The following publications cover topics related to Mizzou Repro — Reproductive Management of Beef Cattle. For a complete list of MU Extension publications, visit the main Publications page.

How to Use the Hair Shedding Scale

New

Hair shedding scores represent a visual appraisal of the extent an animal has shed their winter coat. This MU Extension guide is meant to provide further detail and guidance on hair shed scoring animals.

Hair Shedding Scores: A Tool to Select Heat Tolerant Cattle

Revised

Learn how hair shedding scores can help select heat-tolerant cattle, improving productivity and adaptability in challenging environments.

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

New

This MU Extension guide serves as a resource for producers interested in participating in Show-Me-Plus, including information on the importance of genomic testing and its ability to identify genetic variability and ultimately potential for profitability.

Assisting the Beef Cow at Calving Time

Reviewed

Six to 10 percent of all calves born in beef cow herds in the U.S. die at or soon after birth. About half of those deaths are due to calving difficulty (dystocia). The purpose of this guide is to acquaint cattle producers with calving management principles that will help minimize calf loss in their herds.

Pelvic Measurements and Calving Difficulty

Reviewed

Learn how pelvic measurements can help estimate calf birth weight and reduce calving difficulty in beef cattle.

Estrus Synchronization Recommendations for Artificial Insemination of Beef Cows

Revised

Learn about Select Synch, 7-Day CO-Synch + CIDR, 7 & 7 Synch, 5-Day CO-Synch + CIDR, PG 6-Day CIDR, and Bos indicus PG 5-Day CIDR estrus synchronization protocols for artificial insemination of beef cows in this University of Missouri Extension guide.

Estrus Synchronization Recommendations for Natural Service Bull Breeding

Revised

Learn about simple synchronization protocols the can be used effectively with natural service bull breeding that capture some benefits of estrus synchronization without the need to adopt an artificial insemination program in this MU Extension guide.

Estrus Synchronization Recommendations for Artificial Insemination of Beef Heifers

Revised

Learn about recommended protocols for artificial insemination of beef heifers using 1-Shot PG, 7-Day CO-Synch + CIDR, 5-Day CO-Synch + CIDR, 14-Day CIDR-PG, and MGA-PG in this University of Missouri Extension guide.

Whole System Management of Reproduction in Beef Cattle

Revised $45

By managing reproduction with a multiyear perspective and taking a whole system approach, beef cattle producers can manage both proactively and reactively to achieve profitable, sustainable reproductive outcomes. Learn more in this comprehensive manual.

Sexed Semen for Artificial Insemination: Recommendations and AI Approaches

Revised

Learn about using sexed semen in a planned mating of cattle and how it differs from conventional semen. Heat detection, fixed-time artificial insemination and split-time AI approaches are described in this University of Missouri Extension guide.

Reproductive Anatomy and Physiology of the Bull

Revised

Good reproductive performance of a bull is necessary to obtain a high percent calf crop when natural service is used for breeding. Gain a basic knowledge of the reproductive tract and an understanding of the bull’s reproductive system in this guide.

Understanding and Minimizing Pregnancy Loss in Cattle

New

Jordan Thomas
Assistant Professor, Animal Sciences

Genevieve VanWye
Graduate Research Assistant, Animal Sciences

Screening Criteria for Show-Me-Select Replacement Heifers

New

Jordan Thomas
Assistant Professor, Animal Sciences

Erin Larimore
Senior Research Specialist, Animal Sciences

Genevieve VanWye
Graduate Research Assistant, Animal Sciences

Determining Reproductive Fertility in Herd Bulls

Revised

Learn how to assess and enhance bull fertility through breeding soundness evaluations, puberty indicators, and nutrition strategies.​

Care and Maintenance of a Liquid Nitrogen Tank

Revised

Semen is a significant cost in a cattle artificial insemination program. Maintaining a liquid nitrogen tank’s integrity is key to protecting that investment. Learn how to properly care for and maintain a liquid nitrogen tank in this MU Extension guide.

Systems to Facilitate Multiple Services of Artificial Insemination in Beef Herds

New

Learn efficient systems for artificial insemination in beef herds to improve reproductive success and manage costs effectively.

Nutritional Management of Developing Heifers: Intensive Versus Extensive Systems

New

Eric Bailey
Assistant Professor, Animal Sciences

Jordan Thomas
Assistant Professor, Animal Sciences

Body Condition Scoring of Beef Cattle

New

Assess beef cattle fat reserves using a 1–9 body condition scoring system to inform feeding and management decisions throughout the production cycle.

Beef Cow Nutrition Through the Year: Managing for Efficient Reproduction

New

Eric Bailey
Assistant Professor, Animal Sciences

Jordan Thomas
Assistant Professor, Animal Sciences

Cow-Calf Systems That Minimize Cow Depreciation Costs

New

Jordan Thomas
Assistant Professor, Animal Sciences

Wesley Tucker
Field Specialist, Agricultural Business

Genevieve VanWye
Graduate Research Assistant, Animal Sciences

Determination of Pregnancy Status in Beef Herds

New

Pregnancy examination provides valuable information that enables cow-calf operations to make management decisions that increase profitability and improve long-term reproductive efficiency. Learn about several methods in this MU Extension guide.

Reproductive Management of Bos indicus-Influenced Beef Cattle

New

Bos indicus cattle present challenges with estrus synchronization. Learn about the timing of estrus onset for them, their susceptibility to stress, and considerations and expectations when breeding them in this University of Missouri Extension guide.

The Random Shuffle of Genes: Putting the E in EPD

Reviewed

Understanding EPD variability: how genetic shuffling during reproduction leads to differences among full siblings in cattle.

Artificial Insemination of Cattle Step by Step

New

Using correct techniques when performing artificial insemination on beef cattle can help ensure success and minimizing risk of injury. Learn how to deposit the semen in the proper location in the female reproductive tract while using sanitary techniques.

Herd Health Programs and Reproductive Efficiency of Beef Cattle

New

Comprehensive herd health programs enhance reproductive efficiency in beef cattle by addressing disease prevention, nutrition, and environmental stressors.​

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