Description
Eryvac for Lambs and Sheep
Eryvac is a Zoetis vaccine registered for the control of erysipelas arthritis in lambs and sheep. This condition damages joints and causes arthritis, leading to production losses across all sheep-producing regions of Australia.
Why Choose Eryvac?
Eryvac provides strong protection against erysipelas arthritis, improving flock health and reducing costly losses. It helps prevent lameness, supports weight gain, and reduces condemnations at processing. Because of this, it is widely used by producers to safeguard animal welfare and farm profitability.
Key Benefits
- Protects flocks from erysipelas arthritis.
- Improves weaning percentages where arthritis is a risk.
- Reduces tailing issues in affected mobs.
- Lowers abattoir trim and condemnations.
- Registered for use in ewes from joining through pregnancy, including scanning.
- Safe for lambs from three weeks of age.
Recommendations for Use
Eryvac controls Erysipelothrix rhusiopathiae arthritis in all sheep classes. Infection can lead to:
- Lameness and reduced mobility.
- Transport issues due to animals not being fit to load.
- Poor weight gain and reduced growth.
- Processing losses at the abattoir.
- Chronic arthritis, resulting in poor body condition and lower wool growth.
The Zoetis Advantage
- Eryvac is produced using Zoetis ultrafiltration technology, which removes impurities for a purer, more effective vaccine.
- Generates a targeted immune response with reliable protection.
- Convenient 1 mL dose for all sheep classes.
- A complete Eryvac program pays for itself by saving as few as 1 in 200 lambs.
- Proven profitability benefits: up to $0.82/DSE in prime lamb flocks and $0.59/DSE in fine wool flocks.1
Dosage and Administration
- Dose rate: 1 mL subcutaneous injection into the neck using a shrouded vaccinator and 18-gauge needle.
- Lambs: Two doses – priming at marking, booster at weaning.
- Previously unvaccinated ewes: Two doses – priming at joining or scanning, booster 4 weeks before lambing.
- Other unvaccinated sheep: Two doses – priming and booster 4 weeks apart.
- Previously vaccinated sheep: Annual booster 4 weeks before lambing. This passes temporary immunity to lambs through colostrum.
Storage and Handling
- Store between 2°C and 8°C. Do not freeze.
- Protect from light.
- Use within 30 days of opening, following proper storage and cleaning steps.
- Do not leave vaccine in delivery tube or vaccinator overnight.
Applicator Recommendations
- Clean and maintain vaccinator daily as per manufacturer instructions.
- Do not use disinfectants on the vaccination site or equipment.
- Replace needles regularly to ensure sharpness
Pack Sizes
Available in 250 mL and 500 mL
Technical Information
These documents provide verified product information for safety, handling and regulatory compliance.
- Safety Data Sheet (SDS): Eryvac_Vaccine_SDS_0225
- Product Label: ERYVAC VACCINE_LABEL_APVMA
- APVMA Product Registration Number: 53385





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