Operating since 1985
Veterinary Parasitology Laboratory
3705 Sequoia Trail
Verona, Wisconsin 53593
Saving your animals from parasites by Using Fecal Worm Egg Counts to Determine Deworming Strategy!

Guide to Internal Parasites of Swine

Ascaris Suum (Swine roundworm)
Trichuris Suis (Whipworm)
Strongyloides Ransomi (Heavy threadworm)
Oesophagostomum Dentatum (Nodular worm)
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