Q103: Which of the following is the cheapest source of energy... - Principle of Fish Nutrition - Fish Nutrition and Feed Technology- ICAR JRF/SRF 2024 | Agrigyan

• Comparative Cost of Macronutrient Energy Sources:
• Carbohydrates: Sourced from grains, cereal by-products (rice bran, wheat flour, broken rice), and starch tubers. They represent the cheapest and most abundant source of dietary energy in commercial feed production.
• Lipids: Provide the highest caloric density but are significantly more expensive than carbohydrates.
• Proteins: Sourced from fishmeal, poultry meal, or processed oilseed meals; protein is the single most expensive macro-ingredient in aquafeeds. Using protein for energy (instead of sparing it with carbohydrates and lipids) is economically inefficient.
• nalysis:
• (Carbohydrate): Correct.

Correct option: (2) Carbohydrate