reliance on antimicrobial   this stage—whether due to poor                           Bacterium              Anaerobe                     droppings
                                               growth promoters, poultry flocks are   brooding, inadequate nutrition, or        Clostridium      Gram+ Spore-forming    Strict Anaerobe   Cecum &    Produces butyrate, combats C.
                                                                                                                                butyricum        Bacterium                               Colon       perfringens

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