Acute Haematological Effects of Sublethal Levels of Paraquat on the African Catfish, Clarias Gariepinus (Osteichthyes: Clariidae)

Kori-Siakpere, O.; Adamu, Kabir Mohammed; Theresa, Madukelum Ifeanyi

doi:10.3923/rjes.2007.331.335

Cited by 5 publications

(2 citation statements)

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“…The mean values of PCV (%) were measured with a microhematocrit reader. Hematological indices were calculated from the equations given by Ovie et al (2007).…”

Section: Methodsmentioning

confidence: 99%

“…The use of hematological techniques in fish culture is growing in importance for toxicological research, environmental monitoring and fish health conditions. Many studies have been conducted on the hematological changes in fish as a result of pesticides by Das and Mukherjee (2000), Ovie et al (2007), Mikula et al (2008). Samprath et al (1993) noted that there is a possibility that studies on fish blood might reveal conditions within the body of the fish long before there is any outward manifestation of disease.…”

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confidence: 99%

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Effects of Acute Exposure to Endosulfan (Organochlorine Pesticides) on Hematology of African Mud Catfish, Clarias gariepinus (Burchell, 1822)

Ndimele

Jenyo‐Oni

Kumolu-Johnson

et al. 2015

Bull Environ Contam Toxicol

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Changes in the blood parameters of fingerlings of Clarias gariepinus were investigated after 24 and 96-h of exposures to endosulfan. 180 fingerlings of C. gariepinus [mean weight (10.5±1.3 g); total length (11.2±1.2 cm)] were exposed to five different concentrations (1.00, 2.20, 4.80, 11.00, 23.00 µg/L) of endosulfan and a control for 96 h after being acclimatized for 21 days. After 24 h of exposure, microcytic hypochromic anemia was observed and all erythrocyte profiles tested showed significant variation (p<0.05) among the treatments except thrombocyte and mean corpuscular hemoglobin concentration. Macrocytic hyperchromic anemia was noticed after 96 h of exposure and all the hematological parameters varied significantly (p<0.05) except packed cell volume and red blood cell count. The study shows that endosulfan alters the hematology of C. gariepinus fingerlings. Therefore, awareness on the hazards associated with the use of endosulfan should be intensified and sound sustainable alternatives to endosulfan should be developed.

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“…The mean values of PCV (%) were measured with a microhematocrit reader. Hematological indices were calculated from the equations given by Ovie et al (2007).…”

Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

Effects of Acute Exposure to Endosulfan (Organochlorine Pesticides) on Hematology of African Mud Catfish, Clarias gariepinus (Burchell, 1822)

Ndimele

Jenyo‐Oni

Kumolu-Johnson

et al. 2015

Bull Environ Contam Toxicol

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Studies on Toxicological Effect of the Herbicide Paraquat Dichloride on the Air Breathing Singhi Catfish, Heteropneustes fossilis (Bloch)

Das

Kalita

et al. 2020

Proc Zool Soc

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Titanium dioxide nanoparticles-induced cytogenotoxicity and alterations in haematological indices of Clarias gariepinus (Burchell, 1822)

et al. 2020

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The application of titanium dioxide (TiO2) nanoparticles (NPs) in the manufacturing of consumer products has increased tremendously and with the potential to induce deleterious effects on aquatic biota. There have been reports on metal oxide NP toxicity in aquatic organisms, however, information on cytotoxicity and genotoxicity of TiO2 NPs on the African catfish, Clarias gariepinus, is scarce. In this study, we investigated the genotoxicity and haematotoxicity of TiO2 NPs in C. gariepinus using the micronucleus (MN) assay and haematological analysis, respectively. Juvenile C. gariepinus were exposed to 6.25, 12.5, 25.0, 50.0 and 100.0 mg L−1 concentrations of TiO2 NPs for 7 and 28 days. Benzene (0.05 mL L−1) and dechlorinated tap water were used as positive and negative controls, respectively. Data of the MN showed a significant ( p < 0.05) concentration-dependent increase in the frequency of MN at both exposure periods in comparison to negative control. Red blood cells, haematocrit, platelets and heterophils significantly reduced with an increased mean corpuscular haemoglobin concentration and lymphocytes at the 7-day exposure period, while in the 28-day exposure period, mean cell volume, mean corpuscular haemoglobin and lymphocytes had a significant increase in comparison with the negative control. This study indicates that TiO2 NPs induced cytogenetic and haematological alterations in C. gariepinus and is of relevance in biodiversity and aquatic health management.

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Acute Haematological Effects of Sublethal Levels of Paraquat on the African Catfish, Clarias Gariepinus (Osteichthyes: Clariidae)

Cited by 5 publications

References 1 publication

Effects of Acute Exposure to Endosulfan (Organochlorine Pesticides) on Hematology of African Mud Catfish, Clarias gariepinus (Burchell, 1822)

Effects of Acute Exposure to Endosulfan (Organochlorine Pesticides) on Hematology of African Mud Catfish, Clarias gariepinus (Burchell, 1822)

Studies on Toxicological Effect of the Herbicide Paraquat Dichloride on the Air Breathing Singhi Catfish, Heteropneustes fossilis (Bloch)

Titanium dioxide nanoparticles-induced cytogenotoxicity and alterations in haematological indices of Clarias gariepinus (Burchell, 1822)

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