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Effect of Carbofuran on Haematological Parameters of Channa Punctatus (Bloch)

Ashaduzzaman, Md Durul Huda, Md Anisur Rahman, Md Mosharrof Hossain, Farzana Ashrafi Neela, Sultana Sultana, Sarmin Akther and Md Habibur Rahman

The present study was aimed to investigate the effect of carbofuran on haematological parameters of Channa punctatus (Bloch) was investigated. Carbofuran produced detrimental effects on haematological parameters of C. punctatus after 12, 24, 48 and 96 h exposure to 1, 5 and 10 ppm of the insecticide. The haemoglobin content was 85.0 ± 00 % in control group that was gradually reduced to 66.0 ± 5.28% (p=0.011, p<0.05) at 10 ppm. The result also revealed significant reduction in the number of leucocytes (control 15.0 ± 00, treated group 8.75 ± 0.85, p=0.0006, p<0.001), lymphocytes (control group 55 ± 00, treated group 48.75 ± 1.75, p=0.013, p<0.05), basophils (control group 3.0 ± 00, treated group 2.5 ± 0.29, p=0.097, p<0.1), monocytes (control group 5.0 ± 00, treated group 2.50 ± 0.65, p=0.008, p<0.001) and thrombocytes (control group 50.0 ± 00, treated group 39.75 ± 1.65, p=0.0008, p<0.001). However the number of eosinophils (control group 5.0 ± 00, treated group 6.0 ± 0.41, p=0.16, p>0.1) and neutrophil (control group 31.0 ± 00, treated group 39.75 ± 1.75, p=0.0025, p<0.005) were increased in treated group comparing to that of control group.
The ESR (mm/hr) values increased in treated groups as 7.9 ± 1.3 (p>0.1) 7.98 ± 1.28 (p>0.1) and 8.25 ± 1.35 (p>0.1) from 5.5 ± 0.50 of control groups by 1, 5 and 10 ppm exposures respectively.