1. a viral disease of sheep and other ruminants characterized by fever, swelling of the tongue, and often a blue discoloration of the tongue
Usage: veterinary

Examples

• The veterinarian diagnosed the sheep with bluetongue after examining the swollen, discolored tongue.
• Bluetongue is transmitted by biting midges and can cause significant losses in livestock.
• The farm was quarantined after several cattle showed symptoms of bluetongue.
• Vaccination programs help prevent bluetongue outbreaks in sheep populations.
• The bluetongue virus affects ruminants but does not pose a threat to humans.
• Farmers monitor their flocks closely during bluetongue season when midges are most active.