Mycoplasma of Sheep and Goats

Question 1

What are the common Mycoplasmas of sheep and goats?

Answer 1

Mycoplasma agalactiae, Mycoplasma capricolum subspecies capripneumoniae, Mycoplasma capricolum subspecies capricolum, Mycopplasma ovipneumoniae, Mycoplasma mycoides subspecies mycoides LC, Mycoplasma conjunctivae, Ureaplasmas

Question 2

What is Mycoplasma agalactiae the cause of?

Answer 2

contagious agalactia, severe mastitis, septicemia, and arthritis in sheep and goats; occasionally pneumonia in calves

Question 3

How is Mycoplasma agalactiae transmitted?

Answer 3

via ingestion, the teat canal, fomites, or in the ear canal via ear mites

Question 4

How is Mycoplasma agalactiae prevented?

Answer 4

slaughter of infected animals or immunization with modified live organisms

Question 5

How do you treat Mycoplasma agalactiae?

Answer 5

tetracyclines, tyloin, or long-acting marcolides

Question 6

What Mycoplasma species causes the most serious disease world wide in goats?

Answer 6

Mycoplasma capricolum subspecies capripneumoniae

Question 7

What diseases does Mycoplasma capricolum subspecies capripneumoniae cause?

Answer 7

contagious caprine pleuropneumonia

Question 8

What other species of Mycoplasma contribute to contagious caprine pleuropneumonia (CCPP)?

Answer 8

Mycoplasma mycoides subspecies mycoides LC and Mycoplasma mycoides subspecies capri

Question 9

How is Mycoplasma capricolum subspecies capripneumoniae transmitted?

Answer 9

by contact or aerosol

Question 10

What virulence factors does Mycoplasma capricolum subspecies capripneumoniae have?

Answer 10

capsular polysaccharide

Question 11

What is the morbidity and mortality rate of Mycoplasma capricolum subspecies capripneumoniae?

Answer 11

15-80 percent morbiditiy and 10-100% mortality

Question 12

Where is CCPP limited to?

Answer 12

thoracic cavity

Question 13

How is Mycoplasma capricolum subspecies capripneumoniae prevented?

Answer 13

with immunization with attenuated live cultures or formalinized suspension of lung lesions, slaughter of infected goats, and maybe antibiotics

Question 14

What does Mycoplasma capricolum subspecies capricolum cause?

Answer 14

acute septicemia, polyarthritis, meningitis, and possibly mastitis

Question 15

What does Mycoplasma ovipneumoniae cause?

Answer 15

chronic pneumonia in sheep in goats

Question 16

How is Mycoplasma ovipneumoniae transmitted?

Answer 16

it is carried by ewes and spread to lambs

Question 17

At what age does pneumonia typically develop due to Mycoplasma ovipneumoniae?

Answer 17

in lambs 5-10 weeks ofage

Question 18

How is Mycoplasma ovipneumoniae prevented?

Answer 18

increase ventilation and environment

Question 19

What treatment is used for Mycoplasma ovipneumoniae?

Answer 19

antibiotics in early stages but not chronic stages

Question 20

How is Mycoplasma mycoides subspecies mycoides LC transmitted?

Answer 20

via colostrum and contact, and carried in the ear canal

Question 21

What disease is caused by Mycoplasma mycoides subspecies mycoides LC?

Answer 21

arthritis, keratitis, mastitis, peritonitis, and pneumonia

Question 22

How is Mycoplasma mycoides subspecies mycoides LC prevented?

Answer 22

feed colostrum free of the organism and cull those that have it

Question 23

How is Mycoplasma mycoides subspecies mycoides LC treated?

Answer 23

tylosin

Question 24

What does Mycoplasma conjunctivae cause?

Answer 24

infectious caprine and infectious ovine keratoconjunctivitis

Question 25

What populations of caprine and ovine seem to be infected my Mycoplasma conjunctivae?

Answer 25

free ranging populations

Question 26

Infections of Mycoplasma conjunctivae can become so severe that sheep become ______.

Answer 26

blind

Question 27

Where in sheep and goats are ureaplasms common?

Answer 27

the urogenital tract

Question 28

What do Ureaplasms cause in sheep and goats?

Answer 28

vulvo-vaginitis, urethral calculi, and maybe abortions

Question 29

What virulence factor does Mycoplasma ovipneumoniae have?

Answer 29

a capsule