Haemophilus somnus

Haemophilus somnus
Phylum Proteobacteria
Class Gamma Proteobacteria
Order Pasteurellales
Family Pasteurellaceae
Genus Haemophilus
Species H.somnus

Haemophilus somnus is a species of the Haemophilus genus.


Haemophilus sommus is involved in enzootic pneumonia of calves and causes infectious thromboencephalitis, bronchopneumonia and sporadic reproductive tract infections in cattle 1-3 years old.


Haemophilus sommus is involved in epididymitis in young rams. It also causes vulvitis, mastitis and reduced reproductive performance in ewes and septicaemia, arthritis, meningitis and pneumonia in lambs.

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