How does age affect the nutrient requirements of animals?

Younger animals have higher nutrient requirements for protein and energy due to their rapid growth and development. During this crucial stage, they need an abundance of amino acids and energy sources to support muscle growth, bone development, and overall physiological functioning. This growth phase is characterized by increased rates of cell division and metabolic activity, necessitating greater nutrient intake compared to older animals, which may have more stable nutrient needs.

As animals age, they generally shift from a growth phase to maintenance and sometimes a decline in metabolic rate, reducing their requirements for protein and energy. Thus, the distinction in nutrient needs based on age is essential for ensuring optimal health and growth in younger animals, underscoring the importance of appropriately formulated diets to meet these demands.