ISSUE FOCUS FEED & ADDITIVE MAGAZINE January 2024 29 Figure 3. Changes to the expression of certain metabolites inform the production of acid in the gut. Kriaa, A., V. Mariaule, A. Jablaoui, S. Rhimi, H. Mkaouar, J. Hernandez, B. Korkmaz, A. Lesner, E. Maguin, A. Aghdassi, M. Rhimi. 2022. Bile acids: key players in inflammatory bowel diseases? Cells 11(5), 901 About Yvonne van der Horst Yvonne van der Horst holds a Master’s degree in Animal Sciences from Wageningen University in The Netherlands. After working in a commercial position in the Animal behaviour sector, Yvonne acquired the position of technical manager Feed in the organic acids industry. In 2013 she moved to Selko Feed Additives in the position of technical manager Preservation and Health being responsible for technical support of the organic acid based portfolio. In 2016 she became responsible for the Presan portfolio as the Global product manager. About Tetske Hulshof Tetske Hulshof holds a Master’s degree and a PhD in Animal Sciences from Wageningen University in the Netherlands. After finalizing her PhD, Hulshof started working as Swine Researcher in the R&D department of Trouw Nutrition in 2016. She has worked on several projects related to swine nutrition and health, thereby, supporting current and new commercial solutions. Tetske Hulshof has a strong scientific focus on gastrointestinal development of piglets starting from birth to the end of the nursery. However, changes in these areas were found during the data analysis. The alterations noted between the supplemented and control-group piglets were not surprising as the movement makes sense given past behavior of the feed additive used. The mode of action findings indicate that the blended feed additive can support piglet gut health, development and maturation in antibiotic-free production systems. CONCLUSION Piglets continue to face multiple challenges and stressors around weaning, which can lead to reduced performance and negative side effects including diarrhea. Restrictions have continued to curb the types of ingredients, such as antibiotics and high levels of some minerals, that farmers can use to address these concerns and mitigate instances of diarrhea. However, feed additive blends can be an economically viable alternative as the combination of ingredients supports gut maturation helping maintain gut health and piglet growth and development. Understanding the pathways influenced by the ingredients helps verify usage-based results and informs precision of use.
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