Cooperia
noun
Coo·pe·ria
kü-ˈpir-ē-ə 
: a genus of small reddish brown nematode worms (family Trichostrongylidae) including several species infesting the small intestine of sheep, goats, and cattle and sometimes held responsible for marked catarrhal inflammation, anemia, and diarrhea
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“Cooperia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Cooperia. Accessed 31 Oct. 2025.
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