Changes

'''Birds''', particularly '''herons''', are '''maintenance hosts''' for JEV while '''pigs''' are '''amplifier hosts.'''

'''Birds''', particularly '''herons''', are '''maintenance hosts''' for JEV while '''pigs''' are '''amplifier hosts.'''

==Clinical Signs==

==Clinical Signs==

'''Abortion in pregnant sows''', stillbirths, male '''infertility''', lack of libido, small litter sizes and '''heat on palpation''' of the testes and scrotum.

Key reproductive signs include '''Abortion in pregnant sows''', stillbirths, male '''infertility''', lack of libido, small litter sizes and '''heat on palpation''' of the testes and scrotum.

'''Neurological''' disease in '''horses''' features trembling, ataxia, incoordination, opisthotonus, hypermetria, aggression, blindness.

'''Neurological''' disease in '''horses''' features trembling, ataxia, incoordination, opisthotonus, hypermetria, aggression and blindness.

Anorexia, inappetance and ill thrift.

Anorexia, inappetance and ill thrift often accompany other signs.

 

Infection is usually subclinical in other species.

==Diagnosis==

==Diagnosis==

'''Antibody titres''' can be detected serologically by Haemagglutination inhibition, '''[[ELISA testing | ELISA]]''', serum neutralisation and other methods. They can also be detected in foetuses.

'''Antibody titres''' can be detected serologically by Haemagglutination inhibition, '''[[ELISA testing | ELISA]]''', serum neutralisation and other methods. They can also be detected in foetuses.