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May Beef Management Calendar
Livestock Update, May 2005
John B. Hall, Extension Animal Scientist, Beef, Virginia Tech
Spring Calving Herds
- Calving should be coming to an end
- Give pre-breeding vaccinations to cows - IBR, PI3, BVD, BRSV and Lepto
Use modified live vaccines on open cows with calves; killed vaccines on pregnant cows
- Begin estrous synchronization programs for AI (begin AI this month some herds)
- Breed heifers 2 to 4 weeks before cows
- Get breeding soundness exams done on bulls
- Supplement 1st calf heifers with energy through breeding
- Implant calves at turnout if not implanted at birth
- Keep high quality, high magnesium, high selenium minerals available
- Make 1st cutting of hay
- Start creep grazing and/or managed intensive grazing
Fall Calving Herds
- Creep graze calves while on cows
- Give vaccinations for Virginia Quality Assured program (VQA)
- Wean calves based on marketing plan for calves - must be weaned 45 days for VQA weaned program
- Implant calves at turnout
- Deworm calves if needed
- Make 1st cutting of hay
- Continue feeding high magnesium minerals to prevent grass tetany
- Continue managed intensive grazing; hay pastures with excess forage
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