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Studies on the effect of deltamethrin on the respiratory rate and some blood parameters of Heteropneustes fossilis (Bloch)

Ragini Ranu*& Arun Kumar
University Deptartment of Zoology, B.N.Mandal University, Madhepura, Bihar, India
Received :13th October 2018; Revised : 23rd January 2019

Abstract : This study was to assess the effects of deltamethrin on some haematological parameters of Heteropneustes fossilis (Bloch). For 4 days, 30 Heteropneustes fossilis were exposed to two different concentrations of Deltamethrin which were 20% (0.91 ìg·L-1) and 40% (1.88 ìg·L-1) respectively. The results obtained from this study showed that the White Blood Cell (WBC), Haemoglobin content (Hb), Hematocrit percentage (PCV), Mean Corpuscular Volume (MCV) and Mean Corpuscular Hemoglobin (MCH) were decreased in treated groups when compared to the control (p<0.05). However, the number of Red Blood Cell (RBC) increased in deltamethrin treated fish (p<0.05). Mean Corpuscular Hemoglobin Concentration (MCHC) values were insignificant when compared to control group (p>0.05).

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