Uttam Kumar Sahu

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

Exploring Nanoparticle-based Approaches to Improve Semen Freezability in Domestic Animals

Pratyanshu Srivastava, Sushil Kumar, Neeraj Srivastava, Uttam Kumar Sahu, Anoop Kumar, Shubhangi Prakash Suryawanshi, Amala Jackson, Usha Yadav & Amrita Priyadershi · Asian Journal of Biotechnology and Bioresource Technology · 2026

Semen cryopreservation is an indispensable tool in animal reproductive biotechnology, supporting long-term genetic conservation, artificial insemination, selective breeding and livestock improvement programmes. However, the freeze-thaw process can induce substantial cryoinjury in...

Open access Research Article 10.9734/ajb2t/2026/v12i3304