Topics: Animal Nutrition, Animal Refresher

DCP Percentage of Groundnut Cake (GNC)

Question

The DCP (Digestible Crude Protein) percentage of Groundnut Cake (GNC) is:

Select an answer

The DCP (Digestible Crude Protein) percentage of Groundnut Cake (GNC) is:

  1. 26%
  2. 28%
  3. 35%
  4. 45% — Correct Answer
Explanation:
Correct Answer: 45%

Groundnut cake (GNC) has a DCP of 45%, making it one of the richest protein supplements of plant origin.

DCP Values of Common Feeds (from the book)
  • GNC (Groundnut Cake): 45% DCP
  • Cotton seed cake: TDN = 80%
  • Wheat straw: DCP = 0%
  • Paddy straw: DCP = 0.2%
  • Lucerne hay: Highest DCP% among hays
GNC Anti-nutritional Factor

GNC can be contaminated with Aflatoxin (produced by Aspergillus flavus in stored groundnuts). Treatment: NH₃ or NH₄OH treatment inactivates aflatoxin.

Collagen — Richest in Glycine

Collagen contains 35% Glycine, 21% Proline + Hydroxyproline. It is deficient in Cysteine and Tryptophan.

📚 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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