Changes

Also Known As '''''– TVH – Turkey hepatopancreatitis'''''

Also Known As: '''''TVH — Turkey Hepatopancreatitis'''''

Caused By – ''Turkey Viral Hepatitis Virus – TVHV - THV''

Caused By: ''Turkey Viral Hepatitis Virus — TVHV — THV''

==Introduction==

==Introduction==

==Distribution==

==Distribution==

TVH is reported in '''Canada, USA, Italy and the UK.'''

TVH is reported in '''Canada, USA, Italy and the UK.''' Its distribution may be greater than this as monitoring is difficult due to the often subclinical nature of the disease.

Its distribution may be greater than this as monitoring is difficult due to the often subclinical nature of the disease.

Transmission is principally from '''faeces''' and can be direct or indirect. It is possible that vertical transmission also occurs.

Transmission is principally from '''faeces''' and can be direct or indirect. It is possible that vertical transmission also occurs.

==Signalment==

==Signalment==

TVH affects '''only turkeys''' (''Meleagris gallopav'')

TVH affects '''only turkeys''' (''Meleagris gallopav''). Disease occurs primarily in young, '''<6 weeks old birds.'''

Disease occurs primarily in young turkeys '''<6weeks old.'''

When clinical disease does develop, it is characterised by '''anorexia, weight loss, depression and sudden deaths'''. As the hepatopathy develops, '''neurological signs''' may also develop.

'''Decreased hatchability''' and a drop in egg production are often also seen.

When clinical disease does develop, it is characterised by '''anorexia, weight loss, depression and sudden deaths'''. As the hepatopathy develops, '''neurological signs''' may also develop. '''Decreased hatchability''' and a drop in egg production are often also seen.

==Diagnosis==

==Diagnosis==

Animal Health & Production Compendium, '''Turkey Viral Hepatitis Virus datasheet''', accessed 03/07/2011 @ http://www.cabi.org/ahpc/

Animal Health & Production Compendium, '''Turkey Viral Hepatitis Virus datasheet''', accessed 03/07/2011 @ http://www.cabi.org/ahpc/

[[Category:To Do - CABI review]] [[Category:Alimentary Diseases – Birds]] [[Category:Reproductive Diseases – Birds]]

 

 

[[Category:CABI Expert Review]] [[Category:Alimentary Diseases – Birds]] [[Category:Reproductive Diseases – Birds]]