Q.1
Fish Nutrition and Feed Technology- ICAR JRF/SRF 2024 (Q.89)
MCQ (Single Correct) +4 −1

Which of the following content is inversely proportional to the fat content of fish muscle?

  • Proximate Composition Dynamics in Fish Flesh:
  • In fish muscle tissue, a well-established classical inverse physiological relationship exists between water (moisture) and crude lipid (fat) content:
$$\text{Moisture (\%)} + \text{Fat (\%)} \approx \text{Constant (80\% - 85\%)}$$
  • As a fish accumulates energy stores (fat deposition during active feeding periods or high dietary lipid intake), water molecules within adipose and intracellular spaces are displaced by triglycerides.
  • Conversely, during starvation or reproductive mobilization, lipids are depleted and replaced by water.
  • nalysis:
  • (Water): Correct. Water content is inversely proportional to fat content.
  • Protein and Ash: Remain relatively stable across fluctuating nutritional states.

Correct option: (4) Water

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