Heat stress (HS) has become a major concern for the poultry industry in many countries. HS impacts gut health by causing damaged mucosal microstructures, increased oxidative stress, weakened immunity, and heightened permeability to toxins and poultry pathogens. We investigated the potential benefits to broiler chickens subjected to HS of dietary supplementation with Bacillus subtilis 14823.
View Article and Find Full Text PDFBackground: Decolonisation is considered a valuable means to reduce Staphylococcus aureus infection rates. However, previous topical strategies targeting the nose or skin had little success, and oral antibiotic-based decolonisation is ill advised because of eradication of the microbiota and development of antibiotic resistance. We previously showed that the probiotic Bacillus subtilis significantly diminished S aureus at the main intestinal colonisation site via specific bacterial interaction in mice; in this study, we tested this probiotic approach to control S aureus colonisation in humans.
View Article and Find Full Text PDFPolysaccharides from the red seaweed Gracilaria fisheri possess many functions, which include antioxidant, antiviral, and antibacterial activities. However, detailed data on their immunomodulatory activities are scarce. Here, we isolated sulfated galactans (SG) from G.
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