BVD Control by Vaccination

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BVDControl by Vaccination

• Wayne Clough
• Pfizer Animal Health NZ

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BVD Control - Objectives

• Prevent infection in calves
• Scours ill thrift
• Prevent infection in breeding cattle
• Production loss
• Infertility/reproductive failure
• Foetal infection PIs
• No PIs No BVD

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PregSure BVD
Killed BVD vaccine 2 ml dose Subcutaneous
injection Two shots, 3 weeks apart Single
annual booster Prevent disease, foetal
infection, reproductive losses At least 12
months duration of immunity
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BVD Vaccination - Calves

• Vaccinate calves from 3 months of age
• 2 ml dose, subcutaneous
• Two shots, 3 weeks apart
• Annual booster single 2 ml shot s/c

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BVD Vaccination Breeding cattle

• Single annual booster
• Or two shots if not previously vaccinated
• Ideal timing booster 2 - 4 weeks pre-mating
• maximum immunity through critical stages of
  pregnancy
• With PregSure other booster timing can be used as
  12 months duration of immunity

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Vaccination of Bulls

• All bulls must be BVD tested certified BVD free
• Vaccination is recommended
• Bulls that are transiently infected (TI)
• shed virus in their semen
• subfertile for several weeks
• Two shots, 3 weeks apart completed at least 2
  weeks before service

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Should I vaccinate calves, heifers or cows?

• You should not ignore BVD.
• You should control BVD in calves, heifers cows.
• Test Cull
• Biosecurity
• Vaccination
• Your Control Objectives
• Your BVD Disease History
• Your Test results
• Your Risk profile/personality
• Your Ability to manage risk

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Purchased Cattle (Calves/Hfrs/ Cows/Beef)
Service Bulls
BVD Risk Management
Herd or Carry Over Cows Off farm/ Winter Grazing
Herd
Heifers
Calves/Heifers Off farm/ Communal Grazing
Beef
Calves
Over the fence
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Questions?