Microfauna of the Rumen

Question

Microfauna of the rumen contains which of the following?

Select an answer

Microfauna of the rumen contains which of the following?

  1. Bacteria
  2. Fungi
  3. Protozoa — Correct Answer
  4. All the above
Explanation:
Correct Answer: Protozoa

Microfauna = animal-like microorganisms = Protozoa (predominantly ciliate protozoa in the rumen).

Protozoa Key Facts
  • Population: 10⁶ per ml of rumen liquor
  • 'Mini-ruminants' (Von Soest) — engulf and ferment plant particles
  • Predate on bacteria → control total bacterial population
  • Removal = Defaunation (using CuSO₄ or sodium lauryl sulphate)

📚 About this Topic — Animal Nutrition

This multiple choice question is from Animal Nutrition, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Nutrition to strengthen your preparation.

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