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.

With calves weaned, veterinarians cross the country conducting pregnancy checks, or preg checking, cow herds. The vet calls ...

Ovarian follicle dynamics in cattle describe the intricate sequence of events whereby follicles develop, mature and, ultimately, influence reproductive outcomes. These dynamics encompass the emergence ...

Dr. Jim Donahue and his team at ReproHealth Technologies are tweaking the design on a device that allows a surrogate cow to incubate embryos. (IBJ photos/Eric Learned) Dr. Jim Donahue did not ...

The evolution of production and reproduction over the last 40 years has greatly influenced how we manage today’s dairy herds. The dairy industry’s “perfect cow” has changed dramatically over the past ...

NORWOOD YOUNG AMERICA, Minn. — Dairy cow reproduction is a concern of every dairy producer, and was a subject highlighted at the recent 15th annual Carver County/University of Minnesota Dairy Expo.

Oklahoma summer has arrived. Triple digit heat and high humidity this past week have affected most of the state, making it crucial to think about livestock well-being.