Related Experiment Video
Updated: Jan 21, 2026
05:55
Rapid Isolation of Wild Nematodes by Baermann Funnel
Published on: January 31, 2022
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[Macro-Baermann--a method for parasitological examination of herbage samples]
Nordisk Veterinaermedicin
|March 1, 1982
Summary
A simplified Baermann technique efficiently extracts trichostrongylide larvae (L3) from herbage. This method recovers 30-60% of Ostertagia ostertagi and Cooperia oncophora larvae from large samples.
Area of Science:
- Veterinary Parasitology
- Animal Science
- Agricultural Science
Context:
- Accurate quantification of parasitic nematode larvae in forage is crucial for livestock health management.
- Existing larval extraction methods can be time-consuming and complex.
- Herbage analysis is key to understanding parasite transmission cycles in grazing animals.
Purpose:
- To describe a modified and simplified Baermann technique for extracting trichostrongylide larvae (L3) from herbage samples.
- To improve the efficiency and accessibility of larval enumeration in veterinary diagnostics.
Summary:
- A modified Baermann technique was developed, simplifying a previous method by Persson (1974).
- The technique was applied to 150-200 g herbage samples.
- Recovery rates of 30-60% for Ostertagia ostertagi and Cooperia oncophora larvae (L3) were achieved.
Impact:
- Provides a practical and effective tool for veterinarians and researchers to assess parasitic contamination of pastures.
- Facilitates better-informed decisions regarding parasite control strategies in ruminant livestock.
- Contributes to reducing the economic impact of parasitic infections in agriculture.
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