Podcast
Questions and Answers
Which stage of the Trichostrongyle family parasite is the infective stage?
Which stage of the Trichostrongyle family parasite is the infective stage?
- L3 (correct)
- L1
- L4
- L2
Where is the bursa located in the male worm?
Where is the bursa located in the male worm?
- It does not have a bursa
- At the anterior end
- At the posterior end (correct)
- In the middle
Which age group is most affected by bovine parasitic gastroenteritis caused by Trichostrongyles?
Which age group is most affected by bovine parasitic gastroenteritis caused by Trichostrongyles?
- Lambs
- Adult cows
- Wild ruminants
- Calves and young stock (correct)
How many blastomeres does a typical strongyle egg have?
How many blastomeres does a typical strongyle egg have?
Which stage of the Trichostrongyle family parasite retains the sheath of L2, giving it a wrinkled appearance?
Which stage of the Trichostrongyle family parasite retains the sheath of L2, giving it a wrinkled appearance?
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Study Notes
Trichostrongyle Parasite Life Cycle
- The infective stage of the Trichostrongyle family parasite is the L3 (third-stage larva) stage.
Trichostrongyle Parasite Anatomy
- The bursa is located in the male worm.
Epidemiology of Bovine Parasitic Gastroenteritis
- The age group most affected by bovine parasitic gastroenteritis caused by Trichostrongyles is young cattle.
Trichostrongyle Parasite Development
- A typical strongyle egg has four blastomeres.
Trichostrongyle Parasite Morphology
- The L2 stage of the Trichostrongyle family parasite retains the sheath, giving it a wrinkled appearance.
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