Abstract
Cypermethrin was administered orally to two groups of chicks Cr, 250 ing/kg body weight (strong dose, only once) and 151) mg/kg body weight/day (weak dose) for a total duration of 40 hours and 12 days, respectively. A group of five chicks were dissected at the intervals of 5, 10,. 20 and 40 hours of toxicant feeding in strong dose (short term) experiment and at 3, 6 and 12 days durations in weak dose (long term) experiment. Blood samples were collected and processed for various haematological parameters which did not show any severe abnormality in both strong and weak dose experiments, except some changes in HI) and MCHC contents. The HI) content increased significantly by 18% within 5 hours, followed by decreasing trend. At 10 hours cypermethrin treatment increase was 16% which was reduced to 6% at 20 hours while at 40 hours significant decrease of 11 % was observed. 1VICHC content raised by 13% and 14% at 5 and 10 hours of insecticide feeding. The only parameter, that showed significant change in both experiments was WBC count, which was increased by 75%, 48%, 86% and 62% at 5, 10, 20 and 40 hours in short term experiment, while in long term treatment 28%. rise was observed at 6 days insecticide treatment. All other compounds such as RBC, PCV, MCV and MCH remained unaffected in both treatments.
SYED SHAHID ALI , SAIMA SADIQ MIR. (1998) CYPERMETHRIN TOXICOSIS IN THE CHICKS OF DOMESTIC FOWL, GALLUS DOMESTICUS: HAEMATOLOGICAL STUDIES, Punjab University Journal of Zoology, Volume 13, Issue 1.
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