Bovine tuberculosis Flashcards
1
Q
What species of Mycobacterium causes TB in birds, cows and humans?
A
Mycobacterium avium - birds
Mycobacterium bovis - cows, humans and other animals
Mycobacterium africanum - humans
Mycobacterium tuberculosis - humans, pigs, cattle, cats, dogs
2
Q
90% of bovine tuberculosis lesions, ‘tubercles’, are found in…
A
Caudal lung lobes
Also in liver, other major organs
3
Q
What are the symptoms of bovine tuberculosis?
A
Weight loss, weakness Chronic, moist cough Anorexia Fluctuating pyrexia Contagious pleuropneumonia Bovine leukosis
4
Q
Is tuberculosis notifiable?
A
Yes
5
Q
When intra-dermal TB testing, what is classed as a reactor? (read again after 72 hours)
A
> 5mm
2-4 mm = inconclusive