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===Overview===
===Overview===
*''B. bronchiseptica'' infects a wide range of animal species worldwide
*[[Bordetella bronchiseptica|''B. bronchiseptica'']] infects a wide range of animal species worldwide
*''B. avium'' resticted to birds
*[[Bordetella avium|''B. avium'']] resticted to birds
*Normal inhabitants of upper respiratory tract
*Normal inhabitants of upper respiratory tract
*Cause repsiratory diseases including rhinitis, tracheitis, bronchitis and bronchiolitis
*Cause repsiratory diseases including rhinitis, tracheitis, bronchitis and bronchiolitis
*Grow on MacConkey agar
*Grow on MacConkey agar
*Toxigenic strains agglutinate mammalian red blood cells
*Toxigenic strains agglutinate mammalian red blood cells
*Identical S form LPS in all strains of ''B. bronchiseptica'' - 1 diagnostic antigen
*Identical S form LPS in all strains of [[Bordetella bronchiseptica|''B. bronchiseptica'']] - 1 diagnostic antigen
*''B. bronchiseptica'' haemolytic, whereas ''B. avium'' not
*[[Bordetella bronchiseptica|''B. bronchiseptica'']] haemolytic, whereas [[Bordetella avium|''B. avium'']] not
*Affinity for ciliated respiratory epithelium
*Affinity for ciliated respiratory epithelium
===Pathogenesis and pathogenicity===
===Pathogenesis and pathogenicity===
*Use pathogenicity factors such as filamentous haemagglutanin (only ''B. bronchiseptica''), fimbriae and pertactin to adhere to ciliated respiratory epithelium
*Use pathogenicity factors such as filamentous haemagglutanin (only [[Bordetella bronchiseptica|''B. bronchiseptica'']]), fimbriae and pertactin to adhere to ciliated respiratory epithelium
*Produce toxins:
*Produce toxins:
**Adenylate cyclase (leucocyte toxin - kills phagocytes) (only ''B. bronchiseptica'')
**Adenylate cyclase (leucocyte toxin - kills phagocytes) (only ''B. bronchiseptica'')