Order Strongylida

Question 1

subfamily strongylinae common name:

Answer 1

large strongyles

Question 2

subfamily Cyathostominae common name:

Answer 2

small strongyles

Question 3

hosts

Answer 3

all horse species

Question 4

size of adult Strongylinae

Answer 4

1.5-5 cm

Question 5

size of adult Cythanostominae

Answer 5

less than 1.5 cm

Question 6

size of Strongylinae egg

Answer 6

60-120 x 35-60 micrometers

Question 7

size of Cythanostominae egg

Answer 7

60-120 x 35-60 micrometers

Question 8

development of Strongylinae

Answer 8

migrate through organs

Question 9

development of Cythanostominae

Answer 9

encyst in intestinal walls

Question 10

do Strongylinae have anthelmintic resistance?

Answer 10

No- can be controlled by them

Question 11

Do Cythanosominae have anthelmintic resistance?

Answer 11

yes

Question 12

characteristics of superfamily strongyloidea

Answer 12

buccal capsule well developed
all mouth capsules are globular!!
teeth usually present
direct life cycle
L3 is infective stage

Question 13

what are the large strongyles?

Answer 13

Strongylus vulgaris
Strongylus edentatus
Strongylus equinus

Question 14

large strongyles are _____

Answer 14

bloodsuckers

Question 15

greater than ____ species of cythanostominae

Answer 15

50

Question 16

Cythanosominae cause _____

Answer 16

diarrhea

Question 17

mouth capsule of Cythanostominae

Answer 17

rectangular

Question 18

Cythanostominae site of infection

Answer 18

large intestine

Question 19

Cythanostominae pathogenesis

Answer 19

Larval cyathostominosis, lymphocytic infiltration, colitis

Question 20

clinical signs of Cythanostominae

Answer 20

mainly associated with L4

chronic diarrhea and weight loss

Question 21

Cythanostominae diagnosis

Answer 21

fecal examination, distinguish larvae of small vs. large strongyle

Question 22

treatment of Cythanostominae

Answer 22

BZ’s and MCL’s

Question 23

prevention of Cythanostominae

Answer 23

manage pasture, treat animals, clean up feces, mixed grazing, do not overstock

Question 24

large strongyles have longer ____

Answer 24

PPP

Question 25

large strongyles are _____ common

Answer 25

less

Question 26

which large strongyle is most pathogenic?

Answer 26

Vulgaris

Question 27

which large strongyles cause anemia?

Answer 27

Edentatus and Equinas

Question 28

do all horses have small strongyles?

Answer 28

yes

Question 29

in small strongyles emergence of ____ is most damaging

Answer 29

L4