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Factors Influencing Disease Dynamics in Small-Scale Carp Polyculture in Bangladesh.

ABSTRACT: Small-scale carp polyculture plays a key role in food supply in Bangladesh. However, factors including water pollution, limited infrastructure, and inadequate disease management hinder its sustainability. This paper reports on a survey of 231 farmers across the six major carp producing regions in Bangladesh, analyzing factors including farmers' social aspects, farm characteristics, information on disease and approaches adopted to combat them, and biosecurity practices. Almost half (46.8%) of the farms surveyed experienced disease in carp species, with clear regional variations. Eighty-four percent of farms reported carp mortalities during disease outbreaks, with an average mortality level of 10.23 ± 11.81%. Clinical signs during outbreaks lasted between a week and a month, with a peak in disease outbreaks occurring in two seasonal periods between June and July and October and December. Disease incidence was related to a range of factors including the farmer's experience, ponds/farm type, stocked species, and biosecurity practice. A combination of disinfecting measures during pond preparation and measures during stocking, including discarding fingerling transport water away from the farm, fingerling disinfection, and checking the health of fingerlings before stocking, significantly reduced disease occurrence. Treatments involving antibiotics, ciprofloxacin, erythromycin, and azithromycin were reported as ineffective, raising concerns about their non-prudent use, inadequate dosing (perhaps without appropriate veterinary guidance), and the potential for driving antimicrobial resistance in the environment. The research unveils a concerning pattern of high disease incidence across small-scale carp farms in Bangladesh, and the significant potential for disease spread highlights the need for responsible disposal practices. The study emphasizes the need for improving training and awareness programs for addressing biosecurity and disease management challenges, ensuring sustainable aquaculture and community well-being.

SUBMITTER: Debnath PP

PROVIDER: S-EPMC10967620 | biostudies-literature | 2024 Mar

REPOSITORIES: biostudies-literature

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Factors Influencing Disease Dynamics in Small-Scale Carp Polyculture in Bangladesh.

Debnath Partho Pratim PP Prukbenjakul Pochara P Bondad-Reantaso Melba G MG Tyler Charles R CR Rodkhum Channarong C

Animals : an open access journal from MDPI 20240320 6

Small-scale carp polyculture plays a key role in food supply in Bangladesh. However, factors including water pollution, limited infrastructure, and inadequate disease management hinder its sustainability. This paper reports on a survey of 231 farmers across the six major carp producing regions in Bangladesh, analyzing factors including farmers' social aspects, farm characteristics, information on disease and approaches adopted to combat them, and biosecurity practices. Almost half (46.8%) of the ...[more]

PMID: 38540063

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Factors Influencing Disease Dynamics in Small-Scale Carp Polyculture in Bangladesh.

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Factors Influencing Disease Dynamics in Small-Scale Carp Polyculture in Bangladesh.

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