Actinobacillosis (Wooden Tongue)
Definition: It is a chronic infectious disease of cattle and
caused by Actimobacillus ligniresii and characterized by
purulent granulmas in soft tissue of the head (especially
tongue).
Clinical signs: Actinobacillosis has a sudden onset, with
excessive salivation, difficult mastication and therefore
reduced feed intake. There is considerable submandibular
swelling and frequently swollen submandibular and
retropharyngeal lymph nodes. The tongue will frequently
protrude from the mouth, the tongue will be swollen, hard to
the touch and on the surface will be seen round, discrete,
yellow lesions 2-5 mm in diameter. These abscesses situated
just below the tongue epithelium if left untreated, the disease
progresses and eating become impossible and weight loss