Beef cattle breeding

Beef Extension

The beef industry is viable and strong in Missouri — ranking among the nation's leaders in beef cattle production. Beef Extension offers resources for Missouri’s beef industry on nutrition, reproduction, health, forages, environmental management, business management and more.

Mizzou Repro — Reproductive Management of Beef Cattle

The Mizzou Repro mission is to improve the profitability and sustainability of beef cattle farms and ranches in the state of Missouri and across the United States. Reproductive performance is one of the critical drivers of profitability and sustainability of cow herds.

Adding Value to Show-Me-Select Replacement Heifers Using Show-Me-Plus

Understanding and Using Sire Summaries: BIF Fact Sheet

Beef Production Glossary: BIF Fact Sheet

Crossbreeding Systems for Small Herds of Beef Cattle

October 21, 2025 - October 23, 2025

Fall Cattle Artificial Insemination School

Nov. 21 Show-Me-Select sale offers 275 high-quality spring-calving heifers

October 6, 2025

Have you scheduled your bull breeding soundness exam?

October 1, 2025

SW Missouri All Breeds Performance Tested Bull Sale set for Oct. 27 in Springfield

October 1, 2025

Early pregnancy checking and culling open heifers improves efficiency, bottom line

July 30, 2025

Estrus and Fertility to Timed Artificial Insemination

YouTube video explaining how modern timed AI protocols for beef cattle don't require estrus detection. Knowing what proportion of your cows or heifers have expressed estrus before timed AI can be valuable information. By Jordan Thomas, Ph.D.

Missouri Steer Feedout 2022 brochure (PDF)

Learn the procedures for this year’s Missouri Steer Feedout, an educational program through which cattle producers learn about the genetics and management of calves, gain experience feeding cattle, and more.

Missouri Steer Feedout 2022 entry form (PDF)

Enter a minimum of five steer calves born after Jan. 1, 2022, for $20 per head in the 2022 Missouri Steer Feedout, an educational program for cattle producers. Entry deadline is Oct. 10.

Mizzou Repro YouTube channel

Learn about artificial insemination (AI), estrus synchronization, genetic selection, heifer development, calving assistance and more in these videos on the reproductive management of beef cattle by the Mizzou Repro program.

Field Specialist in Livestock

Field Specialist in Livestock

Extension Engagement Specialist

Field Specialist in Livestock

Associate Extension Professor, Extension Veterinary Medicine

Cecilia Constantino Rocha

Research Assistant Professor & State Extension Specialist in Livestock Systems

Amie Schleicher

Field Specialist in Livestock

Assistant Professor