Animal Health Diagnostic Center

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ticks Experienced veterinary diagnostic parasitologists identify ticks at the AHDC    more

Tick Identification


mosquitoes on dog Mosquito season is here. We can confirm heartworm.

Mosquito season is here!


The Parasitology Section of the Animal Health Diagnostic Center is a full-service parasite diagnostic laboratory capable of diagnosing infections in domestic and wild animals. This service is provided in an accurate, timely and cost efficient manner. Accurate identification of parasites benefits animals, their owners and veterinarians by helping to improve animal health.

Services provided by the Parasitology Section include:

Detection and identification of domestic and wild animal parasites from animal feces, animal tissues, fluids and environmental samples

Tests conducted to identify parasites in feces include:

  • Qualitative and quantitative centrifugation concentration flotation techniques
  • Antigen capture ELISA tests for Giardia and Cryptosporidium
  • Nematode larvae cultures
  • Direct fecal smears (wet mounts)
  • Baermann technique for recovery of nematode larvae                 

Test conducted to identify parasitic infections using serum include:

  • Occult heartworm test
  • Toxoplasma IgG ELISA
  • Feline antibody heartworm test

Other tests conducted include:

  • Knott’s technique for microfilariae in blood
  • Parasite identification - whole parasites, on histological slides, in a biopsy
  • Tritrichomonas foetus InPouch culture test
  • KOH digestion of skin scrapings to retrieve ectoparasites
  • Whirling Disease testing of fish
  • Sand recovery analysis for horses

Samples received for examination include feces, blood, urine, tracheal washes, duodenal aspirates, skin scrapings, entire endo- and ectoparasites, necropsy samples, feed samples , and environmental samples such as soil and composted material.