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Bursa-Vac 3 (Canada)

This page contains information on Bursa-Vac 3 for veterinary use.
The information provided typically includes the following:
  • Bursa-Vac 3 Indications
  • Warnings and cautions for Bursa-Vac 3
  • Direction and dosage information for Bursa-Vac 3

Bursa-Vac 3

This treatment applies to the following species:
Manufacturer: Merck Animal Health

Bursal Disease Vaccine

Live Virus


Intraocular or Drinking Water Administration

Use only in chickens to be placed on premises with a history of Infectious Bursal Disease.



This vaccine contains an attenuated strain of Infectious Bursal Disease (IBD) virus.

Bursa-Vac 3 Indications

When administered properly to healthy, susceptible chickens, BURSA-VAC 3 vaccine is recommended for the vaccination of chickens by the intraocular route of administration at one day of age or by drinking water route at 14 days of age as an aid in the prevention of Bursal Disease. Use only on premises with a history of IBD infection.

Vaccination Programs

Many factors must be considered in determining the proper vaccination program for a particular farm or poultry operation. To be fully effective, the vaccine must be administered to healthy immunocompetent chickens held in a proper environment under good management. In addition, the response may be modified by the age of the chickens and their immune status. Seldom does one vaccination under field conditions produce complete protection for all individuals in a given flock. The amount of protection required will vary with the type of operation and the degree of exposure that a flock is likely to encounter. For these reasons a program of periodic revaccination may be required.


Only vaccinate healthy chickens

Consult your poultry pathologist for further recommendations based on conditions existing in your area at any given time. All susceptible chickens on the same premises should be vaccinated at the same time. If this is not possible, then strict isolation and separate caretakers should be employed for non-vaccinated units. Efforts should be taken to reduce stress conditions at the time the vaccine is administered.

Care should be taken to avoid the spread of virus from vaccinated flocks to clean premises.

Rehydration Of The Vaccine

For intraocular use

1. Tear off the aluminum seal from the vial containing the dried vaccine.

2. Lift off the rubber stopper.

3. Remove the plastic screw-cap and applicator insert from the polyethylene bottle of diluent.

4. Pour a small amount of diluent in the vial of dried vaccine.

5. Replace the rubber stopper and shake.

6. Pour the partly dissolved vaccine into the bottle containing the rest of the diluent.

7. Replace the plastic applicator insert and screw-cap and shake vigorously until all material is dissolved.

Intraocular Administration (10 X 1,000 Doses Only)

For Chickens One Day Of Age Or Older

Rehydrate vaccine as directed above.

Place one full drop of vaccine into the open eye. Do not release the chicken until after it has swallowed.

Rehydration Of The Vaccine

For drinking water use

1. Tear off the aluminum seal from the vial containing the dried vaccine.

2. Lift off the rubber stopper.

3. Carefully pour clean, cool, non-chlorinated water until the vial is approximately 2/3 full.

4. Replace the rubber stopper and shake vigorously until all the material is dissolved.

5. The vaccine is now ready for drinking water use in accordance with directions below.

Drinking Water Administration

For vaccination of healthy susceptible chickens at 14 days of age

1. Remove all medication, sanitizers, and disinfectants from the drinking water, preferably 72 hours before vaccination, and 24 hours following vaccination.

2. Provide enough watering space so that at least 2/3 of the chickens can drink at one time.

3. Scrub waterers thoroughly and rinse with fresh, clean water.

4. Withhold water for 2 hours before vaccinating to stimulate thirst.

5. Rehydrate the vaccine as directed above.

6. Add rehydrated vaccine at the rate of 9.5 liters (2.1 Imp. gal.) per 1,000 doses to clean, cool, non-chlorinated water.

7. Distribute the vaccine solution, as prepared above among the waterers provided for the chickens. Avoid placing waterers in direct sunlight.

8. Provide no other drinking water until all the vaccine treated water has been consumed.

Bursa-Vac 3 Caution

For veterinary use only.

Use entire contents of each vial when first opened.

Do not vaccinate within 21 days before slaughter.

Store vaccine in refrigerator under 7°C (45°F).

Gentamicin is added as a preservative.

Burn containers and all unused contents.

The capacity of this vaccine to produce satisfactory results depends on many factors including, but not limited to, conditions of storage and handling by the user, administration of the vaccine, health and responsiveness of individual animals and degree of field exposure. Therefore, directions for use should be followed carefully.

® Registered trademark of Schering-Plough Animal Health Corporation, used under license by Intervet Canada Corp.

Manufactured by: Intervet Inc., Millsboro, Delaware 19966 U.S.A

U.S. Veterinary License No. 165A

For: Intervet Canada Corp., 16750, route Transcanadienne, Kirkland QC, H9H 4M7

For technical enquiries, call toll free 1 888 306-0069.



Product code


10 x 1,000 DOSE VIALS
Rehydrate as directed

Intraocular or Drinking Water Administration



10 x 10,000 DOSE VIALS
Rehydrate as directed

Drinking Water Administration



NAC No.: 12080154

Intervet Canada Corp.

Order Desk:   514-428-7013
Toll-Free:   866-683-7838
Fax:   Toll-free 888-498-4444; local 514-428-7014
Every effort has been made to ensure the accuracy of the Bursa-Vac 3 information published above. However, it remains the responsibility of the readers to familiarize themselves with the product information contained on the Canadian product label or package insert.

Copyright © 2018 North American Compendiums. Updated: 2018-03-29