ICAR-IVRI’s OPU-IVF-ET breakthrough in Sahiwal calves: key facts for TNPSC

Direct fact

In February 2026, the ICAR–Indian Veterinary Research Institute (ICAR–IVRI), Izatnagar in Bareilly, produced 5 healthy Sahiwal calves using the OPU–IVF–ET protocol for the first time in this breed.

Key specifics

• 5 calves were born within a 5-day period starting 28 February 2026.
• The work was done at ICAR–IVRI, Izatnagar, Bareilly, under the OPU–IVF–ET method.
• The donor cow produced over 12 litres of milk per day, showing high genetic merit.
• The proven bull used for semen had a maternal lactation yield of about 3,320 kg.
• The project began in 2022–23 and also targets Tharparkar cattle and Murrah buffalo.

Exam lens

Science & technology question type: match-the-following and factual recall, ICAR–IVRI, OPU–IVF–ET, Sahiwal breed, 28 February 2026, 5 calves, 47% blastocyst rate. TNPSC may ask which institute achieved the first successful protocol in indigenous cattle.