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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2018, Vol. 6, Issue 1
Toxicological effect of lead nitrate on haemogram of eri silk worm (Philosamia ricini)

Krishna Talukdar, Sunayan Bordoloi and Salma Mazid

Lead is a widespread heavy metal and environmental pollutant which is released into the environment as automobile exhaust. It is toxic and affects different organisms including plants and animals. The present study was conducted to investigate the effect of lead on the haemogram of eri silkworms as haemogram serves as an indicator of the physiological status of an organism. Lead in the form of inorganic salt, lead nitrate was added to castor leaves at three different concentrations and fed to the 4th and 5th instar larvae of eri silkworm for 3 days to evaluate their effect. The data revealed that Total Haemocyte Count (THC) and Differential Haemocyte Count (DHC) of larvae treated with lead nitrate were affected. Significant reduction in THC was recorded in both 4th and 5th instar larvae as compared to normal larvae. DHC of all the different haemocytes (PR, PL, GR, SP, OE) decreased more or less as compared to normal. Blood volume of the treated larvae also decreased slightly but the reduction was not significant.
Pages : 480-483 | 470 Views | 30 Downloads
How to cite this article:
Krishna Talukdar, Sunayan Bordoloi, Salma Mazid. Toxicological effect of lead nitrate on haemogram of eri silk worm (Philosamia ricini). J Entomol Zool Stud 2018;6(1):480-483.
Journal of Entomology and Zoology Studies
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