Abstract: The present invention relates to an N-glycosylated protein for treating and/or preventing bacterial Pasteurellaceae infection in a mammal or bird, wherein the protein is a Pasteurellaceae protein, a functional fragment or derivative thereof having at least one glycosylated N-X-S/T consensus sequence. In addition, the present invention is directed to corresponding pharmaceutical compositions for treating and/or protecting mammals or birds having or being prone to develop a bacterial Pasteurellaceae infection. Furthermore, the invention describes methods for producing said N-glycosylated proteins.