Effect of Brief Exposure to Paraquat on Some Blood Parameters of Juvenile Clarias gariepinus (Burchell, 1822) under laboratory conditions

Discovery and Innovation Pub Date : 2009-02-16 DOI:10.4314/DAI.V19I3.15796

U. Gabriel, G. Ezeri, P. M. Ikeme, E. E. Ikwut

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Abstract

Clarias gariepinus (mean weight, 100.34 ± 8.13g SD; mean total length, 19.02 ± 4.32 cm SD) were exposed (four fish/tank) to 0, 1.25, 2.50 and 5.00 mgl-1 paraquat solution in triplicate in rectangular glass aquaria (60.9 x 30.4 x 30.4 cm3) under a static condition for 72 hours to determine the effect of exposure on the haemoglobin (Hb), haematocrit (Ht), erythrocyte sedimentation rate (ESR), red blood cells (RBC) and its indices (mean corpuscular hacmoglobin, MCH; mean corpuscul or hacmoglobin concentration, MCHC and mean corpuscular volume (MCV)), differential counts (neutrophils, monocytes, lymphocytes, basophils and eosinophils) and leucocrit. There were no significant differences between the Hb, Ht, RBC, ESR, lymphocytes, monocytes and MCV of exposed fish and the control (p>0.05). However, there was a gradual increase in the values of Hb with increase in the concentration of the herbicide. The RBC indices MCH and MCHC of fish in the control significantly differed from that of fish exposed to 2.50, and 1.25 mgl-1, and 2.50 mgl-1 paraquat (p Keywords : Clarias gariepinus , blood parameters, paraquat, laboratory conditions. Discovery and Innovation Vol. 19 (3) 2007: pp. 163-167

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实验室条件下短暂暴露于百草枯对加里平Clarias gariepinus幼鱼某些血液参数的影响(Burchell, 1822)

Clarias gariepinus(平均体重，100.34±8.13g SD;在矩形玻璃水族箱(60.9 x 30.4 x 30.4 cm3)中静态暴露于0、1.25、2.50和5.00 mg / 1百草枯溶液中72小时，测定暴露对血红蛋白(Hb)、红细胞压积(Ht)、红细胞沉降率(ESR)、红细胞(RBC)及其指标(平均红细胞血红蛋白(MCH);平均红细胞或血红蛋白浓度，MCHC和平均红细胞体积(MCV))，差异计数(中性粒细胞，单核细胞，淋巴细胞，嗜碱性粒细胞和嗜酸性粒细胞)和白细胞。暴露鱼的Hb、Ht、RBC、ESR、淋巴细胞、单核细胞和MCV与对照组比较差异均无统计学意义(p < 0.05)。但随着除草剂浓度的增加，Hb值逐渐升高。对照鱼的红细胞MCH和MCHC与暴露于2.50、1.25 mg -1和2.50 mg -1百草枯的鱼有显著差异(p)。科学与创新，Vol. 19 (3)， 2007: pp. 163-167

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Discovery and Innovation

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