In ovo vaccination: proud past and promising future

The first commercial in ovo vaccination system was launched by Zoetis Animal Health Global Poultry (formerly Embrex) in 1992. Since that time Zoetis Global Poultry has maintained its position as the premier provider of in ovo vaccination technology.

In ovo vaccination has a number of biological and commercial advantages over subcutaneous vaccination on day of hatch:

• Immunity against disease is generated as early as possible and with minimal interference from maternally derived antibodies;
• Vaccine is delivered reliably and accurately every time in carefully controlled, hygienic conditions;
• The process is less labor intensive and less prone to human error than traditional subcutaneous vaccination methods;
• Chick handling is minimized, reducing bird stress and improving bird health;
• Birds can be transferred out of the hatchery more quickly and placed into the grow-out environment sooner.

Together, these advantages promote flock health, performance, and more efficient production.

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