Bioassay trials with twenty three pesticides to a fresh water teleost, saccobranchus fossilis

Verma, S.R.; Bansal, Surendra K.; Gupta, Ashok Kumar; Pal, Nishith Kumar; Tyagi, Abhishek; Bhatnagar, M; Kumar, Vineet; Dalela, R. C.

doi:10.1016/0043-1354(82)90071-9

Cited by 28 publications

(16 citation statements)

References 6 publications

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“…With higher concentrations of 40% dimetoate, the movements of recently hatched larvae and 3-day old larvae were slower than the control. dIscussIon Some LC 50 values for organophosphate compounds in freshwater fish are reported in the literature (Menzie, 1969;Verma et al, 1979;Verma et al, 1982;Karim et al, 1985;Rodrigues, 1994). Exemplifying, 96-h LC 50 value of 4.57 µg.L -1 was found for Saccobrachus fossilis exposed to dimethoate (Verma et al, 1979).…”

Section: Resultsmentioning

confidence: 99%

Dimethoate 40% organosphosphorous pesticide toxicity in Prochilodus lineatus (Prochilodontidae, Characiformes) eggs and larvae

et al. 2006

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Toxicity tests using early life stages of fish are of great importance in assessing risks to growth, reproduction and survival in polluted environments and are important tools for good environmental monitoring. However, a small number of standard bioassays of this type have been developed in Brazil. Curimbatá (Prochilodus lineatus) is an abundant South American characid fish of great commercial interest. It was chosen for testing different concentrations of 40% dimethoate, an organophosphate insecticide and acetylcholinesterase enzyme (AChE) inhibitor used widely in Brazil. The 48-h LC 50 for eggs is higher than 16.0 µg.L -1 , whereas for recently hatched larvae it was found to be significantly lower (11.81 µg.L ) and also significantl y lower than that for eggs by a Student t-test for independent samples (p = 0.03). The 96-h LC 50 for 3-day old larvae was 10.44 µg.L -1 (8.03 µg.L -1 -13.57 µg.L -1 ), similar to that of recently-hatched larvae (p = 0.76). Larval mobility was also found to be reduced by this insecticide.Keywords: pesticide, toxicity, fishes, bioassay, larvae. resumo toxicidade do acaricida organofosforado dimetoato 40% aos ovos e larvas deProchilodus lineatus (Prochilodontidae, characiformes)Os testes de toxicidade com os primeiros estágios de vida de peixes são de elevada importância no que se refere ao comprometimento das fases de crescimento, reprodução e sobrevivência dos organismos em ambientes poluídos, constituindo uma ferramenta importante para um adequado monitoramento ambiental. Entretanto, um pequeno número de bioensaios desta natureza tem sido desenvolvido no Brasil. O curimbatá (Prochilodus linetaus) é um peixe da ordem Characidae de grande interesse comercial e muito abundante na América do Sul. A espécie foi utilizada para testar diferentes concentrações de dimetoato 40%, um pesticida organofosforado inibidor da enzima acetilcolinesterase (AChE) utilizado em grande escala no Brasil. A CL50 (48h) para ovos é superior a 16,0 µg.L -1; entretanto para larvas recém-eclodidas foi significativamente mais baixa (11,81 µg.L -1 , variando de 10.23 a 13,65) de acordo com o teste-t para amostras independentes (p = 0.03). A CL50 para larvas com 3 dias de vida foi de 10,44 µg.L -1 (8,03-13,57), apresentando-se similar ao resultado encontrado para larvas recém-eclodidas (p = 0.76). A mobilidade das larvas foi reduzida na presença deste pesticida. toxicidade, peixes, bioensaios, larva. 634 CAMPAGNA, A. F. et al. Palavras

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Section: Resultsmentioning

confidence: 99%

Dimethoate 40% organosphosphorous pesticide toxicity in Prochilodus lineatus (Prochilodontidae, Characiformes) eggs and larvae

et al. 2006

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“…Tables 1 and 2 demonstrate that the three OPs were highly toxic to Daphnia magna and that the acute toxicity sequence was dipterex > parathion > malathion. Other invertebrates and some fish also demonstrated the same order of toxicity among the three OPs, including fresh water teleost Saccobranchus fossilis (Verma et al 1982), midges (Belden and Lydy 2001), grass shrimp Palaemonetes pugio (Peter et al 1998) and goldfish Carassius auratus (Ana et al 2004). This suggested that the acute relative toxicity of the OPs might be analogous across these species.…”

Section: Acute Toxicity Testsmentioning

confidence: 94%

The early warning of aquatic organophosphorus pesticide contamination by on-line monitoring behavioral changes of Daphnia magna

Ren

Zha

et al. 2007

Environ Monit Assess

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In this paper, the movement behavior of Daphnia magna was studied as a bio-indicator of organophosphorous pesticide (OP) contamination, using an on-line bio-monitoring method, the Multispecies Freshwater Biomonitor®. A static test of acute toxicity test revealed the 24-h and 48-h LC 50 values (95% confidence limit) for Daphnia magna to be respectively 0.45 μg/l and 0.21 μg/l for dipterex 3.80 μg/l and 0.90 μg/l for malathion, and 1.25 μg/l and 0.38 μg/l for parathion. The behavior strength of Daphnia magna was a sensitive indicator of sublethal OP stress and resulted in significant concentrationresponse relationships for the three OPs. Increasing OP concentration will result in more intensive behavioral responses of Daphnia magna and shorter response time, which could be described by the Stepwise Stress Model (SSM). Therefore movement behavior can be effectively applied in early warning of environment quality by on-line bio-monitoring. The intensive changes in behavior strength of Daphnia magna over a short time follow the SSM concept and can be used as an indicator of early stress response to OP accidental contamination.

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“…Pesticides are recognized as serious pollutants in the aquatic environment with the potential to cause deleterious effects on the biota, especially fish (Verma et al, 1982;Elia et al, 2002).…”

mentioning

confidence: 99%

Effects of metribuzin on rainbow trout (Oncorhynchus mykiss)

Velíšek¹,

Svobodová²,

Piačková³

et al. 2008

Vet. Med. - Czech

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AbstrAct:The aim of this study was to assess the effect of metribuzin on rainbow trout (Oncorhynchus mykiss). An experimental group of fish was exposed to Sencor 70 WG pesticide product (active substance 70% of metribuzin). The acute semistatical toxicity test lasting 96 h was performed on rainbow trout juveniles. The 96hLC50 value of Sencor 70 WG was 89.3 mg/l. An examination of the haematological and biochemical profile and histopathological tissue examinations were performed on one-to two-year-old rainbow trout after 96 h of exposure to Sencor WG 70 in a concentration of 89.3 mg/l. The experimental group showed significantly lower values (P < 0.01) of plasma total proteins, triacylglycerols, aspartate aminotransferase, ammonia, calcium, lactate, alkaline phosphatase, erythrocyte count, haematocrit and significantly higher (P < 0.01) values of erythrocyte haemoglobin compared to the control group. A significant decrease (P < 0.01) in both the relative and absolute lymphocyte count and a significant increase (P < 0.01) in both the relative and absolute count of neutrophile granulocytes were also recorded in the experimental group. The histopathological examination revealed mild proliferation of goblet cells of the respiratory epithelium of secondary gill lamellae and hyaline degeneration of epithelial cells of the renal tubules of the caudal kidney. This alteration of kidney resulted in hypoproteinaemia, followed by the formation of transudate in the body cavity. The metribuzin-based Sencor WG 70 pesticide product was classified among substances harmful to fish.

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Bioassay trials with twenty three pesticides to a fresh water teleost, saccobranchus fossilis

Cited by 28 publications

References 6 publications

Dimethoate 40% organosphosphorous pesticide toxicity in Prochilodus lineatus (Prochilodontidae, Characiformes) eggs and larvae

Dimethoate 40% organosphosphorous pesticide toxicity in Prochilodus lineatus (Prochilodontidae, Characiformes) eggs and larvae

The early warning of aquatic organophosphorus pesticide contamination by on-line monitoring behavioral changes of Daphnia magna

Effects of metribuzin on rainbow trout (Oncorhynchus mykiss)

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