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John B. Hall

Title Summary Date ID Author(s)
Body Condition Scoring Beef Cows

Body condition scoring (BCS) is a useful management tool for distinguishing differences in nutritional needs of beef cows in the herd. This system uses a numeric score to estimate body energy reserves in the cow.

May 1, 2009 400-795
Calving Emergencies in Beef Cattle: Identification and Prevention

Calving difficulty, technically called dystocia, is a major cause of death loss in cow-calf herds. CHAPA (Cow-calf Health and Productivity Audit) studies indicate that dystocia is responsible for 33 percent of all calf losses and 15.4 percent of beef cattle breeding losses.

May 1, 2009 400-018
Cattle Identification: Freeze Branding

Individual animal identification is essential if beef producers are to properly manage animals and their production records. Yet at present, less than 50 percent of the cattle in the United States have any form of individual identification (USDA-APHIS, 1997).

May 1, 2009 400-301
Cow-Calf Manager: Value of Creep Feeding Depends on Forage May 8, 2009
Estrus Synchronization for Heifers

Developing replacement heifers is the most expensive enterprise in the cow-calf operation. You can increase returns to heifer development if the heifers calve at 24 months of age and calve early in the calving season.

May 1, 2009 400-302
GnRH Based Estrus Synchronization Systems for Beef Cows

New systems of synchronizing estrus (heat) in cows for artificial insemination (AI) have been developed using commercially available Gonadotropin Releasing Hormone (GnRH). These systems allow producers to artificially inseminate cows with little or no heat detection. For the first time, producers have a reliable system that results in acceptable pregnancy rates to timed AI.

May 1, 2009 400-013
Making the Most of Tall Fescue in Virginia May 1, 2009 418-050
Nutrition and Feeding of the Cow-Calf Herd: Digestive System of the Cow May 1, 2009 400-010
Nutrition and Feeding of the Cow-Calf Herd: Essential Nutrients, Feed Classification and Nutrient Content of Feeds

Essential nutrients are nutrients that are needed by all living things. These nutrients must either be fed or made by the animals from building blocks obtained through eating, drinking, or breathing.

May 1, 2009 400-011
Nutrition and Feeding of the Cow-Calf Herd: Production Cycle Nutrition and Nutrient Requirements of Cows, Pregnant Heifers and Bulls

Developing diets and feeding strategies for the cowherd is facilitated by a basic understanding of the production cycle of the cow and her changing nutrient requirements. By knowing and anticipating the changing nutritional needs of the cow, producers can plan their feeding programs and lower feed costs.

May 1, 2009 400-012
Virginia Cow Herd Performance Check-Up

Profitability of the cow/calf enterprise within any particular year is impacted by several factors. A cursory analysis of the most basic farm records can quantify important issues affecting herd success such as reproductive performance, calf growth and weaning weight, calf health performance, market price, and herd turnover.

May 1, 2009 400-791
What is Age and Source Verification? May 8, 2009