Evaluating fiber and stimbiotic supplementation during the transition and lactation periods on litter performance and sow physiology
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[EMBARGOED UNTIL 08/01/2026] In recent decades, the metabolic and physiological demands on the commercial sow have increased substantially as genetic selection has intensified expectations for higher farrowing rates and pigs per sow per year (Rathkölb et al., 2023). Consequently, the sow's nutrient and energy requirements have also increased. One of the most critical phases in meeting these heightened demands is the transition period, spanning approximately 7--10 days before farrowing through 3--5 days post-farrowing (Theil et al., 2022). During this time, sows undergo substantial hormonal, physiological, and metabolic changes, often resulting in reduced feed intake, slowed gut motility, and an increased incidence of constipation (Verghese et al., 2015). These factors elevate the risk of negative energy balance, which can impair colostrum quality, increase farrowing complications, and reduce piglet viability and survival. -- page 1
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M.S.