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→Pathogenesis and pathogenicity
It causes;
It causes;
'''Cows'''
'''Cows''': [[Calf Diphtheria|Calf diphtheria]] or necrotic laryngitis in cattle and necrobacillosis of the mouth and pharynx of young calves. Also, [[Bovine liver abscesses]] and localised necrosis and scab formation of the teat orifice and sphincter of dairy cows.
[[Calf Diphtheria|Calf diphtheria]] or necrotic laryngitis [[Respiratory Bacterial Infections - Pathology#In Cattle|in cattle]] and necrobacillosis of the mouth and pharynx of young calves. Also, [[Bovine liver abscesses]] and localised necrosis and scab formation of the teat orifice and sphincter of dairy cows.
'''Pigs''': [[Necrotic rhinitis]] in pigs.
'''Sheep''': Interdigital dermatitis ([[Bacterial skin infections - Pathology#Bacterial pododermatitis|pododermatitis]]) in sheep in association with ''D. nodosus'' and [[Arcanobacter pyogenes|''Arcanobacter pyogenes'']], predisposing to [[Contagious Footrot|footrot]]. It also causes [[Respiratory Bacterial Infections - Pathology#Laryngeal chondritis|laryngeal chondritis]] in sheep and mixed infections in heel abscesses.
'''Sheep'''
Interdigital dermatitis ([[Bacterial skin infections - Pathology#Bacterial pododermatitis|pododermatitis]]) in sheep in association with ''D. nodosus'' and [[Arcanobacter pyogenes|''Arcanobacter pyogenes'']], predisposing to footrot. It also causes [[Respiratory Bacterial Infections - Pathology#Laryngeal chondritis|laryngeal chondritis]] in sheep and mixed infections in heel abscesses.
''F.necrophorum'' is also involved in; [[Thrush - Hoof|Hoof thrush]]; Mixed infections in [[Pleural Cavity & Membranes Inflammatory - Pathology#Pyothorax (Thoracic empyema)|pyothorax]]; Mixed infections in aspiration pneumonia and in bovine traumatic reticuloperitonitis and pericarditis; [[Bacterial skin infections - Pathology#Subcutaneous abscesses|subcutaneous abscesses]] due to cat bites; [[Nasal Cavity Inflammatory - Pathology#Chronic rhinitis|chronic fibronecrotic rhinitis]]; [[Bones Inflammatory - Pathology#Osteitis|Osteitis]]; [[Contagious Footrot]]; [[Necrobacillosis]] and [[Laryngeal Chondritis]].
''F.necrophorum'' is also involved in; [[Thrush - Hoof|Hoof thrush]]; Mixed infections in [[Pleural Cavity & Membranes Inflammatory - Pathology#Pyothorax (Thoracic empyema)|pyothorax]]; Mixed infections in aspiration pneumonia and in bovine traumatic reticuloperitonitis and pericarditis; [[Bacterial skin infections - Pathology#Subcutaneous abscesses|subcutaneous abscesses]] due to cat bites; [[Nasal Cavity Inflammatory - Pathology#Chronic rhinitis|chronic fibronecrotic rhinitis]]; [[Bones Inflammatory - Pathology#Osteitis|Osteitis]]; [[Contagious Footrot]]; [[Necrobacillosis]] and [[Laryngeal Chondritis]].