Mycoplasma of Sheep and Goats Flashcards
What are the common Mycoplasmas of sheep and goats?
Mycoplasma agalactiae, Mycoplasma capricolum subspecies capripneumoniae, Mycoplasma capricolum subspecies capricolum, Mycopplasma ovipneumoniae, Mycoplasma mycoides subspecies mycoides LC, Mycoplasma conjunctivae, Ureaplasmas
What is Mycoplasma agalactiae the cause of?
contagious agalactia, severe mastitis, septicemia, and arthritis in sheep and goats; occasionally pneumonia in calves
How is Mycoplasma agalactiae transmitted?
via ingestion, the teat canal, fomites, or in the ear canal via ear mites
How is Mycoplasma agalactiae prevented?
slaughter of infected animals or immunization with modified live organisms
How do you treat Mycoplasma agalactiae?
tetracyclines, tyloin, or long-acting marcolides
What Mycoplasma species causes the most serious disease world wide in goats?
Mycoplasma capricolum subspecies capripneumoniae
What diseases does Mycoplasma capricolum subspecies capripneumoniae cause?
contagious caprine pleuropneumonia
What other species of Mycoplasma contribute to contagious caprine pleuropneumonia (CCPP)?
Mycoplasma mycoides subspecies mycoides LC and Mycoplasma mycoides subspecies capri
How is Mycoplasma capricolum subspecies capripneumoniae transmitted?
by contact or aerosol
What virulence factors does Mycoplasma capricolum subspecies capripneumoniae have?
capsular polysaccharide
What is the morbidity and mortality rate of Mycoplasma capricolum subspecies capripneumoniae?
15-80 percent morbiditiy and 10-100% mortality
Where is CCPP limited to?
thoracic cavity
How is Mycoplasma capricolum subspecies capripneumoniae prevented?
with immunization with attenuated live cultures or formalinized suspension of lung lesions, slaughter of infected goats, and maybe antibiotics
What does Mycoplasma capricolum subspecies capricolum cause?
acute septicemia, polyarthritis, meningitis, and possibly mastitis
What does Mycoplasma ovipneumoniae cause?
chronic pneumonia in sheep in goats
How is Mycoplasma ovipneumoniae transmitted?
it is carried by ewes and spread to lambs
At what age does pneumonia typically develop due to Mycoplasma ovipneumoniae?
in lambs 5-10 weeks ofage
How is Mycoplasma ovipneumoniae prevented?
increase ventilation and environment
What treatment is used for Mycoplasma ovipneumoniae?
antibiotics in early stages but not chronic stages
How is Mycoplasma mycoides subspecies mycoides LC transmitted?
via colostrum and contact, and carried in the ear canal
What disease is caused by Mycoplasma mycoides subspecies mycoides LC?
arthritis, keratitis, mastitis, peritonitis, and pneumonia
How is Mycoplasma mycoides subspecies mycoides LC prevented?
feed colostrum free of the organism and cull those that have it
How is Mycoplasma mycoides subspecies mycoides LC treated?
tylosin
What does Mycoplasma conjunctivae cause?
infectious caprine and infectious ovine keratoconjunctivitis
What populations of caprine and ovine seem to be infected my Mycoplasma conjunctivae?
free ranging populations
Infections of Mycoplasma conjunctivae can become so severe that sheep become ______.
blind
Where in sheep and goats are ureaplasms common?
the urogenital tract
What do Ureaplasms cause in sheep and goats?
vulvo-vaginitis, urethral calculi, and maybe abortions
What virulence factor does Mycoplasma ovipneumoniae have?
a capsule
