Bluetongue is a viral disease of ruminants transmitted by midges Culicoides. The virus belongs to the family Reoviridae and contains 24 recognized serotypes.
Vaccination is the most effective and practical measure to minimize losses associated with this disease.
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Sheep
Goats
Cattle
Deer
Increase of vector spread:
High temperature
Lower rainfall and stagnant water
Subclinical reservoirs infected
Introduction of susceptible animals in endemic areas
Infected midges
They can be moved
wind-borne to
distances between
2 and 300 kms
Hemorrhage & Edema
Oral and Nasal lesions. Tissue ulceration, Salivation & Nasal discharge, Swelling of lips, tongue and jaw,Cyanosis of the tongue (Blue tongue)
Pedal lesions. Coronary inflammation and lameness
Temporary infertility and abortions
Weight loss
SURVEILLANCE
DIAGNOSIS
VACCINATION
CONTROL OF MIDGES
RESTRICTION
Epidemiologic surveillance
Diagnosis by ELISA, PC
The best way to control the disease and transmission
Insecticides
Restriction of infected animals
Active immunization of cattle and
sheep against bluetongue
virus
serotype 1
Active immunization of cattle and
sheep against bluetongue
virus
serotype 4
Active immunization of cattle and
sheep against bluetongue
virus
serotype 8
Active immunization of cattle and
sheep against bluetongue
virus
serotype 1
Active immunization of cattle and
sheep against bluetongue
virus
serotype 4
Active immunization of cattle and
sheep against bluetongue
virus
serotype 8
