Screening of largemouth bass-derived Bacillus subtilis and synergistic regulation of growth performance, intestinal health, and resistance against Edwardsiella piscicida infection
YB-4 and YB-15 are promising autochthonous probiotic candidates that simultaneously promote growth, maintain intestinal homeostasis and defend against E. piscicida infection, providing targeted strain-based strategies to reduce antibiotic reliance in largemouth bass intensive aquaculture.
Antibiotic use in marine ornamental fish farming has raised concerns about resistance and tissue damage, motivating the search for safe probiotic alternatives. In this study, three Bacillus strains—B. subtilis (BS), B. megaterium (BM), and B. velezensis (BV)—that were isolated from healthy clownfish intestines were eva...
Qin-Yu Lv, Tao Li, Yan Liu et al.· Fishes· 0 citations
Bacterial infections represent a major constraint to largemouth bass (Micropterus salmoides) aquaculture; safe and sustainable alternatives to conventional antibiotics are needed. This study aimed to screen, characterize, and evaluate host-derived intestinal probiotics from healthy largemouth bass for bacterial disease...
Jie Yu, Qun Lu, Qian-Qian Ma et al.· Microorganisms· 0 citations
Edwardsiella piscicida is an important intracellular pathogen in finfish aquaculture. During a mortality episode in farmed largemouth bass (Micropterus salmoides) in Foshan, South China, we isolated a virulent E. piscicida strain (B202203044) from diseased liver and characterized its pathogenicity, stress tolerance and...
Wen-Wen Liu, Feng-Xia Zhao, Wen-Chao Wu et al.· Journal of Fish Biology· 0 citations
This study investigated the functional potential and safety of postbiotics derived from Latilactobacillus curvatus NBL2305 as a dietary feed additive for juvenile black rockfish (Sebastes schlegelii). Fish were fed diets supplemented with NBL2305-derived postbiotics, and their effects on growth performance, immune resp...
Su-Jeong Lee, Young-Sun Lee, Yu-Ri Kim et al.· Journal of Animal Science an...· 0 citations
Introduction Bacterial infection seriously restricts the healthy culture of Monopterus albus. Scutellaria baicalensis extract (SBE) is a natural plant‑derived additive with antioxidant and anti‑inflammatory properties. This study aimed to evaluate the effects of dietary SBE supplementation on growth performance, intest...
Ying-Bing Su, Yi-Nuo Gong, Jia-Li Liu et al.· Frontiers in Microbiology· 0 citations
Spore-forming Bacillus probiotics are widely used in aquaculture, but host-associated strains from Siamese fighting fish (Betta splendens Regan) remain uncharacterized. Ten Bacillus isolates were recovered from the gastrointestinal tract of farmed B. splendens by heat selection and were identified by biochemical testin...
Vasana Jinatham, Kritsakorn Saninjuk, Benjarat Suwannawong et al.· The Scientist· 0 citations
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