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VETERINARY PROTOZOOLOGY > Theileria > Flashcards

Theileria Flashcards

1
Q

how many species of Theileria infect cattle & buffalo

A

3

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2
Q

name the 3 species of Theileria which infect cattle & buffalo

A

T. annulata
T. parva
T. mutans

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3
Q

how many species of Theileria infect sheep & goat

A

2

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4
Q

name the 3 species of Theileria which infect sheep & goat

A

T. hirci

T. ovis

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5
Q

name the cells of the vertebrate host in which Theileria sp. are present

A

erythrocytes
lymphocytes
histiocytes

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6
Q

_____ are IH of Theileria

A

ixodid ticks

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7
Q

sporozoites in salivary gland develop only after ___ days of feeding in the adult tick & ___ days of feeding in the nymph

A

1

2

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8
Q

what does piroplasms/erythrocytic stages represent?

A

macrogametes & microgametes

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9
Q

in ticks,the two gametes fuse to form zygote which increases in size by 12th day becomes elongated.
this elongated structure is called?

A

ookinete

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10
Q

define ookinete

A
  • elongated zygote

- found in tick

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11
Q

the ookinetes develop into _______ in _______(organ) & undergo process called _______

A

sporocytes
acinar cells of salivary glands
sporogony

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12
Q

_______ test gives 100 % positive results in clinical cases with schizontal antigen

A

IFA

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13
Q

GUTS stand for

A

Ground-Up Tick Supernate

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14
Q

_______ are also known as infective particles

A

sporozoites

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15
Q

sporozoites in salivary gland develop only after ___ days of feeding in the adult tick & ___ days of feeding in the nymph

A

1

2

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16
Q

how much high fever is seen in T. annulata infection in cattle & buffalo

A

40.5-41.5

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17
Q

3 characteristics of later stage of infection caused by T. annulata

A
  • fever declines
  • anemia
  • coloured urine
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18
Q

enumerate 7 haematological changes in infection by T. annulata

A
  • fall in Hb level
  • decrease in TEC
  • decrease in PCV
  • anisocytosis
  • polychromasia
  • leucopenia
  • low levels of serum Ca
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19
Q

Pathognomic lesion of infection of T. annulata

A

punched necrotic ulcers in the abomasum

20
Q

which test is used to check the presence of CELL MEDIATED IMMUNITY in tropical theileriosis

A

Leucocyte Migration Inhibition Test(LMIT)

21
Q

name 7 serological tests employed in diagnosis of BOVINE TROPICAL THEILERIOSIS

A 
CF
CA
HI
PHA
CCA
ID
IFA
22
Q

_______ test is used for hear screening

A

CA

23
Q

_______ test gives 100 % positive results in clinical cases with schizontal antigen

A

IFA

24
Q

name the commercial vaccine developed against THEILERIOSIS in india

A

Rakshavac-T

25
Q

in INFECTION & TREATMENT method for “Theilerosis”, what is the source for infection & treatment

A

infection- GUTS

treatment- buparvaquone @ 2.5 mg/kg b.w

26
Q

name the disease caused by T. parva

A

East Coast Fever

27
Q

_________ is IH for T. parva

A

Rhinpicephalus appendiculatus

28
Q

disease caused by T. hirci

A

malignant theilerosis

29
Q

disease caused by T. ovis

A

benign theileriosis

30
Q

name the IH for T. hirci (HINT-there are 2)

A

Rhinpicephalus bursa

Hyalomma anatolicum anatolicum

31
Q

name the IH for T. ovis (HINT-there are 2)

A

Rhinicephalus

Haemaphysalis

32
Q

out of T. hirci & T. ovis , which one is less pathogenic

A

T. ovis

33
Q

benign theileriosis is caused by ________

A

T. ovis

34
Q

malignant theileriosis is caused by ________

A

T. hirci

35
Q

transitory haemoglobinuria is found in ______

A

T. hirci

36
Q

two types of piroplasms/erythrocytic stages have been demonstrated.these are

A
  • comma

- ovoid

37
Q

each microschizont produces _____(number) micromerozoites by budding

A

50-120

38
Q

what are KOCH’S BLUE BODIES

A
  • macroschizonts
  • multinucleated( about 8 nuclei)
  • apparent in lymph nodes
39
Q

first visible stages are found in local lymph nodes ______ days after the attachment of ticks

A

5-8

40
Q

transmission does not occur immediately on attachment because sporozoites develop in salivary glands of tick during _____ days of engorgement on host

A

first 2-4

41
Q

animals are infected by that tick which possesses large no. of _________

A

sporozoites

42
Q

macro & microschizonts of T. annulata are found in ________ (cell) of ______(organ) & _______(organ)

A

lymphocytes
spleen
lymph nodes

43
Q

usually ___ % of erthryoctye forms of T. annulata & rest are _____ or ______ shaped

A

80
oval
comma

44
Q

disease caused by T. annulata in cattle & buffalo is known as __________

A

Bovine Tropical Theileriosis

45
Q

T. annulata are trasmited by ixodid tick of the genus ________ in india

A

Hyalomma

45
Q

the microschizonts appear simultaneously simultaneously with the appearance of _______ in erythrocytes

A

piroplasms

VETERINARY PROTOZOOLOGY (2 decks)

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