GIT Nematodes (Ru, swine and goose)

Question 1

How many times do the nematodes moult during their ontogenic development?

Answer 1

4

Question 2

What is the most important host of Haemonchus contortus?

Answer 2

Sheep

Question 3

What is the rate of mortality in case of type II ostertagiosis?

Answer 3

High

Question 4

Which of the trichostrongylid worms have the largest eggs?

Answer 4

Nematodirus

Question 5

What is the best way to detect eggs of trichostrongylids in faeces?

Answer 5

Flotation

Question 6

What is the name of the expanded chitinous mouthpart of the nematodes?

Answer 6

Buccal capsule

Question 7

What genera of worms can cause villous atrophy and erosion in the jejunum?

Answer 7

Cooperia
Nematodirus
Trichostrongylus

Question 8

What is the method to separate the different trichostrongylid worms in faecal sample?

Answer 8

Faecal culture of larvae

Question 9

Eggs of the gastrointestinal worms are:

Answer 9

Thin-shelled

Question 10

Which worms can cause haemorrhagic gastritis amount the following ones?

Answer 10

Haemonchus

Question 11

What term is correct for the nematodes?

Answer 11

Sexes are usually separated

They are covered by cuticle

Question 12

What species can be found in abomasum of cattle?

Answer 12

Ostertagia ostertagi

Question 13

What kind of morphologic character does not fit for Haemonchus contortus

Answer 13

Smaller than 1 cm!
Ones that do fit:
Red-white mottled body
Prominent cervical papillae on head 
Buccal lancet in the mouth

Question 14

What worms can cause submandibular oedema within the group of trichostrongylids?

Answer 14

Haemonchus

Question 15

Where does the third molt of trichostrongylid larvae take place?

Answer 15

In the mucosa

Question 16

What organ can be the part of the body of nematodes?

Answer 16

Spiculum
Bursa copulatrix
Uterus

Question 17

Which worms can produce umbilicated nodules on the surface of mucosa?

Answer 17

Ostertagia

Question 18

What type of diarrhoea can be observed during the winter form of ostertagiosis?

Answer 18

Intermittent

Question 19

What is a correct term that characterizes the Hyostrongylus worms?

Answer 19

Small cephalic vesicle
Reddish body
(not bisexual or 5cm)

Question 20

How long is the praepatent period of the gastrointestinal worms usually?

Answer 20

3 weeks

Question 21

What species can be found in jejunum of sheep?

Answer 21

Cooperia curticei

Namatodirus battus

Question 22

What morphological character does not fit for Nematodirus worms?

Answer 22

Red-white mottled body

Coiled posture

Question 23

These worms live in the stomach

Answer 23

Haemonchus

Hyostrongylus

Question 24

Where does the first molt of trichostrongylid larvae take place?

Answer 24

On pasture

Question 25

What can be the name of larvae of gastrointestinal worms after second molt?

Answer 25

Third larvae or infective larvae

Question 26

Which worms can produce diphtheritic gastritis?

Answer 26

Hyostrongylus

Question 27

What is the rate of morbidity in case of type 1 (summer form) of ostertagiosis?

Answer 27

High

Question 28

Where do the eggs of trichostrongylids hatch?

Answer 28

On pasture

Question 29

Hypobiotic period of larvae is always...,than normal praepatent period.

Answer 29

Longer

Question 30

Which adult worm is the smallest?

Answer 30

Hyostrongylus rubidus

Question 31

What is the cell stage of Hyostrongylus egg in vomitus?

Answer 31

4-8 cell stage

Question 32

What is the infective stage of Hyostrongylus rubidus?

Answer 32

L3 infective stage

Question 33

What is the Latin name of gizzard worm?

Answer 33

Amidostomum anseris

Question 34

Gizzard worms effect:

Answer 34

Goslings, ducklings, young aquatic fowls