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Lab 1 Appendix: Introduction to the Parasitology Laboratory

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Introduction

This lab is an introduction to some techniques used by veterinarians to detect eggs, cysts, and larvae of parasites in the feces of animals. Proper use of the microscope is vital to these techniques .

 

Objectives Checklist

9 Be able to run a passive fecal flotation.

9 Be able to run a centrifugational fecal flotation.

9 Be able to make a "wet mount" slide.

9 Be able to examine a slide made from any of the above techniques.

9 Be able explain what the various fecal examination techniques are best suited for and their problems (Table pg 5).

9 Be able to explain how a specimen is collected and processed for parasitology, as well as the timing of repeat fecal exams.

9 Have an appreciation of the general characteristics of the various phyla to which parasites belong (i.e. know how to determine if an organism is a protozoan, fluke, tapeworm, nematode or an arthropod).

 



Lab Exercises

A. Use of the microscope for fecal exams

Proper use of the Microscope.

B. Examining a wet mount

To help you determine if what you see during a fecal exam is parasitic, I've made a page showing the various non-parasitic artifacts and pseudoparasites that will be found in feces.  Check out the Artifacts page to avoid some of the more common non-parasites.

Click here to link to the data form to submit your fecal examination results.

C. Fecal examination techniques

D. Demonstrations of the taxa to which parasites belong

Demonstrations are set up in MDL 12 to illustrate the various taxonomic groups to which the common parasites of domestic animals belong. 

 

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Copyright © 2008 - University of Pennsylvania School of Veterinary Medicine, All rights reserved.
Faculty: Dr. Thomas Nolan
Students: Takis Weekes V'11, Molly Church V'09, Diana Knight V'08, Douglas Gilson V'05, Chris Dykhouse V'04, Kimberly Mah V'00

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