COMPLETE DRUG DEVELOPMENT
AND ANIMAL HEALTH RESEARCH SERVICE
FOR DOMESTIC AND WILD ANIMALS

 
NORTH AMERICA and EUROPE
• Beef Cattle
• Dairy Cattle
• Feedlot Cattle
• Swine
• Small Ruminants
• Equine
• Wildlife

3705 Sequoia Trail Verona, Wisconsin 53593 608-798-4901 drbliss@chorus.net
 

Guide to Internal Parasites of Equine


 
Modified Wisconsin Sugar Fecal Worm Egg Flotation Method

1. Fecal samples can be stored for long periods if refrigerated (not frozen).
2. Sugar solution is prepared by adding 1 lb. of sugar into 12 fluid oz. (355 ml) of hot water; stir until all sugar is dissolved.
3. Slides can usually be placed in the refrigerator for several days prior to reading.
4. Identify parasites present: +(1-10 eggs/sample) ++(11-50 eggs/sample) +++(over 50 eggs/sample)
5. # of eggs found x 150 = # of eggs per pound feces
6. Materials needed: a. Sugar solution plus dispensing bottle, gun, or syringe
    b. Tea strainer
    c. 3 oz. and 5 oz. Dixie cups
    d. Tongue depressors
    e. Taper-bottom test tubes
    f. Test tube rack
    g. Standard microscope slides
    h. Centrifuge
    i. Microscope