Eimeriidae Flashcards
(115 cards)
0
Q
coccidia are intercellular/intracellular
A
intracellular
1
Q
organisms of family emeriidae are known as _________
A
coccidia
2
Q
coccidia undergo sexual & asexual cycles in same host/different host
A
same
3
Q
in coccidia, the stage outside the host undergoes the process of ____________
A
sporogony
4
Q
_________ stage of coccidia leaves the host
A
oocyst
5
Q
tyzzeria
A
Asporocystic
octosporozoic
6
Q
Isospora
A
bisporocystic
tetrasporozoic
7
Q
Eimeria
A
tetrasporocystic
bisporozoic
8
Q
Wenyonella
A
tetrasporocystic
tetrasporozoic
9
Q
cryptosporidium
A
asporocystic
tetrasporozoic
10
Q
distinguishing characters in Cryotosporidium
- meront
- microgamete
A
meront have KNOB like attachment
microgamete lacks FLAGELLA
11
Q
oocyst wall in unilayered/bilayered
A
bilayered
12
Q
small thinning at narrow pole called _________
A
micropyle
13
Q
micropyle is covered by __________
A
micropylar cap
14
Q
dark granules seen near the micropyle called ___________
A
polar granule
15
Q
define sporont
A
a zygote of coccidian protozoa enclosed in an oocyst, which undergoes sporogony to produce sprorocyst/sporozoites
16
Q
part of protoplasm, left after spore formation is called ___________
A
oocystic residuum
17
Q
define sporozoites
A
banana shaped elongated bodies formed from sporocyst
18
Q
left out granular protoplasm after sporzoite formation is __________
A
sporocystic residuum
19
Q
how is coccidia transmitted
A
ingestion of sporulated oocyst in feed & water
20
Q
sporozoite in host cell is _________ in shape & is known as __________
A
round
trophozoite
21
Q
trophozoite develops into __________ which further produces __________
A
schizont
merozoites
22
Q
define schizont
A
a cell developed from trophozoite
which undergoes multiple fission to form merozoites
23
Q
name two coccidians which have 4 generations of schizont
A
E. acervulina
E. mivati
24
types of schizonts
-giant
-epithelial
large
small
25
giant schizonts are always _______ generation schizonts
first
26
giant schizonts contain __________ merozoites
millions
27
giant schizonts are _______scopic & epithelial schizonts are _______scopic
macro
| micro
28
large epithelial schizonts contain ________ merozoites
few hundred
29
small epithelial schizonts contain ________ merozoites
8-36
30
2nd to 4th generation schizonts are
Giant S
L epithelial S
S epithelial S
small epithelial schizont
31
merozoites after liberation, form _________ which further forms ___________
gamont
| gamete
32
majority of merozoites from ________gametes
MACRO
33
multiple fission in seen in macrogamont/microgamont
microgamnt
34
no. of flagella in microgametes of coccidia
2
35
an exceptional coccidia having 3 flagella in microgamete is
E. perforans
36
fusion of microgametes with macrogametes forms __________, which further matures to _________ & passes out of faeces
zygote
| oocyst
37
when does sporogony of oocyst occurs
A. before discharge in faeces
B. after discharge in faeces
after discharge in faeces i.e. outside the body
38
define prepatent period
time between
ingestion of 1st infective oocyst
to the time when
first oocyst appear in faeces
39
define patent period
time between
first discharge of oocyst in faces
to the time of
laste discharge of oocyst in faeces
40
optimum temperature for sporulation is
29 +- 3 C
41
________ eimerian species of occidia are recognized to parasitise intestines of cattle & buffalo
13
42
_________ is the only species reported from buffalo of india
E. bareillyi
43
coccidian of cattle & buffalo which is intranuclear
E. alabamensis
44
commonest coccidian species of cattle & buffalo
E. bovis
45
only capped eimerian species if cattle & buffalo
E. brasiliensis
46
microplyar cap is present in which coccidian of cattle & buffalo
E. brasiliensis
47
biggest coccidian of cattle & buffalo
E. bukidnonensis(also oocyst wall spotted,velvety)
48
smallest eimerian species of cattle & buffalo
E. subspherica
49
coccidiosis in C & B, is a disease of young animals i.e. _________ age
1-6 month
50
_______ act as source of infection for young calves
adult animal
51
most pathogenic coccidian species of cattle & buffalo are
E. zuernii
| E. bovis(also commonest)
52
transmission of infection to young calves occur by _________ route
oraly, by ingestion of sporulated oocystin feed & water
53
in coccidiosis in C & B, intially __________ is manifested
intestinal catarrh with watery faces for 1-2 days
54
disease caused by most pathogenic coccidian of cattle & buffalo is called ________
winter coccidiosis
55
paralysis of __________ is seen in last stage of cocciosis of cattle & buffalo
anal spinchter
56
paralysis of anal spinchter exposes_________
rectal mucosa with transverse haemorrhagic striations
57
when are oocysts avaialable in faeces in case of
E. bovis
E. zuernii
always in E. bovis
| after clinical peak in E. zuernii
58
name any two macroscopic diagnostic points of bovine coccidiosis
bloody diarrhoea
| rectal tenesmus
59
whitish,opalescent,papillomatous lesion in bovine coccidiosis contain ___________
gametocytes & oocyst of E. bareillyi
60
coccidian species of sheep , which has dome shaped mciropylar cap
E. ahsata
61
coccidian species of sheep in which micropylar cap is present ar broad end
E. granulosa
62
Name the largest coccidian species of sheep
e. intricata
63
which coccidian species of sheep have globidial schizonts
E. gilruthi
64
name a coccidian that is found in sheep & goat both
E. gilruthi
65
coccidian species of cilinical importance in sheep
E. ahsata
E. ovinoidalis
E. ovina
E. parva
66
coccidial species of clinical importance in goat
E. alijevi
E. arloingi
E. christenseni
67
in cocccidiosis of sheep & goat,what is present in
- white grey papillomatous areas
- haemorrhagic & thickened areas
gametocytes & oocyst
| gametocytes & small epothelial schizont
68
2 characters of E. cameli
oocyst are truncate-ovoid
| oocyst wall has 3 layers
69
in which coccidia of oigs, the sporozoite is vermiform
E. neodebliecki
70
most pathogenic coccidians of pig
E. debliecki
| E. scarba
71
lesions of which coccidia of pigs reach upto large intestine
E. spinosa
72
which species have biggest sized coccidan oocyst
Eimeria leuckarti
73
E. leuckarti is found in ________ species
equine
74
which species have largest size of oocyst amongg Isospora
Isospora felis
| E. leukarti has biggest size among isospora & eimeria too
75
name the first parasite protozoa observed
E. stiedae
76
E. stiedae is found in which species
rabbit
77
E. stiedae is found in which organ of rabbit
bile duct & liver
78
disease caused by E. stiedae is known as _________
hepatic coccidiosis
79
most common coccidia of domestic fowl
Eimeria acervulina
80
coccidia of domestic fowl containing globule at borad end & narrower end
E. maxima
81
the most PATHOGENIC coccidia of domestic fowl
E. tenella
82
which coccidia of domestic fowl is reponsible for PASTY BLACKISH GREEN FAECES
wenyonella gallinae
83
coccidia found in anterior part of intestine in fowl
E. acervulina
E. mivati
E. mitis
84
coccidia found in middle portion of intestine in fowl
E. maxima
| E. necatrix
85
coccidia of fowl found in rectum
E. brunetti
86
coccidia of fowl found in caecum
E. tenella
87
clinical outbreaks of coccidiosis in domestic poultry occurs at what time of the year
after rains
88
which is the most pathogenic coccidian of poultry
E. tenella(found in caecum)
89
which is the second most pathogenic coccidian of poultry
E. necatrix(found in middle portion of intestine)
90
BTMAN
B T M A N
| 1 4 4 - 6
91
E. brunetti encountered at ______ age
1 week
92
E. tenella encountered at ______ age
4 weeks
93
E. maxima encountered at ______ age
4 weeks
94
E. acervulina encountered at ______ age
all ages
95
E. necatrix encountered at ______ age
6 weeks
96
______ type of coccidiosis is recognised in poultry
3
97
name the 3 type of coccidiosis recognized in poultry
intestinal
caecal
rectal
98
intestinal coccidosis in poultry is caused by
E. acervulina
E. mivati
E. maxima
E. necatrix
99
caecal coccidosis in poultry is caused by
E. tenella(most pathogenic)
100
rectal coccidosis in poultry is caused by
E. brunetti
101
in intestinal coccidiosis , watery diarrhoea is caused by
E. acervulina
| E. mivati
102
in intestinal coccidiosis, mucus is diarrhoea is caused by
E. maxima
103
in intestinal coccidiosis , bloody diarrhoea is caused by
E. necatrix
104
red diarrhoea in poultry is caused by
E. tenella(most pathogenic, causing caecal coccidiosis)
105
cause of death in caecal coccidiosis
ANAEMIA due to red diarrhoea
106
characterstic of dropping in E. brunetti infection of poultry
WHITE fluid dropping
with blood
& mucus cast
107
lesions in E, acervulina infection
greyish white pinpoint foci/streaks runnig transversally
| cartarrhal exudate without haemorrhage
108
lesions in E. mivati infection
same as E. acervulina + petechial haemorrhages
109
lesions in E. maxima infection
```
intestine becomes dilated
mucoid exudate(orange or pink colored)
```
110
lesions in E. necatrix infection
same as E. mivati + small intestine is thickened
111
lesions in E. tenella infection. imp.
1-3days=petechial haemorrhages
4th day=haemorrhagic caeca
6th day=caecum enlarged
112
in E. tenella infection/caecal coccidiosis ,why is caecum enlarged by 6 th day?
it contains black caseous mass
| i.e. faeces,necrosed cellular debris,blood
113
lesions in E. brunetti infection
haemorrhagic LADDER like streaks
| haemorrhagic exudate
114
in poultry coccidiosis, mortality starts before discharge of oocysts TRUE or FALSE
TRUE
