Orion-yhtyma Oy

Pirjo Marja-Leena Veijalainen

Esko Viljo Nurmi

Carita Elisabeth Schneitz

An improved method of competitively excluding pathogens capable of intestinal colonization, such as Salmonella or Cambylobacter, from a digestive tract of a bird comprises administration in ovo to a fertile bird egg of a competitive exclusion (CE) culture essentially free from bacteria which abundantly form gas such as Clostridium species. The CE culture may be any CE culture essentially free from abundant gas forming bacteria which culture is derived from a digestive tract of a bird free from pathogens. The CE culture may be administered either into the air cell or the amnion of a fertile bird egg, preferably into the amnion.

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Helsinki, Finland

Pirjo Marja-Leena Veijalainen