Feed & Additive Magazine Issue 22 November 2022

ISSUE FOCUS 60 FEED & ADDITIVE MAGAZINE November 2022 “Studies have shown that Bacillus coagulans can improve protein digestion, modulate and balance the intestinal microbiota, and stimulate the immune system. This can support performance through improved feed conversion, a strengthened immune defense and intestinal barrier function, and a stable, balanced microbial mix. Efficient animal production is highly dependent on the overall well-being of animals, including intestinal health. Gut health is a complex topic that combines nutrition, microbiology, and immunology and is the foundation of performance and profitability. Indeed, when gut health is compromised, digestion and nutrient absorption are affected, which has a detrimental effect on feed conversion leading to economic loss and greater susceptibility to disease. The efficient conversion of feed into its basic components for optimal nutrient absorption is vital for both broiler and broiler breeder production and welfare. The genetic progress in broiler breeding has resulted in documented changes in growth rate, carcass morphology, and feed efficiency such that modern broiler chickens have substantially greater growth rates, carcass yield, and feed efficiency than the birds from yesteryear (Carney et al., 2022). This improvement in performance comes at a price, however, as for broiler breeders, impaired reproductive efficiency has been associated with increasing broiler performance. Moreover, broiler hens have a propensity to suffer similar underlying health problems as do their offspring—namely obesity and lameness. To counter this, feed restriction has been necessary for broiler breeders during the rearing and laying periods to maximize productivity and reproductive efficiency and to reduce obesity-related disorders. However, this feeding scheme results in relatively long periods of fasting, resulting in negative impacts on both health and welfare. The reduction of nutrients in the intestinal tract alters the intestinal microbiota, changes the physicochemical properties of the intestinal digesta and disturbs the balance of the intestinal ecosystem (Hinton et al., 2000; Thompson et al., 2008). Indeed, feed restriction can result in performance-impairing intestinal disorders, inflammation, morphological changes, changes in gene expression, and alterations in the intestinal microbiota composition. Antibiotic growth promotors have historically been used to maintain performance; however, their use has been banned in many regions. As such, other methods have been explored to keep performance in their proBENEFITS OF BACILLUS COAGULANS DSM 32016 SUPPLEMENTATION ON PERFORMANCE IN BROILERS Dr. Lydia Zeibich R&D Application Manager Biochem – Feed Safety for Food Safety

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