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61,005 resultsShowing papers similar to Study on the dynamics of microplastics in the biofloc system for Nile tilapia (Oreochromis niloticus) aquaculture
ClearThe Evaluation of Microplastic Reduction in Biofloc Aquaculture for Sustainable Nile Tilapia Cultivation
Researchers evaluated biofloc technology as a strategy to reduce microplastic levels in water and Nile tilapia tissues in aquaculture, using ecological risk assessment to evaluate residual contamination. Biofloc systems reduced MP concentrations in both water and fish tissues compared to conventional systems, supporting biofloc technology as a partial mitigation strategy.
The Impact of Biofloc on Fish Growth Indicators and Health Risks Assesment from Polyethylene Terephthalate Microplastic Contamination
Researchers evaluated how biofloc technology affects Nile tilapia growth performance and assessed health risks associated with PET microplastic contamination in biofloc aquaculture systems, finding that biofloc improved growth but did not eliminate microplastic-related risks.
Impacts of Nile Tilapia (Oreochromis niloticus) exposed to microplastics in bioflocs system
Researchers assessed the effects of polystyrene microplastics on Nile tilapia raised in a bioflocs aquaculture system over 28 days. While the microplastics did not significantly affect water quality, fish growth, or digestive enzymes, they accumulated most heavily in the liver and increased markers of oxidative stress. The findings suggest that even in biofloc systems rich in beneficial microbes, microplastics can still accumulate in fish organs and cause subtle biological harm.
Synergetic Health Effects of Microplastics With Microbe on Tilapia in the Biofloc Technology System
Researchers investigated the combined effects of microplastics and environmental microbes on tilapia health in biofloc aquaculture systems. MP exposure in combination with biofloc microbiome alterations produced synergistic health effects in fish, including immune and metabolic stress, suggesting that aquaculture microbial ecology modulates MP toxicity.
Microplastics inhibit biofloc formation and alter microbial community composition and nitrogen transformation function in aquaculture
Microplastics were found to inhibit biofloc formation in aquaculture systems and alter microbial community composition and nitrogen transfer processes. The findings raise concerns about the growing use of intensive biofloc-based aquaculture in areas where microplastic contamination is prevalent.
The impact of microplastics on water quality, heavy metals, and health risks in bioflocbased tilapia farming systems
Researchers tested biofloc technology—which uses microbial aggregates—to reduce microplastic and heavy metal (Fe, Zn, Cu) contamination in tilapia aquaculture systems, finding it improved water quality through flocculation and biosorption of plastic and metal particles.
Biofloc Technology in Fish Aquaculture: A Review
This review examines biofloc technology, a method of fish farming that uses beneficial microbial communities to improve water quality and fish health. While not directly about microplastics, the technology is relevant because it could reduce the environmental footprint of aquaculture and potentially limit fish exposure to waterborne contaminants. Healthier aquaculture practices may help produce safer fish for human consumption in an era of increasing water pollution.
Microplastics biodegradation by biofloc-producing bacteria: An inventive biofloc technology approach
Researchers investigated biofloc-producing bacteria as a novel approach to biodegrade microplastics in aquaculture systems, finding that certain floc-forming bacterial strains can break down plastic particles while simultaneously improving water quality in culture environments.
Occurrence of micro- nanoplastics in a commercial recirculated aquaculture system and their translocation to cultured fish organs: A baseline study
Researchers found microplastics and nanoplastics inside the muscle, brain, and gut of Nile tilapia raised in a commercial fish farm that uses recirculated water, identifying multiple plastic polymer types in fish tissue — a finding that suggests farmed fish are a direct route for microplastic exposure in people who eat them.
Correlation of Water Quality with Microplastic Exposure Prevalence in Tilapia (Oreochromis niloticus)
Researchers exposed tilapia to polyethylene microplastics at three concentrations and assessed effects on water quality and microplastic accumulation in gastrointestinal, liver, gill, and gonad tissues, finding that higher concentrations were associated with elevated microplastic prevalence and tissue-specific accumulation patterns.
Evaluation of Toxicological Risks and Effects of Microplastics on Nile Tilapia (Oreochromisniloticus) under in Vitro Laboratory Conditions
This laboratory study evaluated the toxicological effects of microplastics on Nile tilapia (Oreochromis niloticus) under controlled conditions, finding measurable harm at the concentrations tested. The results have implications for managing fish health in aquaculture operations with microplastic-contaminated water.
Microplastics in aquaculture environments: Sources, pollution status, toxicity and potential as substrates for nitrogen-cycling microbiota
Researchers reviewed microplastic pollution in aquaculture systems, finding concentrations as high as 362 particles per liter in water and nearly 125,000 per kilogram in sediment, with microplastics accumulating in farmed fish and shellfish and potentially reaching humans through the food chain.
How do fish consume microplastics? An experimental study on accumulation pattern using Nile tilapia (Oreochromis niloticus)
Researchers fed Nile tilapia in controlled lab conditions to study how microplastics accumulate in fish organs. They found that most microplastics came from the fish feed rather than from particles floating in the water, and that the digestive tract accumulated the most particles while muscles, the part humans typically eat, contained the smallest sizes. Twelve different polymer types were identified across the fish tissues.
Size dependent effects of nanoplastics and microplastics on the nitrogen cycle of microbial flocs
Researchers found that nano- and microplastics reduce the nitrogen cycling capacity of microbial flocs used in aquaculture, with smaller nanoplastics causing greater disruption than larger microplastics in a size-dependent toxicity pattern.
Occurrence of Microplastics in the Tissues of Nile Tilapia (Orechromis niloticus) from Zobe Dam, Katsina State, Nigeria
This study found microplastics in the tissues of Nile tilapia cultured in freshwater, with particles identified in gills, intestines, and muscle tissue. The results highlight the potential for microplastic transfer from farmed fish to human consumers.
Do microplastics pose health hazard?: A laboratory study by Oreochromis niloticus
Researchers used Nile tilapia (Oreochromis niloticus) in a tank-based experiment to quantify microplastic accumulation and assess health risk using a total polymer risk index. The study found elevated health risk levels in fish exposed to environmental concentrations of MPs, suggesting risks extending to human consumers.
Multi-Species Probiotics as Sustainable Strategy to Alleviate Polyamide Microplastic-Induced Stress in Nile Tilapia
Researchers tested whether multi-species probiotics could counteract the toxic effects of polyamide microplastics in Nile tilapia over a six-week experiment. The study found that probiotic supplementation alleviated microplastic-induced stress by improving growth performance, immune response, and physiological health markers, suggesting that probiotics may be a sustainable strategy for protecting farmed fish from microplastic contamination.
Unraveling Microplastic-Biofilm Nexus in Aquaculture: Diversity and Functionality of Microbial Communities and Their Effect on Plastic Traits
Researchers incubated five common types of microplastics in an aquaculture pond for 128 days and found that biofilm formation varied significantly depending on the plastic type, with polypropylene and polyethylene supporting the richest microbial communities. PET microplastics attracted more plastic-degrading bacteria like Pseudomonas, while all plastic types enriched potentially pathogenic microorganisms. The findings highlight how different microplastics selectively shape microbial colonization in aquaculture environments, with implications for both environmental health and food safety.
The impact of microplastics on antibiotic resistance genes, metal resistance genes, and bacterial community in aquaculture environment
Researchers discovered that microplastics in fish farming environments carry significantly higher levels of antibiotic resistance genes and disease-causing bacteria like Brucella and Pseudomonas compared to surrounding water. This means microplastics may act as floating platforms that help spread antibiotic-resistant infections through aquaculture, potentially reaching humans who consume the seafood.
The Occurrence of Microplastics and the Formation of Biofilms by Pathogenic and Opportunistic Bacteria as Threats in Aquaculture
This review examines how microplastics in aquaculture environments serve as habitats and transport vehicles for pathogenic and opportunistic bacteria, with more than 30 taxa of pathogens detected on plastic-associated biofilms. The study suggests that the combination of plastic persistence, closed aquaculture conditions, and pathogen affinity for plastic surfaces creates a significant threat to aquaculture production and food safety.
Size-Dependent Uptake and Depuration of Nanoplastics in Tilapia (Oreochromis niloticus) and Distinct Intestinal Impacts
Researchers tracked how tilapia fish absorb and eliminate nanoplastics of two sizes (86 and 185 nanometers) and found that both accumulated most heavily in the intestine. Smaller nanoplastics caused more physical damage to the intestinal lining, while larger ones disrupted the gut microbiome more severely. Since tilapia is widely consumed worldwide, the finding that nanoplastics build up in fish tissue and damage their guts raises concerns about the safety of farmed fish as food.
Microplastics in aquaculture fish - investigating microplastic exposure in Nile Tilapia
Researchers investigated whether microplastics ingested by Nile tilapia translocate from the gut to internal organs and edible tissues, examining liver, gonads, and fillet in adult fish. Microplastics were detected in all three tissue types beyond the gut, confirming translocation and raising food safety concerns for aquaculture tilapia consumers.
Microplastic contamination in the aquaculture icon Oreochromis mossambicus: Prevalence, characteristics, and comprehensive overview
Researchers investigated microplastic contamination in the Mozambique tilapia, a widely farmed fish species in India, and found microplastics present in the digestive tracts of sampled fish. The most common types were fibers and fragments made of polyethylene and polypropylene. The study raises concerns about microplastic transfer through aquaculture to human consumers, given the growing importance of tilapia farming and the rising levels of plastic pollution in Indian freshwater systems.
Toxicological assessment of dietary exposure of polyethylene microplastics on growth, nutrient digestibility, carcass and gut histology of Nile Tilapia (Oreochromis niloticus) fingerlings
Researchers fed Nile tilapia fish diets containing different amounts of polyethylene microplastics and found that higher levels significantly reduced growth, nutrient absorption, and body composition. Fish exposed to the highest microplastic concentration (10%) showed severe gut damage visible under a microscope. Since tilapia is widely farmed for human consumption, these findings raise concerns about microplastic contamination affecting both fish health and the safety of farmed seafood.