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61,005 resultsShowing papers similar to Ingestion and the toxicological effects of virgin polyethylene (PE) and polyvinylchloride (PVC) microplastics in commercial freshwater fish, tilapia (Oreochromis niloticus)
ClearIngestion and the toxicological effects of virgin polyethylene (PE) and PVC microplastics in commercial freshwater fish, Tilapia (Oreochromis niloticus)
Researchers exposed Nile tilapia to virgin polyethylene and PVC microplastics for 21 days, finding that both types caused behavioral changes and mortality, with PVC producing greater toxicity, reduced growth rates, and histological damage to gut and liver tissue.
The The Effect of Exposure to Microplastic Polyvinyl Chloride (PVC) in Feed on the Growth and Survival of Tilapia (Oreochromis niloticus)
Researchers studied the effects of polyvinyl chloride microplastics mixed into feed on the growth and survival of tilapia fish over a 30-day period. They found that higher concentrations of microplastics in feed led to reduced growth rates and lower survival compared to the control group. The study suggests that microplastic contamination in aquatic environments could negatively affect commercially important fish species through dietary exposure.
Assessment of dietary polyvinylchloride, polypropylene and polyethylene terephthalate exposure in Nile tilapia, Oreochromis niloticus: Bioaccumulation, and effects on behaviour, growth, hematology and histology
Nile tilapia fish fed three common types of microplastics (PVC, polypropylene, and PET) showed reduced growth, abnormal behavior, blood cell damage, and tissue damage in their gills, liver, and intestines. The harmful effects increased with higher doses of microplastics and varied by plastic type. Since tilapia is one of the most widely consumed fish globally, these findings raise concerns about the health of fish that may carry microplastic contamination to human diets.
Survival rate and growth performance of tilapia (Oreochromis niloticus) exposed in polyvinyl chloride microplastics
This study tested how polyvinyl chloride (PVC) microplastics affect the survival and growth of tilapia, a widely eaten fish. While focused on fish rather than humans, it provides data on how microplastics in water can harm aquatic life that ends up on our plates. The findings add to concerns about microplastic contamination in the food chain.
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.
Deleterious Effects of Polypropylene Microplastic Ingestion in Nile Tilapia (Oreochromis niloticus)
Researchers fed Nile tilapia daily doses of polypropylene microplastics for 30 days and observed significant health effects including changes in blood cell counts, altered gut bacteria, and tissue damage to the intestines and liver. The higher dose group showed more pronounced effects, including elevated inflammatory markers and signs of oxidative stress. The study provides evidence that chronic ingestion of microplastics commonly found in aquatic environments can cause meaningful harm to a widely consumed fish species.
Characterization, source identification and hazard index assessment of ingested microplastics in farmed tilapia Oreochromis niloticus
Researchers analyzed microplastics in the digestive tracts of farmed tilapia from 12 fish farms in Bangladesh, finding an average of 5–6 particles per fish dominated by fibers, with polyvinyl chloride (PVC) and polyethylene scoring the highest hazard ratings. The results raise concern that people who eat farmed fish from these regions may be consuming microplastics with polymers classified at the highest danger levels.
Ingestion of Polyvinylchloride Powder Particles Induces Oxidative Stress and Hepatic Histopathological Changes in Oreochromis niloticus (Nile Tilapia)—A Preliminary Study
Researchers found that oral exposure to PVC microplastic powder induced oxidative stress and liver histopathological changes in Nile tilapia, with altered water quality parameters and tissue damage indicating significant toxicological effects from ingested plastic particles.
Efecto de la ingesta incidental de polietileno y polipropileno sobre el crecimiento de Oreochromis sp. manejada en condiciones de laboratorio
Researchers exposed tilapia to polyethylene and polypropylene microplastics at different concentrations under laboratory conditions and found reduced growth performance. The results suggest that microplastic ingestion can impair the growth of this commercially important fish species, with potential implications for aquaculture productivity.
The Effect of Exposure to Polystyrene Microplastics in Feed on the Growth of Tilapia (Oreochromis niloticus)
This study exposed tilapia fish to polystyrene microplastics mixed into their feed at different concentrations. The results showed that microplastic exposure negatively affected the growth and development of the fish. This is relevant to human health because tilapia is a widely consumed fish, and microplastics accumulating in farmed fish could be passed along to the 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.
Integrated Biomarker, Histopathological and Genotoxicity‐Based Toxicological Evaluation of Polystyrene and Polyethylene Microplastics in Oreochromis mossambicus
Researchers exposed Mozambique tilapia to polystyrene and polyethylene microplastics and found dose-dependent accumulation in gill, gut, and liver tissues. Polyethylene proved significantly more toxic, causing greater oxidative stress, metabolic disruption, and chromosomal damage as measured by micronucleus assays. The study provides evidence that different polymer types can have markedly different toxicological impacts on freshwater fish.
Subacute toxic effects of polyvinyl chloride microplastics (PVC-MPs) in juvenile common carp, Cyprinus carpio (Pisces: Cyprinidae)
Juvenile common carp exposed to polyvinyl chloride microplastics showed dose-dependent toxic effects including tissue damage, oxidative stress, and altered biochemical markers over a subacute exposure period. The results indicate that PVC microplastics are harmful to freshwater fish at ecologically relevant concentrations.
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.
Toxic effects of polyethylene-microplastics on freshwater fish species: Implications for human health
This study reviews the toxic effects of polyethylene microplastics on freshwater fish species and the implications for human health, drawing on a body of existing literature on plastic pollution in aquatic ecosystems. The work synthesizes evidence of microplastic ingestion, bioaccumulation, and physiological effects in freshwater fish with relevance to human dietary exposure.
Comparative toxicity of virgin and biodegraded LLDPE microplastics on growth, behavior, antioxidant, and hematological health of Catla catla fish
Researchers compared the toxicity of virgin versus bacterially degraded polyethylene microplastics on freshwater fish, finding that both types caused abnormal behaviors and disrupted blood parameters in a dose-dependent manner. However, biodegraded microplastics produced less severe effects on growth, survival, and antioxidant enzyme activity, suggesting that microbial degradation may reduce the ecological risk posed by microplastic pollution.
Growth performance, hematological and oxidative stress responses in Nile tilapia (Oreochromis niloticus) exposed to polypropylene microplastics
Nile tilapia fish fed polypropylene microplastics for 7 weeks showed significantly reduced growth, blood abnormalities indicating anemia, and oxidative stress damage in both liver and brain tissue. The effects were dose-dependent, with higher microplastic concentrations causing more severe harm. Since tilapia is one of the most widely farmed and consumed fish globally, these findings raise concerns about the health of both farmed fish and the people who eat them.
The Effect of Polyvinyl Chloride (PVC) Microplastic Exposure in Feed on The Growth Performance and Survival of Catin Fish (Pangasius hypophthalmus)
This study tested how PVC microplastics in feed affect the growth and survival of catfish. It found that microplastic exposure reduced fish growth performance, demonstrating how plastic contamination in aquatic environments can impact the food chain and potentially the seafood people eat.
Biochemical, Genotoxic and Histological Implications of Polypropylene Microplastics on Freshwater Fish Oreochromis mossambicus: An Aquatic Eco-Toxicological Assessment
Researchers fed polypropylene microplastics to freshwater tilapia and found they caused oxidative stress, DNA damage, and liver tissue deterioration, with more severe effects after 14 days compared to acute 96-hour exposure. The microplastics disrupted antioxidant enzyme systems and neurotransmitter activity in the fish. The study demonstrates that prolonged microplastic ingestion poses a significant ecological threat to freshwater fish species.
Sub-chronic exposure of Oreochromis niloticus to environmentally relevant concentrations of smaller microplastics: Accumulation and toxico-physiological responses
Researchers exposed Nile tilapia to low, environmentally relevant concentrations of polystyrene microplastics for 14 days and found the particles accumulated in multiple organs including the brain, liver, and reproductive tissues. The fish showed changes in blood chemistry, increased stress hormones, and signs of liver and kidney dysfunction. These results suggest that even realistic levels of microplastic pollution can cause measurable physiological harm in fish.
Ecotoxicological Effects of Polyvinyl Chloride (PVC) Microplastics on the Growth, Reproduction and Survival of Daphnia magna
Researchers exposed Daphnia magna to polyvinyl chloride microplastics at different concentrations, alone and combined with two algal food sources, and measured growth, reproduction, and survival. PVC microplastics reduced fecundity and survival in a dose-dependent manner, with food source type modulating the severity of toxicity effects.
Ingestion of polyethylene microplastics impacts cichlid behaviour despite having low retention time
Researchers fed juvenile cichlid fish brine shrimp contaminated with polyethylene microplastics and observed significant behavioral changes, including altered activity and feeding patterns, even though the plastic particles passed through the fish quickly. The study suggests that even brief microplastic exposure can disrupt normal fish behavior, which could affect their survival in polluted waterways.
Biological alterations of polyvinyl chloride (PVC) microplastics on Danio rerio at environmentally relevant concentrations – risk assessment
Researchers assessed the toxic effects of polyvinyl chloride microplastics at environmentally relevant concentrations on zebrafish over 20 days. The study found that PVC microplastics accumulated in the gastrointestinal tract and caused biological alterations including changes in growth, behavior, and tissue integrity, highlighting potential ecological risks at realistic exposure levels.