Aquaculture, Journal Year: 2024, Volume and Issue: 586, P. 740804 - 740804
Published: March 11, 2024
Language: Английский
Ciência Animal Brasileira, Journal Year: 2025, Volume and Issue: 26
Published: Jan. 1, 2025
Resumo O objetivo dessa pesquisa foi avaliar o potencial fitobiótico dos óleos de Copaifera langsdorffii (copaíba), Carapa guianensis (andiroba), Attalea speciosa (babaçu), Mauritia flexuosa (buriti) e Caryocar brasiliense (pequi), além dois tipos extrato aquoso Terminalia catappa (amendoeira), como alternativas ao uso antibióticos com princípios ativos em enrofloxacino ou oxitetraciclina na piscicultura continental. Para isso, foram selecionados cinco patógenos espécie-específicos elevada ocorrência disseminação sistemas produção piscícola virulência das cepas avaliado por meio testes Gram, catalase atividade hemolítica, seguido teste halo inibição para os potenciais fitobióticos. Todas as selecionadas apresentaram in vitro prosseguiram a avaliação inibição, qual mensuradas zonas inibitórias produtos testados, analisar seus efeitos bactericida bacteriostáticos. Dos avaliados, apenas A. não apresentou inibitório frente aos analisados, já C. brasiliense, M. flexuosa, guianensis, quente T. efeito bactericida, resultados superiores (P > 0,05) comparação controle positivo oxitetraciclina. Os mostraram-se competitivos princípio ativo oxitetraciclina, demonstrando ação antibactericida contra Aeromonas hydrophila, cavie, jandaei Streptococcus agalactiae.
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Ciência Animal Brasileira, Journal Year: 2025, Volume and Issue: 26
Published: Jan. 1, 2025
Abstract The aim of this study was to evaluate the phytobiotic potential oils from Copaifera langsdorffii (copaiba), Carapa guianensis (andiroba), Attalea speciosa (babassu), Mauritia flexuosa (buriti), and Caryocar brasiliense (pequi), as well two types aqueous extracts Terminalia catappa (tropical almond), alternatives antibiotics containing enrofloxacin or oxytetracycline active ingredients in continental aquaculture. Five species-specific pathogens with high prevalence dissemination fish farming systems were selected for study. virulence strains assessed using Gram staining, catalase, hemolytic activity tests, followed by inhibition halo assays potential. All exhibited vitro subjected evaluations, where inhibitory zones tested products measured, along their bactericidal bacteriostatic effects. Among evaluated products, only A. did not exhibit an against analyzed pathogens. Conversely, C. brasiliense, M. flexuosa, guianensis, langsdorffii, hot extract T. demonstrated effects, yielding superior results (P > 0.05) compared positive control oxytetracycline. proved be competitive ingredients, showing antibacterial action Aeromonas hydrophila, caviae, jandaei, Streptococcus agalactiae.
Language: Английский
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Fisheries & Aquatic Life, Journal Year: 2025, Volume and Issue: 33(1), P. 1 - 18
Published: March 1, 2025
Abstract Bacterial diseases such as motile Aeromonas septicemia are major constraints on aquaculture. This study evaluated the efficacy of oral oxolinic acid (OA) therapy at 12 mg kg biomass −1 day for seven days to treat veronii -Av-F ( AV ) infection in Oreochromis niloticus . The lethal dose 50% mortality was determined be 1.81 ×10 8 cells fish Following intramuscular 2.47 × 10 , OA treatment significantly reduced and accelerated wound healing. caused notable changes biochemical, hematological parameters, erythrocyte morphology, histopathological damage liver kidney tissues. However, facilitated normalizing these parameters more rapidly than untreated fish, including morphology alterations. highlights effectiveness treating O. niloticus. available evidence cautions against its overuse violations regulations because critical importance human medicine.
Language: Английский
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Biology, Journal Year: 2025, Volume and Issue: 14(6), P. 646 - 646
Published: June 2, 2025
The fermentation product FP-WeiGuangSu is regarded as a novel, green and efficient antibiotic substitute. Such products constitute one of the principal strategies for addressing bacterial diseases in aquaculture future. This study investigates effects FPs derived from Bacillus subtilis on antioxidant capacity gut microbiota Largemouth Bass (Micropterus salmoides). Experimental diets containing 0, 1%, 3% 5% (Control, H1, H2 H3) were fed to M. salmoides. Although short-term administration exerted no significant influence growth performance Bass, serological findings demonstrated that supplementation with decreased contents liver injury markers ALT, AST AKP, along MDA content, enhanced (SOD, CAT GSH-px). Notably, addition 1% significantly improved systemic CAT, GSH-px T-AOC). Moreover, FP increased expression levels il-10 IgM, lipolysis-related genes. results analysis revealed altered diversity structure microbiota. LEfSe indicated microbial marker control group was Cetobacterium, those H1 Mycoplasma, Acinetobacter, Paenibacillus g_unclassified_Rhizobiaceae, H3 Enterococcus. most upon Paenibacillus, pathways biosynthesis secondary metabolites, antibiotics, amino acids activated. Bugbase suggested that, compared group, abundance anaerobic bacteria decreased, while microorganisms mobile-element-containing oxidative-stress-tolerant phenotypes increased. Hence, this 1–3% dietary can be used enhance ability, intestine health salmoides industry promising feed additive aquaculture.
Language: Английский
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Aquaculture, Journal Year: 2024, Volume and Issue: 586, P. 740804 - 740804
Published: March 11, 2024
Language: Английский
Citations
3