Lecture 27: Roundworm disease III

Question 1

What species does Stephanurus dentatus infect and where

Answer 1

Swine kidney worm

Question 2

Where are stephanurus dentatus eggs found: feces or urine

Answer 2

Urine

Question 3

How do you dx S. Dentatus

Answer 3

Eggs in urine

Question 4

What are tx for S. Dentatus

Answer 4

Ivermectin, fenbendazole

Question 5

Where do syngmaid worms infect and what species

Answer 5

Upper respiratory tract of birds and mammals

Question 6

What species does syngamus trachea infect

Answer 6

Domestic and wild galliform birds

Question 7

How do birds get S. Trachea

Answer 7

Ingest infective eggs or paratenic host

Question 8

What are some paratenic hosts for S. Trachea

Answer 8

Earthworms, terrestrial mollusk, larval flies

Question 9

Bird presents with dyspnea, coughing, head shaking, anorexia. The following worms were observed in trachea. What parasite is this

Answer 9

S. Trachea

Question 10

What species do hookworms parasitize and where

Answer 10

SI of mammals (dogs, cats ruminants)

Question 11

How can hookworms be spread

Answer 11

Transmammary, Transplacental, paratenic host, penetrate skin

Question 12

What are the common hookworms in dogs

Answer 12

1. Ancylostoma caninum
2. A. Brazilinese

Question 13

What are the common hookworms in cats

Answer 13

1. A. Tubaeforme
2. A brazilinese

Question 14

In dogs and cats which hookworms are more pathogenic

Answer 14

A. Caninum and A. Tubaeforme

Question 15

Where does A. Caninum larvae arrest

Answer 15

Skeletal muscle and SI wall

Question 16

How are A. Caninum larvae activated

Answer 16

1. During pregnancy—> Transplacental transmission
2. When adult hookworms are lost

Question 17

T or F: A Tubaeforme can be transmitted transmammary/ transplacental

Answer 17

False

Question 18

What pathology is present in dog and cats infected with hookworms

Answer 18

Percutaneous infection and lung migration

Dermatitis and pruritus (on feet)
Pneumonia or other respiratory disease

Question 19

What zoonotic risk do dog and cat hookworms pose

Answer 19

Cutaneous larvae migrans

Question 20

Hookworm B. Phelbotmum infects what species

Answer 20

Cattle

Question 21

What are some tx for hookworms in ruminants

Answer 21

Macrocyclic lactons, benzimidazoles and levamisole

Question 22

What are some tx for hookworms in dogs and cats

Answer 22

Ivermectin, moxidectin

Question 23

What supportive care might be necessary following infection with hookworms

Answer 23

Blood transfusions

Question 24

Dog presented with pneumonia, dermatitis, pruritus. Was also anemic. Following egg was found on fecal what parasite

Answer 24

A. Caninum

Question 25

What do metastrongyloids infect

Answer 25

Respiratory system

Question 26

What species are primarily impacted by metastrongyloids

Answer 26

Cats, dogs, and small ruminants

Question 27

What are the metastrongyloid lungworms of sheep and goats

Answer 27

1. Protostrongylus rufescens 2. Muellerius capillaris

Question 28

Sheep or goat lung showed granulatomas lesions. What parasite caused this

Answer 28

Metastrongyloid lung worms: 1. Protostrongylus 2. Muellerius capillaris

Question 29

What is the most common lungworm of cats

Answer 29

Aeleurostrongylus abstrusus

Question 30

How do cats get A. Abstrusus

Answer 30

Predation of infected paratenic host

Question 31

What do adult A, abstrusus do to DH

Answer 31

Accumulate in bronchioles and alveolar ducts cause coughing sneezing, nasal discharge Severe infection: bronchopneumonia with chronic cough

Question 32

The following was taken from a cat who presented with a chronic cough, dyspnea, and nasal discharge. What is the parasite

Answer 32

A. Abstrusus

Question 33

What is the reservoir host for crenosoma Vulpis

Answer 33

Red fox

Question 34

What species does crenosoma Vulpis infect

Answer 34

Dogs

Question 35

How do dogs become infected with C. Vulpis

Answer 35

Eating infected gastropods

Question 36

What does C. Vulpis cause in dogs

Answer 36

Accumulate in bronchi and bronchioles cause persistent cough, and heavy infections can cause bronchopneumonia

Question 37

Dog presented with a persistent cough and the following was obtained. What could be causing this

Answer 37

C. Vulpis

Question 38

Metastrongyloids typically have a heteroxenous/indirect life cycle, what is an example of one that has a direct/ monoxenous life cycle

Answer 38

Filaroides

Question 39

What is the infective stage of filaroides

Answer 39

L1s

Question 40

What species and where does F. Osleri infect

Answer 40

Tracheal and bronchial nodules of dogs

Question 41

What species and where does F. Hirthi infect

Answer 41

Alveoli and bronchioles of dogs

Question 42

How can you dx metastrongyloids

Answer 42

Baermann test

Question 43

What are some tx for metastrongyloids

Answer 43

Fenbendazole

Question 44

Are rhabditida heteroxenous or monoxenous

Answer 44

Monoxenous

Question 45

Are spirurida heteroxenous or monoxenous

Answer 45

Heteroxenous

Question 46

What is intermediate host for spirurida

Answer 46

Arthropods

Question 47

What are rhabditids strongyloides spp also called

Answer 47

Threadworms

Question 48

What species for rhabditids infect and where

Answer 48

GI of mammals, birds, reptiles and amphibians

Question 49

All adult parasites of strongyloides spp are ___

Answer 49

Parthenogenetic females

Question 50

What species does S. Stercoralis infect

Answer 50

Dogs and cats

Question 51

S. Sterocoralis utilize auto infection, what is that

Answer 51

some L1s remain in host, develop Les which penetrate intestinal mucosa and Perianal skin `

Question 52

What is the tx for strongyloides in mammals

Answer 52

Ivermectin, benzimidazoles

Question 53

What is the tx for strongyloids in birds

Answer 53

Tetramisole