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==Introduction==
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* Adenovirus may contribute to [[Intestines Catarrhal Enteritis - Pathology#Undifferentiated Neonatal Calf Diarrhoea|undifferentiated neonatal calf diarrhoea]], a mixed viral enteritis in calves.
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=Introduction=
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Adenoviruses are so named for the tissue from which they were first recovered: human adenoid tissue.  Since then they have been found in most species and are generally harmless.
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*Bovine adenovirus in [[Respiratory Viral Infections - Pathology#Bovine adenovirus|rhinitis]]
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=Morphology=
*Canine adenovirus-2 in [[Respiratory Viral Infections - Pathology#In Dogs|Infectious canine tracheitis]]
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*Stable, non-enveloped, resistant
*Bovine adenoviruses may contribute to [[Respiratory Bacterial Infections - Pathology#Enzootic pneumonia of calves|Enzootic pneumonia of calves]]
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*Icosahedral virus:
*May cause necrotising [[Respiratory Viral Infections - Pathology#Equine adenovirus|bronchiolitis]] in immune-deficient foals (Arabian foals) and dogs (eg. with [[Paramyxoviridae#Canine Distemper Virus (CDV)|distemper]])
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**Capsomeres at apices (12) carry a peripheral fiber with a terminal knob
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**Capsomeres on facets (240) do not
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==Mastadenoviruses==  
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=Virus by Species=
==Aviadenoviruses==
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===[[Respiratory Viral Infections - Pathology#Bovine adenovirus|Bovine adenovirus]]===
==Atadenoviruses==
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===Equine Adenovirus===
==Siadenoviruses==
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*Rarely causes primary disease
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*Exception: immune-compromised Arab foals (showing both B/T cell deficiencies), causing necrotising [[Respiratory Viral Infections - Pathology#Equine adenovirus|bronchiolitis]]
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===[[Canine Adenovirus 1 (Infectious Canine Hepatatis)]]===
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===[[Canine Adenovirus 2 (Infectious Canine Laryngotracheitis)]]===
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