What is the species of the man and dog Strongylid? - ProProfs Discuss
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What is the species of the man and dog Strongylid?



This question is part of Strongyles
Asked by OBrienEE, Last updated: Dec 05, 2017

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2 Answers

i.Rubiny

I.Rubiny

Answered on Oct 04, 2017

Stercoralis is the species of the man and dog strongylid. The strongyloid's life cycle is heterogonic—it is more complex than that of most nematodes, with its alternation between free-living and parasitic cycles, and its potential for autoinfection and multiplication within the host. The parasitic cycle is homogonic, while the free-living cycle is heterogonic.

The heterogonic life cycle is advantageous to the parasite because it allows reproduction for one or more generations in the absence of a host. In the free-living cycle, the rhabditiform larvae passed in the stool can either molt twice and become infective filariform larvae (direct development) or molt four times and become free-living adult males and females that mate and produce eggs from which rhabditiform larvae hatch.

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OBrienEE

OBrienEE

Answered on Aug 28, 2017

Stercoralis
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