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In ruminant nutrition, what is the term for the process of microorganisms breaking down cellulose and other complex carbohydrates in the stomach?
Question

In ruminant nutrition, what is the term for the process of microorganisms breaking down cellulose and other complex carbohydrates in the stomach?

A.

Rumen fermentation

B.

Absorption

C.

Peristalsis

D.

Excretion

Correct option is A

The correct answer is: (A) Rumen fermentation
Explanation
In ruminant animals like cows, sheep, and goats, the process by which microorganisms break down cellulose and complex carbohydrates in the rumen (the largest stomach compartment) is known as rumen fermentation.
This microbial activity allows ruminants to digest plant fibers that non-ruminants cannot. Microbes in the rumen convert these carbohydrates into volatile fatty acids (VFAs).
Information Key Points
  • Breaks down cellulose, hemicellulose, and other plant fibers.

  • Provides energy and also synthesizes proteins and vitamins for the animal.

  • Involves bacteria, protozoa, and fungi living symbiotically in the rumen.

Information Booster:
  • Absorption: This refers to the uptake of nutrients from the digestive tract into the bloodstream.

  • Peristalsis: It is the muscular movement of the digestive tract that moves food along.

  • Excretion: Refers to the elimination of waste products.

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