Impact of sublethal concentration of a fungicide propiconazole on certain health biomarkers of Indian major carp Labeo rohita

Hemalatha, Devan; Muthukumar, Aandisamy; Rangasamy, Basuvannan; Nataraj, Bojan; Ramesh, Mathan

doi:10.1016/j.bcab.2016.10.009

Cited by 15 publications

(2 citation statements)

References 40 publications

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“…Following exposure to the first three BAC1,2,3 concentrations, red blood cells declined, then increased to levels comparable to control fish at BAC4 at both exposure times. This pattern of RBCs fluctuation is in accordance with some similar studies on Labeo rohita exposed to fungicide propiconazole 44 , and Oncorhynchus mykiss exposed to pesticides 45 . Fish exposed to higher BAC4 exhibited higher hematocrit levels than control fish, which may mean that hematocrit is increased simultaneously with increasing RBCs, which may be produced in high numbers to compensate for loss.…”

Section: Discussionsupporting

confidence: 92%

Hemato-Serological Findings as Early signals in Nile Tilapia Oreochromis niloticus Treated with Benzalkonium Chloride

et al. 2023

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To evaluate the toxicity of benzalkonium chloride in aquaculture, the hemato-serological indices of Nile tilapia Oreochromis niloticus are used as biomarkers. Following exposure to three concentrations of benzalkonium chloride BAC 0.1, 0.25, 0.50, and 1 mg/l (BAC1,2,3 and 4) in aquaria for two durations 21 and 42 days, the microbiological assay in fish aquaria, in addition to blood parameters were assessed. Except for the mean difference between BAC2 and BAC3 (P > 0.05) at 42 days, the mean values of the bacterial counts revealed a significant difference between all compared groups (0.05 ≥ P ≤ 0.01). Following exposure to the lower concentrations of BAC (1, 2 and 3), the main blood parameters of Oreochromis niloticus namely red blood cells RBCs, and hemoglobin Hb decreased in fluctuated pattern when compared to control treatment (0.05 > P< 0.01), but interestingly peaked at the higher concentration (BAC4), despite there were no significant differences when compared to control (except hemoglobin at 42 days, P< 0.01). Contrarily, the white blood cells WBCs rapidly rose at the first concentration BAC1 (P< 0.01), particularly at the second duration, compared to the control treatments. The counted WBCs changed after exposure to the following two concentrations BAC2, BAC3, before peaking at the higher experimental concentration BAC4 (P< 0.01). The mean cells volume MCV, mean cells haemoglobin MCH and MCHC mean cells haemoglobin concentration exhibited a narrow fluctuation between control and BAC treated fish. Regarding biochemical findings, the average levels of cholesterol and triglycerides showed erratic behavior depending on BAC levels in treatment. The mean alanine transaminase ALT and aspartate aminotransferase AST levels fluctuated between the control and BAC1,2,3 before abruptly increasing at the higher BAC4, with significant differences (0.05 > P< 0.01) when control, BAC1,2,3, compared to BAC4, except AST between BAC3 and BAC4 (insignificant- 42 days). Following BAC exposure, other parameters, including protein and urea remained the same as in control fish. The alteration in some hemato-serological markers demonstrated how a compensatory mechanism is generated in response to the stress caused by exposure to biocides.

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Section: Discussionsupporting

confidence: 92%

Hemato-Serological Findings as Early signals in Nile Tilapia Oreochromis niloticus Treated with Benzalkonium Chloride

et al. 2023

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“…During stressful condition, fish typically use their body protein, converting it into energy to cope with the energy demand. In this sense, proteins are considered an alternative source of energy, along with glucose, to meet the increased energy demands of fish under stress conditions [22] . Another parameter utilized to measure stressful levels of pollutants, which also serves as an indicator of stress in fish is muscle glycogen [23][24][25] .…”

Section: Introductionmentioning

confidence: 99%

Sub-lethal toxicity of alphamethrin on biochemical indices in a freshwater fish, Cyprinus carpio

F¹,

Ashokan²,

Sutha³

et al. 2021

Int. J. Fish. Aquat. Stud.

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The focus of the study is to evaluate the effects of a pyrethroid pesticide, alphamethrin on freshwater fish Cyprinus carpio. The LC50 of alphamethrin for 96 h was determined as 6 µg/L. For sub-lethal study, 1/10 th (0.6 µg/L-Treatment I) and 1/5 th (1.2 µg/L-Treatment II) of 96 h LC50 concentration were exposed to C. carpio for 35 days. At each interval period, biochemical responses such as plasma glucose, protein and muscle glycogen were determined. During the study period, plasma glucose level was significantly increased with decrease in plasma protein in both the treatment groups. The muscle glycogen content in the fishes treated with 0.6 µg/L and 1.2 µg/L of alphamethrin were also observed to decrease significantly. The overall study concludes that alphamethrin at sublethal concentration affects the biochemical indices of Cyprinus carpio. The changes in these biochemical indices can be effectively used to monitor the alphamethrin pesticide in the aquatic environment.

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Environmental Hormone Effects and Bioaccumulation of Propiconazole and Difenoconazole in Procypris merus

Chen

Wang

Zhang

et al. 2022

Bull Environ Contam Toxicol

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Impact of sublethal concentration of a fungicide propiconazole on certain health biomarkers of Indian major carp Labeo rohita

Cited by 15 publications

References 40 publications

Hemato-Serological Findings as Early signals in Nile Tilapia Oreochromis niloticus Treated with Benzalkonium Chloride

Hemato-Serological Findings as Early signals in Nile Tilapia Oreochromis niloticus Treated with Benzalkonium Chloride

Sub-lethal toxicity of alphamethrin on biochemical indices in a freshwater fish, Cyprinus carpio

Environmental Hormone Effects and Bioaccumulation of Propiconazole and Difenoconazole in Procypris merus

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