Assessment of faecal contamination in selected fish ponds within nagongera area with emphasis on minimizing health risks to fish consumers.
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Date
2024
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Busitema University
Abstract
Aquaculture, also known as fish farming is the cultivation of aquatic organisms such as fish, shell fish, and plants in controlled environment and stands as a vital component of global food security, playing a pivotal role in suppling protein to burgeoning populations yet the safety of fish products remains a critical issue. Aquaculture has gained much attention as a fast-growing sector of global food production and source of animal protein in the world today (Olsen & Hasan, 2012). (Olsen & Hasan, 2012). However, microorganisms contribute a significant fraction of importance in the aquatic ecosystem and they have been observed to be among the factors that can cause the emergence of infectious diseases in aqua cultural practices (Santos & Ramos, 2018). The prevalence of infectious diseases has been observed to depend on the interaction between fish pathogens and the aquatic environment (Arkoosh et al., 1998). Hence, the need to quantify and monitor microbial population in this sector. This study delved into the assessment of faecal of contaminations in fish ponds within Nagongera areas in Tororo district. Faecal matter introduces various contaminants into fish ponds, posing risks not only to consumers but also to the sustainability of aquaculture ecosystems. The general objectives of this study were to assess the extent of faecal contamination in fish ponds within Nagongera. Specific objectives were, to identify the sources and types of faecal contamination in selected fish ponds to, determine the concentration of faecal indicator bacteria (E. coli) in the fish and growing waters, determining contamination levels in water, and fish samples, and proposing targeted mitigation strategies. The study employed a rigorous sampling design, selecting fish ponds randomly around Nagongera areas. Three fish ponds were randomly selected as sampling sites, water and fish samples were randomly collected over a four-month period between April and August. Collection of water, and fish samples formed the basis for microbiological analyses. Water samples were collected aseptically with sterile 500 ml capped bottles, labelled appropriately and transported to the laboratory within 1 hour. Fish samples were collected using conventional hook and thereafter placed in sterile polythene bags with appropriate labelling and were transported to the laboratory within 1 hour. Serial dilution was conducted to prepare water and fish samples. A series of sterile dilution tubes (test tubes) were labelled numerically, 10-1 to 10-6 to indicate the dilution factor.
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Owor, E. (2024). Assessment of faecal contamination in selected fish ponds within Nagongera area with emphasis on minimizing health risks to fish consumers. [Undergraduate, Research Report]. Busitema University.