Lab 3 Flashcards
Where does the merozoite develop?
Inside Schizont.
How many cells can be infected by a merozoite of Eimera?
1.
What does the sporulated oocyst of Coccidiosis contain?
4 sporocysts and 2 sporozoites.
How many gamonts can develop from one schizont?
Many.
How many epithelial cells can become infected by 1 Eimeria oocyst at the beginning of infection?
8 cells.
How many epithelial cells can be infected by the content of 1 Eimera sporocyst?
2.
How can we recognise chicken coccidia by sp in the most simple way?
Necroscopy findings.
In order to identify the sp. of a sporulated oocyte, what of the followng is needed?
Size of oocyte.
What does the unsporulated oocyst contain?
Zygote.
How many macrogametes can develop from 1 macrogamont?
1.
The correct order in the life cycle of Eimera?
Sporongy, Schizogeny, Gametogony, Sporogony.
Which sp. of Eimera are haemorrhagic?
E.tenella, E.necatrix and E.brunetti.
Which sp. of Eimera are not haemorrhagic?
E.maxima, E.acervulina, E.mitis and E.praecox.
Which 3 sp. are not characterized by blood in the intestines?
E.acervulina, E.mitis and E.praecox.
Which method do you not use to identify the sp. in the chicken coccidosis?
Mc Master method.
Time lapse from infection of host to apperence of parasite sexual product in faeces is called?
Praepatent period.
Which method of staining can be applied to detect Histomonas in tissues?
PAS.