Babesia

Question 1

Babesia spp.

Answer 1

• Babesia bigemina
• B. major
• B. bovis
• B. divergens
• B. ovata
• B. occultans
• B. beliceri
• B. motasi
• B. ovis
• B. capreoli
• B. crassa
• B. caballi
• B. equi
• B. canis
• B. gibsoni
• B. felis
• B. trautmanni
• B. perroncitoi
• B. microti
• B. divergens

Question 2

Babesia spp. of cattle

Answer 2

• Babesia bigemina
• B. major
• B. bovis
• B. divergens
• B. ovata
• B. occultans
• B. beliceri

Question 3

Babesia spp. of small ruminants:

Answer 3

• B. motasi
• B. ovis
• B. capreoli
• B. crassa

Question 4

Babesia spp. of horses

Answer 4

• B. caballi
• B. equi

Question 5

Babesia spp. of dogs

Answer 5

• B. canis
• B. gibsoni

Question 6

Babesia spp. of cats

Answer 6

• B. felis

Question 7

Babesia spp. of pigs:

Answer 7

• B. trautmanni
• B. perroncitoi

Question 8

Babesia spp. of humans:

Answer 8

• B. microti
• B. divergens

Question 9

what is the definite host of Babesia?

Answer 9

• ticks (vector)

Question 10

What is the intermediate host of Babesia?

Answer 10

• Vertebrates
• intraerythrocytic (a blood parasite)

Question 11

Name the vectors of Babesia:

Answer 11

• Dermacentor reticulatus
• Ixodes ricinus
• Boophilus
• Rhipicephalus
• Hyalomma

Question 12

What is the vector of Babesia canis?

Answer 12

• Dermacentor reticulatus

Question 13

What is the vector of Babesia divergens?

Answer 13

• Ixodes ricinus

Question 14

which animals are host of Babesia divergens?

Answer 14

• cattle
• human

Question 15

What stages are the life cycle of Babesia divided into?

Answer 15

• Schizogony
• Gamogony
• Sporogony

Question 16

what types of transmission do we find during Babesia life cycle?

Answer 16

• Trans-ovarial transmission
• Trans-stage transmission

Question 17

Trans-ovarial transmission “steps” (babesia):

Answer 17

• ovaries - eggs - larvae

Question 18

Trans-stage transmission of Babesia

Answer 18

• Salivary gland - sporogony – infective sporozoites → new Host

Question 19

Diagnosis of Babesia:

Answer 19

• clinical signs
• blood sampling
• blood smear
• ELISA, IFAT
• PCR

Question 20

Clinical signs of Babesia:

Answer 20

• fever
• anemia
• icterus
• pigmenturia

Question 21

Blood smapling of Babesia is from:

Answer 21

• capillary blood
• ear, tail tip

Question 22

Blood smear of babesia is stained with?

Answer 22

• Giemsa Romanowsky
• Diff-Quick

capillary blood!

Question 23

Large babesia spp: size, angel, position in Erythrocytes?

Answer 23

• 2-5 μm
• 2 individuals – acute angel
• center of Ec

Question 24

Small babesia spp: size, angel, position in Erythrocytes?

Answer 24

• 1-2 μm
• 2 individuals – obtuse angel
• peripheral of Ec

Question 25

Babesia canis picture:

Answer 25

dog

Question 26

Babesia bovis picture:

Answer 26

cattle

Question 27

Babesia gibsoni picture:

Answer 27

dog

Question 28

Babesia divergens picture:

Answer 28

• (A) ring-like trophozoite
• (B) paired merozoites
• (C) maltese-cross (tetrad)
• (D) various dividing forms
• (E) multiple merozoites
• (F) appliqué (accolé) form on right border of the erythrocyte
• (G) and (H) degenerate (crisis) forms

cattle, human

Question 29

Babesia bigemina picture:

Answer 29

cattle

Question 30

B. bigemina + B. divergens =….

Answer 30

• vena jugularis alternatively to capillary blood

cattle