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CRG RUSVM Parasit > Parasit protozoa pt 6 > Flashcards

Parasit protozoa pt 6 Flashcards

1
Q

Hepatozoon spp. host

A

-dog

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2
Q

Hepatozoon spp. ID

A

-Gamonts in blood cells

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3
Q

Hepatozoon spp. site of infection: schizonts

A

-in various tissues

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4
Q

Hepatozoon spp. site of infection: Gamonts

A

circulating white blood cells

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5
Q

Hepatozoon spp. CS: H. canis transmitted by R. sanguineus

A

-sub clinical infection

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6
Q

Hepatozoon spp. CS: H. americanum transmitted by A. Maculatum

A

severe disease, joint pain, myositis

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7
Q

Hepatozoon spp. Diagnosis

A
  • Parasites in peripheral blood

- Examination of muscle tissue at biopsy or necropsy

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8
Q

Hepatozoon spp. treatment/prevention

A
  • no satisfactory treatment

- tick control

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9
Q

Babesia canis host

A

dogs

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10
Q

Babesia canis ID

A

-trophozoites or merozoites in red blood cells

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11
Q

Babesia canis site of infection

A

erythrocytes

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12
Q

Babesia canis CS

A
  • depression
  • anorexia
  • anemia
  • splenomegaly
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13
Q

Babesia canis Diagnosis

A

-Trophozoites or merozoites in peripheral blood smear (Giemsa)

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14
Q

Babesia canis treatment and prevention

A
  • Antiprotozoal therapy effective but not approved in USA.

- Tick control - R. sanguineus

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15
Q

Babesia gibsoni vs babesia canis

A

-similar to B canis but smaller

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16
Q

Babesia bigemina host

A

cattle

17
Q

Babesia bigemina ID

A

trophozoites or merozoites in red blood cells

18
Q

Babesia bigemina causes

A
  • Texas tick fever

- Rhipicephalus (Boophilus) annulatus- cattle fever tick

19
Q

Babesia bigemina site of infection

A

erythrocytes

20
Q

Babesia bigemina path/lesion/CS

A
  • Clinical signs arise from destruction of the red blood cells
  • sever anemia or even death
21
Q

Babesia bigemina Diagnosis

A
  • stained blood smears (trophozoites or merozoites)

- serology (chronic infections)

22
Q

Babesia bigemina treatment/prevention

A
  • antiprotozoal remedies

- tick control

23
Q

what is unique about Babesia bigemina

A
  • inverse age susceptibility
  • older animals more susceptible
  • older animals chronic infection
24
Q

Cytauxzoon felis hosts

A

-cats, bobcats

25
Q

Cytauxzoon felis ID

A

-small organisms (merozoites 1-2 microns in red blood cells

CRG RUSVM Parasit (4 decks)

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