African horse sickness Flashcards
African horse sickness
Equine plague
Orbivirus
Serotyoes of ahs
9 serotypes
Reservoir host of virus
Zebra
Incubation period
7 to 14 days
Pathogenesis
Local lymph node replication
To organs
Proinflammatory
Vasoactive mediators are released
The pulmonary form or dunkop
Fever Resp rate increases Distress Spasmodic cough Frothy discharge Death
Cardiac subacute form
Dikkop
Fever Oedema. Of head eyelids Odema of tongue Larynx esophagus Cardiac arrest
Cardiac form edem a of fossa
Supraorbital fossa
Lesions
Pulmonary edema
Froty fluid filling trachea
Distended lungs
Thoracic lymph node edematous
Vaccines
Attenuated polyvalent vaccine
And inactivated vaccine
Rotavirus diarrhea
Young animals 1 to 8 weeks of age
Rpta virus referred as
White scours
Or milk scours
Rotavirus causes
alabsorption
Malnutrition
Rotavirus cause malabsorption due to
Destruction of enterocytes lining intestinal villi
Diagnosis
Antigen detection by pcr
Bovine primary kidney culture