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Birsa Agricultural University, Ranchi

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1993 - 19963
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Subject: Veterinary Gynaecology and Obstetrics × End date: 1997 × Start date: 1993 × Type: Thesis × Thesis Type: Ph.D ×
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    ThesisItemOpen Access
    Role of Hormones in Reproduction Management of Swine
    (Birsa Agricultural University, Ranchi, 1996) Shishir Kumar Harichandanray; Dr. A. K. Sinha
    1.Synchronized farrowing during day time on working days was possible either through intramuscular route (PG 5 mg) or IVSM route with a considerable low (1mg) dose of PG. 11. Termination of pregnancy with PG (day 111) revealed no adverse effect on piglet size or weight at birth. 111. Induced farrowed sows recorded significantly shorter weaning to fertile estrus interval. iv. Addition of oxytocin or EV to PG (5 mg) resulted in more precise farrowing (LWY) by shortening induction interval. V. Post parturient PG treatment (LWY) significantly increased piglet survivability and weight gain. Significantly shorter weaning to fertile estrus interval was recorded in the treated pigs. vi. The piglet born out of PG treated mother weaned at day 40, 45 or 50 consistently showed higher body weight than control. Vii .Application of PMSG (500 IU) alone or in combination with HCG (500 IU) at 24 hrs of weaning resulted in a significantly earlier post weaning estrus with higher CR than control. viii. Administration of HCG to sows at day 12 of service had a significant increase on piglet weight at birth.
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    ThesisItemOpen Access
    Studies on Fresh and frozen Embryo Transfer in Black Bengal Goats
    (Birsa Agricultural University, Ranchi, 1993) Om Prakash MIshra; J.N.Pandey
    It may thus be concluded that the technique utilized for Fresh & Frozen embryo transfer can be successfully utilized to produce goats of superior genetic merit. The superovulatory treatment did not have any adverse effect on the follicular fluid composition. The protocol used for addition of cryoprotactant, Freezing, Thawing & Dilution was found suitable for caprine embryos Freezing. Hoesht dye, 333427 was found suitable for staining of caprine embryos nuclear material. No marked abnormality was observed histologically in uterus and fallopian tube due to super-ovulatory treatment.
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    ThesisItemOpen Access
    Studies on Liquid Preservation and Potential Fertility of Boar Semen
    (Birsa Agricultural University, Ranchi, 1993) Ram Pravesh Pandey; Dr. B. K. Singh
    1. Kiev dilutor proved to be the most suitable extender for preservation of boar semen at 15 - 20°c. 2. Both Kiev and BTS dilutors maintained acrosome integrity, sperm motility and live sperm percentage more effectively as compared to BL-1 up to 72 hours of preservation. 3. Gentamycin was most effective against both Gram +ve and Gram -ve bacterial genera, isolated from boar ejaculates 4. Penicillin and streptomycin which are commonly added to boar semen extender were observed to be least effective against Gram +ve and Gram -ve bacteria. 5. Quantitative estimation of transaminases, lact dehydrogenase and alkaline phosphatase can serve as perfect indicator for assessing sperm quality during preservation. 6. Preservation time and extenders used for diluting boar semen had no effect on litter size. 7. Artificial insemination in pigs gave 69.11 per cent farowing rate with freshly diluted semen and 61.62, 53.02 and 51.28 per cent respectively after 24, 48 and 72 hours of preservation.