Résumé
This study aimed to compare the toxicity for fish of two active ingredients (lambda-cyhalothrin-20 g L −1, a pyrethroid, and acetamiprid-15 g L −1, a neonicotinoid) which are components of a commercial insecticide (Acer 35 EC) used in cotton crop in many West African countries. The juveniles of Oreochromis niloticus (4.01 ± 0.34 g, mean body weight) were exposed for 96 h to increasing concentrations of active ingredients (lambda-cyhalothrin and acetamiprid) or a mixture similar to Acer 35 EC (composed by 20 g of chemical compound lambda-cyhalothrin and 15 g of acetamiprid dissolved in 1 L of acetone). The experiments were carried out under controlled conditions in aquaria according to OECD Guidelines. During the experiments, the behavioral responses (loss of balance, color change, hyperactivity, etc.) that usually precede death were observed in exposed fish. Mortalities were recorded in each aquarium and the LC 50-96h of each chemical was determined. The LC 50-96h obtained were respectively 0.1268, 0.0029, 182.9 and 0.5685 ppm for Acer 35 EC, lambda-cyhalothrin, acetamiprid and mixture. All insecticides used in this study had profound impact on Nile tilapia behavior which may confirm the neurotoxicity of each single active compound as well as of their mixture.
| langue originale | Anglais |
|---|---|
| Pages (de - à) | 580-589 |
| Nombre de pages | 10 |
| journal | Journal of Environmental Science and Health - Part B Pesticides, Food Contaminants, and Agricultural Wastes |
| Volume | 54 |
| Numéro de publication | 7 |
| Les DOIs | |
| état | Publié - 3 juil. 2019 |
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Comparative acute toxicity of two phytosanitary molecules, lambda-cyhalothrin and acetamiprid, on Nile Tilapia (Oreochromis Niloticus) juveniles. / Guedegba, Nicresse L.; Imorou Toko, Ibrahim; Agbohessi, Prudencio T.; Zoumenou, Berny’s; Douny, Caroline; Mandiki, Robert; Schiffers, Bruno; Scippo, Marie Louise; Kestemont, Patrick.
Dans: Journal of Environmental Science and Health - Part B Pesticides, Food Contaminants, and Agricultural Wastes, Vol 54, Numéro 7, 03.07.2019, p. 580-589.Résultats de recherche: Contribution à un journal/une revue › Article
TY - JOUR
T1 - Comparative acute toxicity of two phytosanitary molecules, lambda-cyhalothrin and acetamiprid, on Nile Tilapia (Oreochromis Niloticus) juveniles
AU - Guedegba, Nicresse L.
AU - Imorou Toko, Ibrahim
AU - Agbohessi, Prudencio T.
AU - Zoumenou, Berny’s
AU - Douny, Caroline
AU - Mandiki, Robert
AU - Schiffers, Bruno
AU - Scippo, Marie Louise
AU - Kestemont, Patrick
PY - 2019/7/3
Y1 - 2019/7/3
N2 - This study aimed to compare the toxicity for fish of two active ingredients (lambda-cyhalothrin-20 g L −1, a pyrethroid, and acetamiprid-15 g L −1, a neonicotinoid) which are components of a commercial insecticide (Acer 35 EC) used in cotton crop in many West African countries. The juveniles of Oreochromis niloticus (4.01 ± 0.34 g, mean body weight) were exposed for 96 h to increasing concentrations of active ingredients (lambda-cyhalothrin and acetamiprid) or a mixture similar to Acer 35 EC (composed by 20 g of chemical compound lambda-cyhalothrin and 15 g of acetamiprid dissolved in 1 L of acetone). The experiments were carried out under controlled conditions in aquaria according to OECD Guidelines. During the experiments, the behavioral responses (loss of balance, color change, hyperactivity, etc.) that usually precede death were observed in exposed fish. Mortalities were recorded in each aquarium and the LC 50-96h of each chemical was determined. The LC 50-96h obtained were respectively 0.1268, 0.0029, 182.9 and 0.5685 ppm for Acer 35 EC, lambda-cyhalothrin, acetamiprid and mixture. All insecticides used in this study had profound impact on Nile tilapia behavior which may confirm the neurotoxicity of each single active compound as well as of their mixture.
AB - This study aimed to compare the toxicity for fish of two active ingredients (lambda-cyhalothrin-20 g L −1, a pyrethroid, and acetamiprid-15 g L −1, a neonicotinoid) which are components of a commercial insecticide (Acer 35 EC) used in cotton crop in many West African countries. The juveniles of Oreochromis niloticus (4.01 ± 0.34 g, mean body weight) were exposed for 96 h to increasing concentrations of active ingredients (lambda-cyhalothrin and acetamiprid) or a mixture similar to Acer 35 EC (composed by 20 g of chemical compound lambda-cyhalothrin and 15 g of acetamiprid dissolved in 1 L of acetone). The experiments were carried out under controlled conditions in aquaria according to OECD Guidelines. During the experiments, the behavioral responses (loss of balance, color change, hyperactivity, etc.) that usually precede death were observed in exposed fish. Mortalities were recorded in each aquarium and the LC 50-96h of each chemical was determined. The LC 50-96h obtained were respectively 0.1268, 0.0029, 182.9 and 0.5685 ppm for Acer 35 EC, lambda-cyhalothrin, acetamiprid and mixture. All insecticides used in this study had profound impact on Nile tilapia behavior which may confirm the neurotoxicity of each single active compound as well as of their mixture.
KW - acute toxicity
KW - behavioral responses
KW - LC50-96h
KW - neonicotinoids
KW - Nile tilapia
KW - Pyrethroids
UR - http://www.scopus.com/inward/record.url?scp=85068835681&partnerID=8YFLogxK
U2 - 10.1080/03601234.2019.1616986
DO - 10.1080/03601234.2019.1616986
M3 - Article
VL - 54
SP - 580
EP - 589
JO - Journal of Environmental Science and Health - Part B Pesticides, Food Contaminants, and Agricultural Wastes
JF - Journal of Environmental Science and Health - Part B Pesticides, Food Contaminants, and Agricultural Wastes
SN - 0360-1234
IS - 7
ER -