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Chaudhary Charan Singh Haryana Agricultural University, Hisar

Chaudhary Charan Singh Haryana Agricultural University popularly known as HAU, is one of Asia's biggest agricultural universities, located at Hisar in the Indian state of Haryana. It is named after India's seventh Prime Minister, Chaudhary Charan Singh. It is a leader in agricultural research in India and contributed significantly to Green Revolution and White Revolution in India in the 1960s and 70s. It has a very large campus and has several research centres throughout the state. It won the Indian Council of Agricultural Research's Award for the Best Institute in 1997. HAU was initially a campus of Punjab Agricultural University, Ludhiana. After the formation of Haryana in 1966, it became an autonomous institution on February 2, 1970 through a Presidential Ordinance, later ratified as Haryana and Punjab Agricultural Universities Act, 1970, passed by the Lok Sabha on March 29, 1970. A. L. Fletcher, the first Vice-Chancellor of the university, was instrumental in its initial growth.

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Subject: Zoology × End date: 2019 × Start date: 2019 × Type: Thesis × Thesis Type: Ph.D ×
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    ThesisItemOpen Access
    Study of heavy metals toxicity on biomolecules composition, antioxidant system and genotoxicity in Eudrilus eugeniae (Kinberg, 1867)
    (CCSHAU, 2019) Shefali; Gupta, R.K.
    The present study was carried out to analyze the toxicity of arsenic and chromium on E. eugeniae. Paper contact toxicity test was used to determine LC50. LC50 of arsenic and chromium against adult E. eugeniae was 2.09% and 0.13%, respectively that confirms the higher toxicity of chromium as compared to arsenic. The biomolecule composition and antioxidant response in the earthworms, E. eugeniae, exposed to heavy metals were investigated. The carbohydrate, lipid and protein content were decreased with exposure to heavy metals. The changes in the levels of antioxidant enzymes superoxide dismutase (SOD), catalase (CAT) and peroxidase (POD) were used as functional biomarkers to determine the effect of metals on earthworms. DNA damages were evaluated on the earthworm’s coelomocytes using the comet assay. After an exposure into soils, arsenic and chromium revealed to be genotoxic at higher doses after 28 d of exposure.