6 research outputs found

    Antimicrobial resistance (AMR): A major challenge for the aquaculture industry in Bangladesh

    Get PDF
    This fact sheet is to provide up-to-date information supported by scientific evidence on the importance of antimicrobial use (AMU) and antimicrobial resistance (AMR) in aquatic food systems of Bangladesh to support all relevant stakeholders to engage in interventions and actions to minimize AMU and promote One Health initiatives through responsible and sustainable aquaculture practices

    Aquatic food systems and antimicrobial use in Bangladesh: A One Health perspective

    Get PDF
    This scoping review is one of the deliverables of the antimicrobial resistance work package of the CGIAR Initiative on One Health. It reviews past literature and projects on antimicrobial use and antimicrobial resistance in the aquatic food systems of Bangladesh from a One Health perspective. The purpose of this review is to gain a better understanding of the challenges of antimicrobial use and antimicrobial resistance in the prevailing aquatic food production systems in Bangladesh using a One Health approach. The review also sheds light on past and ongoing initiatives led by government agencies, non-governmental organizations and collaborative research partners to reduce the burden of antimicrobial use and antimicrobial resistance in aquaculture in Bangladesh

    Improving biosecurity practices of finfish aquaculture in Bangladesh

    No full text
    Finfish biosecurity in Bangladesh is a growing concern due to the high demand for fish and the increasing prevalence of diseases in aquaculture. WorldFish and partners are working with Bangladesh national research institutions and national competent authorities to design and develop finfish biosecurity training modules to reduce antimicrobial use (AMU) and antimicrobial resistance (AMR) burden in commercial finfish aquaculture systems. Through an 8-day participatory pilot program in February 2023, collaborative partners identified major pathogen-spread pathways, current biosecurity practices and gaps in commercial finfish aquatic production systems

    Antibiotics usage practices in aquaculture in Bangladesh and their associated factors

    No full text
    Background Irrational and inappropriate use of antibiotics in aquaculture can contribute to the development of antibiotic resistance. Objectives In this study, we aimed to assess antibiotic usage in inland and coastal fish farms in Bangladesh and identify factors associated with this practice. Methods We conducted a cross-sectional study to collect antibiotic usage information from 672 fish farmers in Bangladesh. The frequency of use, the types of antibiotics, the purpose of usage, and antibiotic prescribing practices were estimated. Adjusted odds ratios (aOR) were calculated to measure the association between antibiotic usage and factors related to the characteristics of the farms and farmers using multivariable logistic regression models. Results Twenty-two farms reported using antibiotics in the last 24 h preceding the interview (3%, 95% CI: 2–5%); 36 farms (5%, 95% CI: 4–7%) in the last 72 h, 141 farms (21%, 95% CI: 18–24%) in the last 14 days, and 478 farms (71%, 68–75%) reported antibiotic usage at least once since the start of their production cycle. Antibiotics usage in the last 14 days preceding the interviews was higher in freshwater fish farms (98%) than in brackish water farms (2%). Oxytetracycline, ciprofloxacin, and amoxicillin were the most frequently used antibiotics. Most of the antibiotics were reported to be used for both therapeutic and prophylactic purposes (71%, 95% CI: 63–78%). Antibiotics used within the last 14 days were mainly advised by feed dealers or drug sellers (51%, 95% CI: 43–60%), followed by farmers themselves (31%, 95% CI: 23–38%) and local service providers (18%, 95% CI, 12–25%). Fish farms having history of antibiotic use within the last 14 days preceding interviews was significantly associated with illness in fish (aOR 1.98, 95% CI:1.21–3.29) compared to farms with healthy fish and fishes cultured in ponds (aOR 9.34, 95% CI: 3.69–23.62) compared to enclosure cultures. Conclusions Improvement of fish health through better farming practices and changes in feed dealers' and farmers' attitudes towards self-prescription of antibiotic without veterinarian diagnostics may help to reduce the levels of antibiotic usage and thus contribute to mitigating antimicrobial resistance

    Nanopore sequencing for identification and characterization of antimicrobial-resistant Escherichia coli and Salmonella spp. from tilapia and shrimp sold at wet markets in Dhaka, Bangladesh

    No full text
    Wet markets in low-and middle-income countries are often reported to have inadequate sanitation resulting in fecal contamination of sold produce. Consumption of contaminated wet market-sourced foods has been linked to individual illness and disease outbreaks. This pilot study, conducted in two major wet markets in Dhaka city, Bangladesh during a 4-month period in 2021 aimed to assess the occurrence and characteristics of Escherichia coli and non-typhoidal Salmonella spp. (NTS) from tilapia (Oreochromis niloticus) and shrimp (Penaeus monodon). Fifty-four individuals of each species were collected. The identity of the bacterial isolates was confirmed by PCR and their susceptibility toward 15 antimicrobials was tested by disk diffusion. The whole genome of 15 E. coli and nine Salmonella spp. were sequenced using Oxford Nanopore Technology. E. coli was present in 60–74% of tilapia muscle tissue and 41–44% of shrimp muscle tissue. Salmonella spp. was found in skin (29%) and gills (26%) of tilapia, and occasionally in muscle and intestinal samples of shrimp. The E. coli had several Multilocus sequence typing and serotypes and limited antimicrobial resistance (AMR) determinants, such as point mutations on glpT and pmrB. One E. coli (BD17) from tilapia carried resistance genes for beta-lactams, quinolones, and tetracycline. All the E. coli belonged to commensal phylogroups B1 and A and showed no Shiga-toxin and other virulence genes, confirming their commensal non-pathogenic status. Among the Salmonella isolates, five belonged to Kentucky serovar and had similar AMR genes and phenotypic resistance patterns. Three strains of this serovar were ST198, often associated with human disease, carried the same resistance genes, and were genetically related to strains from the region. The two undetermined sequence types of S. Kentucky were distantly related and positioned in a separate phylogenetic clade. Two Brunei serovar isolates, one Augustenborg isolate, and one Hartford isolate showed different resistance profiles. This study revealed high fecal contamination levels in tilapia and shrimp sold at two main wet markets in Dhaka. Together with the occurrence of Salmonella spp., including S. Kentucky ST198, a well-known human pathogen, these results stress the need to improve hygienic practices and sanitation standards at markets to improve food safety and protect consumer health
    corecore