N475 - Gangrenous coryza -Superacute form -cutaneous
Synonyms
No known synonym
Name of the disease in English
Malignant catharral fever-cutaneous form
The disease in brief
Clinic & diagnosis
The disease is suspected by observing a wide variety of symptom combinations:
-A bovine that drools with : On the muzzle or in the nasal cavities lesions of various appearances: erythema, erosions or excoriations combined with:
-a multicentric hypertrophy of the lymph nodes or localized retro-pharyngeal or parotid or submaxillary
-Fever with inflamed or swollen and painful mouth walls or nearby sheep.
–More specific skin lesions of this form: Skin is red and painful or Papules visible under the hair or superficial ulcer lesions (<1.5cm) on the lips or the bulge or the gums or the posterior palate.
-Breathing signs dyspnea and local respiratory signs dominated by nasal mucosa with erosions or a putrefactive smell of exhaled air or a sniffling or horny sound.
- Eye signs of conjunctivitis and the cornea which becomes completely opaque and white
-Nervous signs : A bovine (> 2 months) which does not react to stimulation, or has a drowsy pace, or is ataxic or pushes against the wall.
Typical sign of the disease
No description
Pictures
See below
Diagnostic formulas
No description
Differential diagnosis
-Acute mucous membrane disease DG44.5
-Foot and mouth disease MC
-IBR RS18
-Papular stomatitis DG10
Vesicular stomatitis N274
–Photosensitization DR30.1
Confirm a suspicion?
Collect blood on EDTA (purple cap tube) to perform a PCR test in a laboratory equipped:
Prognosis and treatment
Nonsteroidal anti-inflammatory drugs can be administered, but death is the almost inexorable outcome.
Prevention
Avoid cohabitation of cattle with lambing ewes
References
-Veterinary Medecine-Pocket companion -9th Edition BLOOD DC-page 394
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