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Objective:To evaluate the presence of gastrointestinal parasites on cattle inIndonesia because the prevalence of parasites varies between countries depending on the terrain surrounding livestock farms and investigations inIndonesia have never been performed.Methods:Fecal samples from cattle at35 farms in7 districts inWestJava,Indonesia, has been examined using the floatation or sedimentation methods, and a immunofluorescence assay and experimentally inoculation to mice forCryptosporidium or Giardia spp.Results:153 of394 examined cattle(38.8%) were infected with gastrointestinal parasites.The prevalence ofEimeria spp.,Nematoda spp. (includingOesophagustomum andBunostomum-like),Fasciola gigantica andParamphistomum spp. was22.4%,11.2%,12.5% and3.8%, respectively. Cryptosporidium andersoni(C. andersoni) was also found in two samples.One isolate of this parasite was confirmed to be transmitted to mice, in contrast to the isolates from other countries.Conclusions:although this survey is preliminary, the results shows that the infection of gastrointestinal parasites inIndonesia was not high, but these infected cattle could be as a potential source leading to economic losses in livestock production.