Files
Abstract
Equations are derived which relate the components of beef cattle herds to certain basic data. By enabling the construction of series of models to represent real or theoretical situations the equations provide a useful tool for analysing the influence of selected factors upon herds or populations--particularly upon their components, turn off, and practicable rates of selection. The technique should be useful in economic, animal husbandry, and genetic studies, where decisions have to be taken upon management policy, and in evaluating proposals for private or public investments in station improvements or utilities for the cattle industry.