Presence of Paragonimus species within secondary crustacean hosts in Bogotá, Colombia


  • Gillian Phillips Georgia State University, Maritime Aquarium at Norwalk
  • David M. Hudson Maritime Aquarium at Norwalk, National University of Colombia, Atlanta Metropolitan State College
  • Jenny J. Chaparro-Gutiérrez University of Antioquia



crabs, invasive species, Neostrengeria macropa, Procambarus clarkii, trematode


Background: Paragonimus spp. are trematode parasites that infect human populations worldwide. It is believed that infection rates within Asia reach five to ten percent of the total population. Three of the largest areas of possible infection are Asia, Central and South America as well as Africa, where the total population at risk is estimated to be 293 million people. Humans are infected via ingestion of raw or undercooked decapod crustaceans. Objective: To identify the presence of Paragonimus spp. in crabs from Bogotá, Colombia. Methods: The native crab Neostrengeria macropa and the aquatic invasive crayfish Procambarus clarkii in Bogotá, Colombia, were collected from local markets, pet stores and waterways and dissected to assess the presence of Paragonimus spp.  Results: The native crab species, N. macropa (n=29) had an infection prevalence of 17.2%, while the invasive crayfish species, P. clarkii (n=22), had a prevalence of 36.4% combined from both field captured animals and purchased samples. Conclusion: Although the estimated prevalence is lower compared to previous studies in other cities of Colombia, Paragonimus represent a risk to human health. Several environmental factors may contribute to the difference in prevalence including collecting season, rainfall, temperature, altitude and the El Niño Southern Oscillation.

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Author Biographies

Gillian Phillips, Georgia State University, Maritime Aquarium at Norwalk

MPH., Georgia State University, Atlanta, Georgia, USA. Maritime Aquarium at Norwalk, Norwalk, Connecticut, USA.

David M. Hudson, Maritime Aquarium at Norwalk, National University of Colombia, Atlanta Metropolitan State College

PhD., The Maritime Aquarium at Norwalk, Norwalk, Connecticut, USA. Institute of Natural Sciences, National University of Colombia, Bogotá, Colombia. Atlanta Metropolitan State College, Atlanta, Georgia, USA.

Jenny J. Chaparro-Gutiérrez, University of Antioquia

VM, Ms, DrSci., CIBAV Group, Veterinary Parasitology Laboratory, School of Veterinary Medicine, University of Antioquia (UdeA), Medellin Colombia.


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How to Cite

Phillips, G., Hudson, D. M., & Chaparro-Gutiérrez, J. J. (2019). Presence of Paragonimus species within secondary crustacean hosts in Bogotá, Colombia. Revista Colombiana De Ciencias Pecuarias, 32(2), 150–157.



Original research articles