Parasites Flashcards
Giardia (Beaver Fever)
Protozoa, Cause Diarrhea Trophozoite (Motile) Cystic (nonmotile) Zoonotic
Coccidia
Protozoa
Husbandry Issue,
Dehydration in neonates
Toxoplasma gondii
Protozoa litterbox, takes 24 hours to be infectious, deformaties in human fetus, needs secondary host
Protozoa
Giardia, Coccidia, Toxoplasma gondii
Nematodes
Roundworms, Hookworms, Whipworm, Heartworm, Tapeworm
Roundworms
Adults in intestines, lay eggs, Eggs in faces, Larva hatch in 1-3 days. Larva get ingested.
Visceral larva migrans, can pass through milk
Toxocara cati
Roundworms in cats
Toxocara canis
Roundworm in dogs
Visceral larva migrant
When the larva travel through all the tissues
Hookworms
warm climates,
Adults in intestines, larva penetrates skin after hatching in feces, can migrate to lungs.
can travel through placenta
Whipworm
warm climate, Adults in intestines, eggs in faces, get injested.
Heartworm
Larva travel through blood, Mosquito ingests (secondary host) Matures in mosquito, injects into primary hosts.
Microfilaria
Heartworm larvae
Cestodes
Tapeworms
Tapeworm
Spp
Fleas, or rabbits/mice are secondary host,
Grow in segments, which break off and contain eggs
Lice Life cycle (3 stages)
Eggs, larvae, Adult
Can spend entire life on host
Flea life cycle
Eggs laid-> egg hatch –> cocoon–> flea
What does flea need to hatch? (4 things)
CO2, Vibration, Correct Temperature, Correct humidity
Lice types and head shapes
Biting: round head
Sucking: pointy head
Heartworm Secondary host
Mosquito
Number of flea eggs laid in a day.
25
Percentage of Flea population that are adults
5%
What is flea scurf?
Flea poop and other tissues that flea larva eat.
What are the 2 things that flea sprays contain?
1-something that kills fleas when they hatch, 2-IGR which prevents fleas from forming chitin and therefore their egg tooth.