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Nutritional requirement of shellfish is effected by
EXPLANATION
Lipid & Fatty Acid Nutrition
- Nutritional Modulation in Shellfish (Shrimps, Crabs, Molluscs):
- Abiotic Factors: Temperature, dissolved oxygen, salinity, and photoperiod directly influence metabolic rate, feed intake, and nutrient assimilation.
- Life Stage & Age: Larval stages (zoea, mysis, postlarvae) demand significantly higher dietary protein ($40-50\%$) and phospholipids than juveniles and adults.
- Water Quality & Health Status: Sub-optimal ambient parameters or pathogen exposure increase maintenance requirements and demand elevated levels of protective nutrients (vitamin C, immunostimulants).
- nalysis:
- All listed abiotic, biotic, ontogenetic, and physiological factors collectively govern nutritional demands. Hence, Option 4 (All statements are true) is correct.
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