Processes of the Rumen

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Introduction

This lesson would be conducted after instruction has occurred on the digestive tract of a ruminant, prior knowledge of vocabulary is assumed. This lesson is designed to study the physiology of the ruminant stomach and the type of digestion that occurs in each compartment. Students will observe the internal tissue of each of the four compartments of the ruminant stomach and determine the process of consuming dry matter and ending with liquid digestia. Students will dissect the stomach of a lamb taking a piece of each stomach and a sample of digestia from each and record observations using the dissecting microscope.

Lesson Time

One block period
96 Minutes

Industries / Subjects / Grades

Industries / Pathways
  • Agriculture & Natural Resources Agriculture & Natural Resources

Standards and Objectives

Standards

California's 2008 CTE Standards (3)

Related Instructional Objectives (SWBAT...)

  • Students will be able to identify the function of each of the four compartments of the ruminant stomach as well as the moucosa of each compartment and its function in digestion.
  • Students will complete a flow chart to show where nutients first enter the ruminant stomach and where they complete nutrient breakdown within the four compartments
  • Students will use the dissecting microscope correctly
  • Students will draw the internal mucousa for each compartment and describe why the surface is constucted in its unique way
  • Students will record their observations of the digestia of each compartment

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