Exam 4: Taylorella and Burkholderia Flashcards
What does B. avium cause?
Infectious coryza in turkey poults
What does Taylorella equigenitalis cause?
Contagious equine metritis
Temporary sterility in females
Do stallions carry T. equigenitalis?
Yes, asymptomatically
What are lesions from T. equigenitalis confined to?
Mucous membranes of vagina, cervix, and uterus
What are the carriers of T. equigenitalis?
Recovered mares: clitoral fossa and sinuses
Stallions: prepuce, urethra, urethral fossa
Where is Burkholderia mallei important?
Asia
What disease is caused by B. mallei?
Glanders
What is the most common form of disease caused by B. mallei in a horse and what does it typically have?
Chronic
Typically has episodic fever
What are the different forms of chronic disease caused by B. mallei in horses?
Nasal form
Respiratory form
Cutaneous form (farcy)
What is the acute form of disease with B. mallei in horses?
Septicemia with fever, mucopurulent nasal discharge, respiratory signs
What is disease with B. mallei acquired by in horses?
Ingestion of food or water contaminated by nasal discharge of infected horses
Less commonly can be acquired through inhalation or skin abrasion
What is the disease by B. mallei in people, dogs, and cats? What is it acquired from?
Fatal septicemia
Infected horses
How was B. mallei eradicated in North America?
By skin testing with mallein
What happens to equine imports from B. mallei endemic areas?
They are tested and destroyed if positive
What is the historic importance of B. mallei?
It was one of the first biological warfare agents used
Germany weaponized it in WWI and the threat of glanders helped lead to the start of biowarfare research
