Clinical signs of bluetongue
Bluetongue (BTV) is a non-contagious, viral disease affecting domestic and wild ruminants including sheep and cattle. Here are some of the clinical signs to look out for if you suspect an animal is infected.
Signs in cattle
![Cow with redness crusting nose and exsudate eyes](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Cow -.jpg)
![Cow with red interdigital cleft](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Cow red interdigital cleft.jpg)
![Cow with ulceration of the nostrils](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Cow ulceration nostrils.jpg)
![Cow with mouth ulcers](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Cow ulcers mouth.jpg)
Redness, crusting nose, exudate eyes
Red interdigital cleft
Nostril ulceration
Mouth ulcers
![Cow with crusting around the nostrils](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Cow-crusting around the nostrils.jpg)
![Cow with crusting around the nostrils](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Cow-crusting-around-nostrils.jpg)
![Cow with lesions on teats](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Cow-lesions-teats.jpg)
![Cow with lesions on teats](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Cow-lesions-teats-2.jpg)
Crusting around the nostril
Crusting around the nostrils
Lesions on teats
Lesions on teats
![Cow with nose redness](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Cow-nose-redness.jpg)
![Cow with nose redness and exsudate eyes](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Cow-slight redness nose - exsudate eyes.jpg)
![Cow with dental pad ulcers](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Cow-ulcers-dental-pad.jpg)
Nose redness
Slight nose redness, exudate eyes
Dental pad ulcers
Signs in sheep
![Sheep with crusting round the nostrils](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep- crusting around the nostrils (2).jpg)
![Sheep with clear mucoid nasal discharge](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep with clear mucoid nasal discharge.jpg)
![Sheep with raw ulcerative lesion lower lip](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep with raw ulcerative lesion lower lip.jpg)
![Sheep with ulcers on the dental pad](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep with ulcers on the dental pad.jpg)
Crusting around nostrils
Clear mucoid nasal discharge
Raw ulcerative lesion on lower lip
Ulcers on dental pad
![Sheep with crusting round the nostrils](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-crusting around the nostrils.jpg)
![Sheep with crusting nasal discharge](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-crusting-nasal-discharge.jpg)
![Sheep drooling with crusting around the nostrils](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-drooling, crusting around nostrils.jpg)
![Sheep with lesions in the mouth](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-lesions in the mouth.jpg)
Crusting around nostrils
Crusting nasal discharge, swelling of face
Drooling, crusting around nostrils
Lesions in mouth
![Sheep with lesions in mouth](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-lesions-mouth.jpg)
![Sheep with nasal discharge](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-nasal discharge.jpg)
![Sheep with nasal crusting](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-nasal-crusting.jpg)
![Sheep with nasal crusting](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-Nasal-Crusting-2.jpg)
Lesions in mouth
Nasal discharge
Nasal crusting, swelling of face
Nasal crusting
![Sheep with nasal crusting lesion](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-nasal-crusting-lesion-2.jpg)
![Sheep with nasal discharge and crusting](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-nasal-discharge-crusting.jpg)
![Sheep with nasal discharge and crusting](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-nasal-discharge-crusting-2.jpg)
![Sheep with nasal discharge and salivation](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-nasal-discharge-salivation.jpg)
Nasal crusting, lesion, swelling of face
Nasal discharge, crusting
Nasal discharge, crusting, swelling of face
Nasal discharge, salivation, swelling of face
![Sheep with nasal redness and crusting](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-nasal-redness-crusting.jpg)
![A sheep lying down in a field](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-recumbant (3).jpg)
![A sheep lying down in a field](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-recumbant.jpg)
![A sheep lying down on straw](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-recumbant-2.jpg)
Nasal redness, crusting
Recumbant
Recumbant
Recumbant
![Sheep with salivation and crusting](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-salivation-crusting.jpg)
![Sheep with ulcers or sores in the mouth](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-ulcers or sores in the mouth (3).jpg)
![Sheep with ulcers or sores in the mouth](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-ulcers or sores in the mouth (2).jpg)
![Sheep with ulcers or sores in the mouth](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-ulcers or sores in the mouth.jpg)
Salivation, crusting
Ulcers or sores in mouth
Ulcers or sores in mouth
Ulcers or sores in mouth
![Sheep with ulcers or sores on the nose](https://projectblue.blob.core.windows.net/media/Default/Beef & Lamb/Bluetongue/Sheep-ulcers or sores on the nose.jpg)
Ulcers or sores on nose