With calves weaned, veterinarians criss-cross the country conducting pregnancy checks, or preg checking, cow herds. The vet calls out and marks an “O” on the hips of “open” or non-pregnant cows.

DECADES of virology research that yielded the human papillomavirus (HPV) vaccine and identified the virus as a primary cause ...

Are you preparing for UPSC CSE Prelims 2026? Check your progress and revise your topics through this quiz on Environment and ...