Unveiling the World of Liver Fluke: Understanding its Causative Organism, Life Cycle, and Associated Disease

Unveiling the World of Liver Fluke: Understanding its Causative Organism, Life Cycle, and Associated Disease

Learning Objective

At the end of the lesson, you will be able to describe the causative organism, its life cycle, and the associated disease of liver fluke.

What do you already know about liver fluke?

Introduction to Liver Fluke

Liver fluke is a parasitic flatworm that infects the liver and bile ducts of various mammals, including sheep, cattle, and humans.

Causative Organism

The causative organism of liver fluke is a parasitic flatworm known as Fasciola hepatica.

Life Cycle of Liver Fluke

The life cycle of liver fluke involves both intermediate hosts, such as snails, and definitive hosts, such as mammals.

Infection and Symptoms

Humans can become infected through ingestion of contaminated water or plants. The infection can lead to symptoms such as abdominal pain, fever, and jaundice.

Economic Impact

Liver fluke infection in livestock can result in economic losses due to reduced productivity and treatment costs.

Prevention and Control

Preventive measures include proper pasture management, deworming of animals, and avoiding consumption of contaminated water and plants.

Summary and Review

Summarize the key points about liver fluke, its causative organism, life cycle, associated disease, and preventive measures.

Write down 3 things you learned in this lesson.

Have students enter three things they learned in this lesson. With this they can indicate their own learning efficiency of this lesson.

Write down 2 things you want to know more about.

Here, students enter two things they would like to know more about. This not only increases involvement, but also gives them more ownership.

Ask 1 question about something you haven't quite understood yet.

The students indicate here (in question form) with which part of the material they still have difficulty. For the teacher, this not only provides insight into the extent to which the students understand/master the material, but also a good starting point for the next lesson.