Q.37
Animal Genetics and Breeding- ICAR JRF/SRF 2024
MCQ (Single Correct)
In CNCPS system, the fraction B3 of proteins refers to
  • CNCPS Protein Partitioning:
  • Fraction A: Non-Protein Nitrogen (NPN), instantly degraded in the rumen ($A = \text{Soluble Protein} - \text{True Soluble Protein}$).
  • Fraction B1: Rapidly degraded true protein (buffer soluble, TCA precipitable).
  • Fraction B2: Moderately degraded protein ($B2 = \text{Total Protein} - A - B1 - B3 - C$).
  • Fraction B3: Slowly degraded protein associated with plant cell walls:
$$\mathbf{B3 = \text{NDIP} - \text{ADIP}}$$

(Neutral Detergent Insoluble Protein minus Acid Detergent Insoluble Protein).

  • Fraction C: Completely indigestible protein ($C = \text{ADIP}$).
  • nalysis:
  • (NDIP - ADIP): Correct definition of Fraction B3.

Correct option: (4) NDIP -ADIP

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