Deck 2 Flashcards
what are the developmental stages of trematodes in the picture
cercaria
to diagnose fasciolosis, we use the following methods
sedimentation
oncosphere
what Is maritogony in the life cycle of trematodes
asexual reproductive phase
occurs within the snail intermediate host
rabbit
Cestoda
eggs of Nematodirus spp. belong to the category of eggs
XL
what is the name of a nematode whose adult stages parasitize the horse´s large intestine and the larval stages migrate through the liver and diaphragm
Strongylus edentatus.
which of those types of helminths do not parasitize in pigs
- ascaris suum
- metastrongylus confusus
- strongyloides westeri
- trichuris vulpis
- oesophagostomum radiatum
Strongyloides westeri (horse)
Trichuris vulpis (dog)
Oesophagostomum radiatum (cattle)
write the name of species of helminths of the pigs small intestine
- Ascaris suum – large roundworm; very common and significant.
- Strongyloides ransomi – threadworm; affects young piglets.
- Hyostrongylus rubidus – sometimes extends to the small intestine (primarily stomach).
- Macracanthorhynchus hirudinaceus – thorny-headed worm; attaches to small intestinal wall.
- Trichostrongylus axei – occasionally found in small intestine (more common in stomach, especially in mixed infections).
goose
egg with L3
Ileo-caecal junction and caecum of horse
pig
caeca
please describe the egg of Trichuris vulpis
Shape: Oval or lemon-shaped (also described as barrel-shaped).
Size: Approximately 70–90 µm long and 30–40 µm wide.
Color: Brown to golden-yellow.
Shell: Thick and smooth with a prominent outer shell.
Poles: Each end has a clear, symmetrical polar plug (bipolar opercula).
Contents: Unembryonated when passed in feces (contains a single cell).
by coprological examination of sheep we found the eggs with these properties
- medium in size
- polyedric (3-4-5 angulated) asymmetrical
- 3 shells
. embryonted (oncosphere)
- light grey
What is your diagnosis? Write the full name
Monezia expansa
mouse
the segments that make up the body of a tapeworm are called
proglottids
cysticercoid
