Crypto, toxoplasm, besnoitiosis of cattle, sarcocystiosis Flashcards
What is the size of a Cryptosporidium oocyst?
5-8 microns
How can we characterize the host specificity of Cryptosporidia baileyi?
Euryxenous
What do the oocysts of Cryptosporidia contain?
4 sporozoites
What organ is never involved into C. baileyi infection of poultry?
Liver
also brain
Which organ is not involved during a C. Bailyei infection of Poultry?
Brain
also Liver
How do we detect usually the oocysts of Cryptosporidia in faeces?
With flotation
Which animal species can be infected by Toxoplasma gondii?
Many mammals and birds
How many sporocysts do the Toxoplasma oocysts have?
2
What kind of pathological signs can we see on the surface of placenta of aborted foetus by consequence of Toxoplasma infection?
Necrotic spots
What method is not applicable to detect antibodies against Toxoplasma infection?
Polymerase chain reaction
Which species of host of Toxoplasma do not abort their foetus during infection?
Cat
What is the size of Toxoplasma cyst that contains tachyzoites?
20-100 microns
What is the sign that does not appear in the chronic form of Besnoitiosis of cattle?
Itching
What does- alopecia, skin thickening, skin wrinkling
What type of Sarcocystis oocyst can be found in fresh faeces?
Sporulated
What type of Sarcocystis oocyst can be found in fresh faeces?
Sporulated form with 2 sporocysts
What is the usual consequence of Sarcocystis in final host animals?
No clinical signs
What can we usually detect in the faeces during Sarcocystiosis in definite host?
Sporocysts
What is the most frequent clinical form of Sarcocystiosis of the dog?
Subclinical
What animals are susceptible for Besnoitia besnoiti?
More ssp of ruminants
Which is the method used to detect Cryptosporidium?
Kinyuon staining
What method is not used to detect Toxoplasma tachyzoites during infection?
IFAT staining
Which genus has sporulated oocysts with 4 free sporozoites?
Cryptosporidium
Which genus has sporulated oocysts without sporocysts?
Cryptosporidium
What are the characteristics of Cryptosporidium meleagridis oocysts?
5 μm, spherical
Which form is not characteristic of avian Cryptosporidiosis?
Hepatic form!
Has intestinal, resp and renal form