Question:
Which among the followings is not a proximate principle?
Which among the followings is not a proximate principle?
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Remember the six proximate principles: Moisture, Crude Protein, Ether Extract, Crude Fiber, Nitrogen-Free Extract, and Ash.
Any specific mineral (like Calcium or Phosphorus) is a sub-component of Ash.
Any specific mineral (like Calcium or Phosphorus) is a sub-component of Ash.
Updated On: Aug 5, 2026
- Crude protein
- Calcium
- Ether extract
- Nitrogen free extract
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
The Weende (or proximate) analysis is a chemical method used to partition feedstuffs into six primary fractions.
These fractions, known as the proximate principles, represent the broad nutritional categories of a feed.
Step 2: Detailed Explanation:
The six proximate principles defined in the Weende analysis system are:
Moisture: The water content of the feed.
Crude Protein (CP): Calculated from the total nitrogen content ($N \times 25$).
Ether Extract (EE): Represents the crude fat and lipid-soluble components.
Crude Fiber (CF): Represents the insoluble carbohydrates (cellulose, hemicellulose, lignin).
Nitrogen-Free Extract (NFE): Represents the soluble, easily digestible carbohydrates.
Ash: Represents the total mineral matter remaining after complete combustion.
Calcium is an individual macromineral found within the Ash fraction.
While it is an essential nutrient, calcium itself is not classified as one of the six primary proximate principles.
Step 3: Final Answer:
Calcium is an individual mineral component rather than one of the six primary proximate principles.
The Weende (or proximate) analysis is a chemical method used to partition feedstuffs into six primary fractions.
These fractions, known as the proximate principles, represent the broad nutritional categories of a feed.
Step 2: Detailed Explanation:
The six proximate principles defined in the Weende analysis system are:
Moisture: The water content of the feed.
Crude Protein (CP): Calculated from the total nitrogen content ($N \times 25$).
Ether Extract (EE): Represents the crude fat and lipid-soluble components.
Crude Fiber (CF): Represents the insoluble carbohydrates (cellulose, hemicellulose, lignin).
Nitrogen-Free Extract (NFE): Represents the soluble, easily digestible carbohydrates.
Ash: Represents the total mineral matter remaining after complete combustion.
Calcium is an individual macromineral found within the Ash fraction.
While it is an essential nutrient, calcium itself is not classified as one of the six primary proximate principles.
Step 3: Final Answer:
Calcium is an individual mineral component rather than one of the six primary proximate principles.
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