Feeding Bacillus-based probiotics to gestating and lactating sows is an efficient method for improving immunity, gut functional status and biofilm formation by probiotic bacteria in piglets at weaning

作者：Paweł Konieczka, Karolina Ferenc, J. N. Jørgensen, Lea Hübertz Birch Hansen, R. Zabielski, J Olszewski, Zdzisław Gajewski, Magdalena Mazur-Kuśnirek, Dominika Szkopek, Natalia Szyryńska, Krzysztof Lipiński · 发表于：Animal nutrition · 年份：2023 · DOI：10.1016/j.aninu.2023.03.003 · 被引用次数：42 · 研究领域：Animal Nutrition and Physiology、Animal Behavior and Welfare Studies、Gut microbiota and health

The effects of dietary probiotic supplementation with viable Bacillus subtilis and Bacillus amyloliquefaciens spores on sow performance, immunity, gut functional status and biofilm formation by probiotic bacteria in piglets at weaning were investigated. Ninety-six sows reared in a continuous farrowing system for one full cycle were fed gestation diets during the first 90 d of pregnancy and lactation diets until the end of lactation. The sows were fed a basal diet without probiotics (control; n = 48) or a diet supplemented with viable spores (1.1 × 109 CFU/kg of feed) (probiotic; n = 48). At 7 d of age, sucking piglets (n = 12/group) were provided prestarter creep feed until weaning at 28 d of age. The piglets in the probiotic group were supplemented with the same probiotic and dosage as their dams. Blood and colostrum collected from sows and ileal tissues collected from piglets on the day of weaning were used for analyses. Probiotics increased the weight of piglets (P = 0.077), improved the weaning weight (P = 0.039) and increased both the total creep feed consumption (P = 0.027) and litter gain (P = 0.011). Probiotics also improved the faecal score in the second (P = 0.013) week of life. The immunoglobulin G (IgG) concentrations in sow blood at farrowing and the IgM concentrations in piglet blood at weaning were higher in the probiotic group than in the control group (P = 0.046). The piglets from the probiotic-treated sows showed a higher IgM concentration in the ileal mucos...