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The diagram above illustrates the life of an endoparasite of livestock. Use it to answer the...

Animal Husbandry
WAEC 2021

The diagram above illustrates the life of an endoparasite of livestock. Use it to answer the question below

The secondary host of the parasite is

  • A. pig
  • B. human
  • C. water snail
  • D. domestic fowl
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Correct Answer: Option A
Explanation

Water Snail: This is the first intermediate host, where the parasite develops before moving on to the next host.
Pig: Pigs can serve as secondary hosts for some liver flukes, as they can become infected by ingesting metacercariae.
Human: Humans can occasionally be hosts but are not typically considered as primary or secondary hosts in the classic life cycle of liver flukes.
Domestic Fowl: Generally not involved in the liver fluke life cycle and are not considered hosts.


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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts