We talk about growth in animal production because the animal has to grow before it is ready for consumption. Let's take 3 definitions of growth viz; 1. Growth can be defined as the correlated increase in the mass of the body at a definite interval of time in a way characteristics of the species. 2. It can also be defined as the increase in new biochemical units brought about by cell division and cell enlargement through the incorporation of materials from the environment 3. True growth also is an increase in the amount of tissues such as bones, muscles and internal organs. Growth and Development Animal development refers to the alterations in the forms of the animal from changes in the rate of increase of individual component of the body. Or it refers to the change in the conformation and functions of parts of the animal. Development comes as a result of growth, that is to say development is a consequent of growth. Growth of farm animals maybe grouped into two part
Poultry,piggery,fishery and microlivestock