VACCINE COMPOSITION COMPRISING BACTERIA CAUSING A DISEASE OF THE UPPER RESPIRATORY AND OF THE REPRODUCTIVE TRACT OF CHICKEN

摘要

The invention relates to vaccine composition comprising an inactivated Gram-negative, pleomorphic rod-shaped bacteria causing a disease of the upper respiratory and of the reproductive tract of chicken, wherein said bacteria are selected from the group of Pasteurella trehalosi and Mannheimia haemolytica, wherein said Pasteurella trehalosi or Mannheimia haemolytica are selected from the group of Pasteurella trehalosi ATCC No. PTA-3667, Pasteurella trehalosi ATCC No. PTA-3668 and Mannheimia haemolytica ATCC No. PTA-3669. Said Pasteurella or Mannheimia are beta haemolysis-positive, Gram-negative, oxidase-positive, catalase-positive, urease-negative, nitrate-positive and indole-negative, MacConkey positive, Glucose-positive, Sucrose-positive, Mannitol-positive, Arabinose-negative, Celobiose-negative, Xylose-positive, Salicin-negative, Ornithine-negative, Esculin-negative, alpha-Fucosidase-negative, and beta-Galactosidase-positive.