Vishnu Vadera

Validation and Procedural Refinement of a Breed-specific Ovum Pick-Up Protocol in Tharparkar Cows

Uttam Kumar Sahu, Brijesh Kumar, M. H. Khan, Mayank Singh, Chinmay Warghat, Vishnu Vadera & V. S. Chouhan · Asian Journal of Biotechnology and Bioresource Technology · 2026

Ovum pick-up (OPU) is a transvaginal ultrasound-guided technique used for repeated follicular aspiration and in vitro embryo production in cattle. Procedural variables such as needle gauge, aspiration pressure, flow rate, follicle size, synchronization strategy, and temperature i...

Open access Research Article 10.9734/ajb2t/2026/v12i1285

High-Rise Syndrome Associated Stillbirth and Obstructive Dystocia in a Pregnant Rhesus Macaque (Macaca mulatta)

Adhithya Muththuswamy J., Uttam Kumar Sahu, Brijesh Kumar, Pratyanshu Srivastava, Anurag Patel, Mahima Porwal, Vishnu Vadera, Mayank Singh, A. M. Pawde, Vandana & Narayanan Krishnaswamy · Journal of Scientific Research and Reports · 2026

Stillbirth in non-human primates represents failure of the maternal–fetal–placental unit and may result from abnormal fetal presentation, maternal compromise, or trauma. In rhesus macaques, mean gestation length is approximately 166 ± 3 days, and normal neonatal birth weight rang...

Open access Research Article 10.9734/jsrr/2026/v32i34025