Nutrient Needs of Man and Animals

Authored by: John P. McNamara

Handbook of Nutrition and Food

Print publication date:  July  2013
Online publication date:  April  2016

Print ISBN: 9781466505711
eBook ISBN: 9781466505728
Adobe ISBN:


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The nutritional requirements for different species of animals, including mammals, birds, and fish, vary markedly. Some of the factors affecting nutritional requirements are age, gender, stage of maturity, level of activity (work); body size, type, and level of production (i.e., lean or adipose body tissue, milk, eggs, wool, bone growth, etc.); environment (temperature, wind speed, moisture); physiological function (i.e., maintenance, pregnancy, lactation); and health status (presence of disease). The basic nutrient requirements for glucose, amino acids, fatty acids, vitamins, and minerals are quite universal among species, with some important differences. However, the dietary feedstuffs used to supply those requirements vary widely.

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