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Micro: Bacteriology/Mycology > Taylorella, Brucella, Campylobacter, Brachyspira, Lawsonia > Flashcards

Taylorella, Brucella, Campylobacter, Brachyspira, Lawsonia Flashcards

1
Q

How are Campylobacter infections treated and prevented?

A

Treatment- antibiotics (penicillin, streptomycin, macrolides, tetracycline),

culling (may not be economically feasible)

Prevention- vaccine for C. fetus and C. jejuni plus Leptospira available, sanitation

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2
Q

What disease pattern does Campylobacter jejuni cause in cats, dogs, and pigs?

A

gastroenteritis

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3
Q

How are Taylorella equigenitalis infections treated and prevented?

A

Treatment- topical antiseptics and antimicrobials

Prevention- culture-based surveillance of imported horses in US

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4
Q

How are Brachyspira infections treated?

A

Antibiotics- metronidazole, gentamycin, nitrofurazone, lincomycin

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5
Q

What disease patterns do members of the genus Brucella cause in large ruminants?

A

Abortion, epididymitis, orchitis

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6
Q

What disease pattern do members of the genus Brachyspira cause in dogs and birds?

A

diarrhea

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7
Q

What disease pattern do members of the genus Brachyspira cause in pigs?

A

Swine dysentery

can account for up to 30% of diagnosed cases

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8
Q

What disease patterns does Campylobacter fetus fetus cause in ruminants?

A

Placentitis, frank abortion

Note: the fetus is a source of infection for curious animals

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9
Q

What disease pattern do members of the genus Lawsonia cause?

A

Proliferative enteritis/ileitis (“wet tail”)

Can also cause rectal prolapse

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10
Q

What disease pattern does Taylorella equigenitalis cause in horses?

A

purulent endometritis (CEM), abortion

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11
Q

What disease patterns do members of the genus Brucella cause in pigs?

A

abortion, osteomyelitis, spondylitis

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12
Q

Lawsonia intracellularis can be seen in histologic preparations using what type of stain?

A

Silver stain

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13
Q

What disease patterns do members of the genus Brucella cause in cats and dogs?

A

Abortion, prostatitis, osteomyelitis, endopthalmitis

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14
Q

What disease patterns does Campylobacter fetus venerealis cause in ruminants?

A

Endometritis, extended estrus cycle

inapparent abortion and infertility

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15
Q

How are Lawsonia infections treated and managed?

A

Treatment- antibiotics (tetracycline)

Prevention- vaccination available for pigs

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16
Q

What disease patterns do members of the genus Brucella cause in small ruminants?

A

Abortion, mastitis, epididymitis

17
Q

What disease patterns do members of the genus Brucella cause in horses?

A

necrotizing bursitis (“poll evil,” “fistulous withers”)

18
Q

How is Taylorella equigenitalis transmitted?

A

Venereal transmission

There is also evidence for fomite transmission

19
Q

How are Brucella infections treated and managed?

A

B. abortus vaccine available for cows

Culling

Micro: Bacteriology/Mycology (15 decks)

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