Mnumber of techniques have been in use for animal diet formulation for more than 100 years. For an effective animal diet, different nutrient ingredients are combined in such a way that they provide all necessary nutrition at different stages of production. Different class of animal has different requirement of energy to maintain growth, metabolism, reproduction and lactation. While formulating animal diet other factors are also considered; such as digestibility, acceptability of nutrient ingredients, cost factor and minimum presence of toxic elements. Objective of animal diet formulation is to produce an effective diet at minimum cost to provide appropriate energy to animal.
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