Gut health continues to be one of the most important topics in animal nutrition. Over the past several years, our understanding of the gut microbiota has advanced significantly, driving the development and evaluation of a wide range of nutritional tools designed to support microbial balance and improve animal performance.
As a result, concepts such as prebiotics, probiotics, and more recently, postbiotics, have become increasingly important in both research and the development of modern nutritional strategies.
The Gut Microbiota: An Ecosystem with Multiple Functions
The digestive tract is home to a complex community of microorganisms that plays an active role in digestion, nutrient utilization, and immune function.
When this ecosystem remains balanced, the microbiota produces compounds such as short-chain fatty acids—including acetate, propionate, and butyrate—which help maintain the integrity of the intestinal lining while creating a less favorable environment for potentially harmful microorganisms.
A growing body of research suggests that a stable microbiota can improve feed efficiency, support intestinal health, and contribute to greater resilience when animals face health challenges.
New Tools, One Common Goal
For decades, antibiotic growth promoters were widely used as part of intestinal health management programs. However, regulatory changes and growing concerns about antimicrobial resistance have encouraged the development of new nutritional alternatives.
Probiotics were among the first solutions to gain widespread adoption. By supplying live microorganisms, they aim to support microbial balance and compete with potentially pathogenic bacteria.
Alongside probiotics, other approaches—including prebiotics and postbiotics—have also attracted growing attention within animal nutrition research. Although they work through different mechanisms, they share a common objective: supporting gut microbial balance and promoting intestinal health.
The Growing Interest in Postbiotics
Among the nutritional tools gaining increasing attention are postbiotics.
According to the International Scientific Association for Probiotics and Prebiotics (ISAPP), a postbiotic is a preparation of inactivated microorganisms and/or their components that provides a health benefit to the host.
One of their defining characteristics is that they do not rely on live microorganisms to exert their effects. This offers advantages such as improved stability during feed processing and greater consistency under different production conditions.
Postbiotics may contain short-chain fatty acids, amino acids, vitamins, peptides, and other metabolites naturally produced during controlled fermentation processes.
A Category on the Rise
The growing interest in postbiotics reflects a broader trend in animal nutrition: the search for solutions that combine scientific support, technological stability, and ease of integration into feeding programs.
Within this context, fermentation-derived ingredients such as FermNutral® represent this new generation of nutritional tools. Produced through the controlled fermentation of Clostridium butyricum, they align with the industry’s increasing focus on consistent and reliable strategies to support gut health.
A Conversation That Continues to Evolve
Gut health has become one of the cornerstones of modern animal production.
As our understanding of the gut microbiota continues to grow, so does the range of nutritional tools available to support intestinal balance. In this evolving landscape, prebiotics, probiotics, and postbiotics are all part of the same conversation, offering complementary approaches to address today’s production challenges.
Rather than replacing one another, these technologies are increasingly viewed as complementary strategies that can help build more efficient, resilient, and sustainable production systems.
References
- International Scientific Association for Probiotics and Prebiotics (ISAPP). The ISAPP Consensus Statement on Postbiotics.
- Gut Microbes. Reviews on gut microbiota and short-chain fatty acid production.
- Recent scientific reviews on probiotics and postbiotics in poultry nutrition and animal production (2024–2025).

