Topics: Animal Nutrition, Animal Refresher

Proximate Principle for Which Digestibility Cannot Be Determined

Digestibility cannot be determined for which of the following proximate principles?

NFE
Crude Fibre (CF)
Crude Protein (CP)
Total Ash

Proximate Principle for Which Digestibility Cannot Be Determined

Digestibility cannot be determined for which of the following proximate principles?

Options

NFE
Crude Fibre (CF)
Crude Protein (CP)
Total Ash ✓

Correct Answer: D

Explanation in English

Correct Answer: Total Ash

Digestibility of Total Ash cannot be determined because ash does not contribute to the energy content of a feed. Digestibility is an energy-based concept — inorganic minerals have no caloric value.

Proximate Principle	Digestibility Determinable?
Crude Protein (CP)	Yes
Ether Extract (EE)	Yes
Crude Fibre (CF)	Yes
NFE	Yes
Total Ash	No — no energy value
Moisture	No

Note: NFE is also not directly analysed (calculated by difference) but its digestibility CAN be determined.

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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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