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University of Agricultural Sciences, Bengaluru

University of Agricultural Sciences Bangalore, a premier institution of agricultural education and research in the country, began as a small agricultural research farm in 1899 on 30 acres of land donated by Her Excellency Maharani Kempa Nanjammanni Vani Vilasa Sannidhiyavaru, the Regent of Mysore and appointed Dr. Lehmann, German Scientist to initiate research on soil crop response with a Laboratory in the Directorate of Agriculture. Later under the initiative of the Dewan of Mysore Sir M. Vishweshwaraiah, the Mysore Agriculture Residential School was established in 1913 at Hebbal which offered Licentiate in Agriculture and later offered a diploma programme in agriculture during 1920. The School was upgraded to Agriculture Collegein 1946 which offered four year degree programs in Agriculture. The Government of Mysore headed by Sri. S. Nijalingappa, the then Chief Minister, established the University of Agricultural Sciences on the pattern of Land Grant College system of USA and the University of Agricultural Sciences Act No. 22 was passed in Legislative Assembly in 1963. Dr. Zakir Hussain, the Vice President of India inaugurated the University on 21st August 1964.

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Subject: Agricultural Entomology × Author: ASHA, S × End date: 2023 × Start date: 2020 × Thesis Type: M.Sc ×
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    ThesisItemOpen Access
    INVESTIGATION ON THE FEEDING OF PAPAYA SEEDS ON REPRODUCTION IN MALE RAT, Rattus rattus L
    (University of Agricultural Sciences, Bangalore, 2022-01-08) ASHA, S; Dr. MOHAN I. NAIK
    Investigation on the feeding of papaya seeds on reproduction in male rat, Rattus rattus L., was conducted at AINP on VPM, Department of Agricultural Entomology UAS, GKVK, Bengaluru. In untreated rats, during post-natal development there was a substantial rise in body weight, sperm parameters, bio-chemicals profile with age. The male rats were fed with papaya seeds powder at 1 g, 1.5 g and 2 g with 25 g normal bait (11.25 g rice + 11.25 g ragi + 1.25 g groundnut oil+ 1.25 g jaggery) for 15, 30 and 60 days continuously in a separate cage. The results indicated that feeding of papaya seeds powder with the normal bait at 1.5 g and 2 g for 60 and 2 g for 30 days were found to be effective in inducing sterility by significantly reducing the weight of reproductive organs, sperm parameters, level of enzymes in testis, cholesterol, proteins and glucose contents of serum. Besides, there was a reduction in testosterone, FSH and LH which helps spermatogenesis. Mating success was reduced to 33.33 per cent when fed with 2 g papaya seeds with normal bait for 60 days, compared to control. Histological sections of testes revealed a remarkable decrease in diameter of seminiferous tubules, thickness of germinal epithelium in treated male rats. There was existence of reversible effect at 15 and 30 days exposure (partial recovery) and at 60 days exposure the irreversible effect was recorded even after 30 days of treatment withdrawal in sperm parameters and biochemicals.