Theileria Flashcards
how many species of Theileria infect cattle & buffalo
3
name the 3 species of Theileria which infect cattle & buffalo
T. annulata
T. parva
T. mutans
how many species of Theileria infect sheep & goat
2
name the 3 species of Theileria which infect sheep & goat
T. hirci
T. ovis
name the cells of the vertebrate host in which Theileria sp. are present
erythrocytes
lymphocytes
histiocytes
_____ are IH of Theileria
ixodid ticks
sporozoites in salivary gland develop only after ___ days of feeding in the adult tick & ___ days of feeding in the nymph
1
2
what does piroplasms/erythrocytic stages represent?
macrogametes & microgametes
in ticks,the two gametes fuse to form zygote which increases in size by 12th day becomes elongated.
this elongated structure is called?
ookinete
define ookinete
- elongated zygote
- found in tick
the ookinetes develop into _______ in _______(organ) & undergo process called _______
sporocytes
acinar cells of salivary glands
sporogony
_______ test gives 100 % positive results in clinical cases with schizontal antigen
IFA
GUTS stand for
Ground-Up Tick Supernate
_______ are also known as infective particles
sporozoites
sporozoites in salivary gland develop only after ___ days of feeding in the adult tick & ___ days of feeding in the nymph
1
2
how much high fever is seen in T. annulata infection in cattle & buffalo
40.5-41.5
3 characteristics of later stage of infection caused by T. annulata
- fever declines
- anemia
- coloured urine
enumerate 7 haematological changes in infection by T. annulata
- fall in Hb level
- decrease in TEC
- decrease in PCV
- anisocytosis
- polychromasia
- leucopenia
- low levels of serum Ca
Pathognomic lesion of infection of T. annulata
punched necrotic ulcers in the abomasum
which test is used to check the presence of CELL MEDIATED IMMUNITY in tropical theileriosis
Leucocyte Migration Inhibition Test(LMIT)
name 7 serological tests employed in diagnosis of BOVINE TROPICAL THEILERIOSIS
CF CA HI PHA CCA ID IFA
_______ test is used for hear screening
CA
_______ test gives 100 % positive results in clinical cases with schizontal antigen
IFA
name the commercial vaccine developed against THEILERIOSIS in india
Rakshavac-T
in INFECTION & TREATMENT method for “Theilerosis”, what is the source for infection & treatment
infection- GUTS
treatment- buparvaquone @ 2.5 mg/kg b.w
name the disease caused by T. parva
East Coast Fever
_________ is IH for T. parva
Rhinpicephalus appendiculatus
disease caused by T. hirci
malignant theilerosis
disease caused by T. ovis
benign theileriosis
name the IH for T. hirci (HINT-there are 2)
Rhinpicephalus bursa
Hyalomma anatolicum anatolicum
name the IH for T. ovis (HINT-there are 2)
Rhinicephalus
Haemaphysalis
out of T. hirci & T. ovis , which one is less pathogenic
T. ovis
benign theileriosis is caused by ________
T. ovis
malignant theileriosis is caused by ________
T. hirci
transitory haemoglobinuria is found in ______
T. hirci
two types of piroplasms/erythrocytic stages have been demonstrated.these are
- comma
- ovoid
each microschizont produces _____(number) micromerozoites by budding
50-120
what are KOCH’S BLUE BODIES
- macroschizonts
- multinucleated( about 8 nuclei)
- apparent in lymph nodes
first visible stages are found in local lymph nodes ______ days after the attachment of ticks
5-8
transmission does not occur immediately on attachment because sporozoites develop in salivary glands of tick during _____ days of engorgement on host
first 2-4
animals are infected by that tick which possesses large no. of _________
sporozoites
macro & microschizonts of T. annulata are found in ________ (cell) of ______(organ) & _______(organ)
lymphocytes
spleen
lymph nodes
usually ___ % of erthryoctye forms of T. annulata & rest are _____ or ______ shaped
80
oval
comma
disease caused by T. annulata in cattle & buffalo is known as __________
Bovine Tropical Theileriosis
T. annulata are trasmited by ixodid tick of the genus ________ in india
Hyalomma
the microschizonts appear simultaneously simultaneously with the appearance of _______ in erythrocytes
piroplasms
