Para Lab 3: entamoebosis + coccidiosis

Question 1

Entamoebosis species

Answer 1

Entamoeba histolytica

Question 2

Is entamoebosis capable of zoonosis or anthropozoonosis?

Answer 2

anthropozoonosis

Question 3

Clinical signs of Entamoeba histolytica infection?

Answer 3

bloody and mucous diarrhoea,
fever,
digestion problems,
abdominal pain,
exsiccosis

Question 4

What is detected and how is it detected in the case of entamoeba histolytica infection?

Answer 4

What: moving trophozoites (vegetative form).
How: fresh faecal smear + physiological saline + lugol soln.

Question 5

Shape/ description of trophozoites in entamoeba histolytica infection?

Answer 5

10 - 20um,
irregular shape,
vesicle-like nucleus

Question 6

How to detect concentration of cysts in entamoeba histolytica infection??

Answer 6

flotation in ZnSo4
cysts = infectious form!

Question 7

description of cysts in entamoeba histolytica infection?

Answer 7

10 - 15um,
round,
4 nuclei

Question 8

in an entamoeba histolytica infection are cysts found in the faeces of animals?

Answer 8

NO!!
Cysts are not found in faeces of animals!!

Question 9

How many specis of Eimeria are found in chicken coccidiosis?

Answer 9

7

Question 10

What age of bird is usually effetced?

Answer 10

usually in flocks of 3 - 6 weeks.
also in breeder and layer replacement stocks of 10 - 14 weeks.

Question 11

Clinical signs of E. tenella, E. necatrix, E. brunetti?

Answer 11

anorexia,
moribund/ lethargy,
ruffled feathers,
loss of skin pigmentation,
blood in faeces.

Die 2 days after infection.