Bluetongue (BT)-Overview
Bluetongue (BT) is a viral disease that affects ruminants, such as sheep, cattle, and goats. It's caused by the bluetongue virus (BTV), which is transmitted by the bites of infected midges.
Species Affected
- Sheep are more susceptible than go ats.
Clinical Signs
- Fever
- Swelling of face, neck, and eyelids
- Respiratory distress
- Nasal discharge
- Salivation
- Necrotic ulcers on tongue, dental pad, gum, and lips
- Hyperaemia of muzzle
- Bleeding at muco-cutaneous junction
- Swollen, cyanotic, and purple-blue tongue ('blue tongue')
Preventive Measures
- Vector control using insecticides and good water management. Vaccination of susceptible animals preferably in the month of May . Do not shear sheep during winter months. Restriction in animal movement, segregation of affected animals and symptomatic treatment. Strict bio security measures.
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