One Shot

Pfizer - Bacterin-toxoid for vaccination of healthy cattle as an aid in the prevention of pasteurella haemolytica type A1.

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Dosage: Inject 2 ml SQ at least 14 days prior to weaning, shipping or exposure to stress or infectious conditions. A booster is receommended whenever subsequent stress or exposure is likely. 21 day slaughter withdrawal.

ONE SHOT® is an inactivated freeze-dried product prepared from whole cultures propagated to increase the production of leukotoxin and capsular and cell-associated antigens. A sterile diluent containing adjuvant to enhance the immune response is used to rehydrate the freeze-dried bacterin-toxoid.

General Directions: Vaccination of healthy cattle is recommended. Aseptically rehydrate the freeze-dried bacterin-toxoid with the accompanying adjuvant-containing sterile diluent, shake well, and administer 2 mL subcutaneously. In accordance with Beef Quality Assurance guidelines, this product should be administered subcutaneously (SC) under the skin. Healthy cattle should be vaccinated a minimum of 14 days prior to weaning, shipping, or exposure to stress or infectious conditions.

2. Primary Vaccination: Administer a single dose to healthy cattle. Only a single dose is necessary to confer active immunity. Good management practices support revaccination whenever subsequent stress or exposure is likely.


3. Good animal husbandry and herd health management practices should be employed.


As with many vaccines, anaphylaxis may occur after use. Initial antidote of epinephrine is recommended and should be followed with appropriate supportive therapy.

This product has been shown to be efficacious in healthy animals. A protective immune response may not be elicited if animals are incubating an infectious disease, are malnourished or parasitized, are stressed due to shipment or environmental conditions, are otherwise immunocompromised, or the vaccine is not administered in accordance with label directions.

21 day slaughter withdrawl


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