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Published online by Cambridge University Press: 23 November 2017
Systems analysis enables us as to know how the genetic, management, or environmental changes affect the system or how the system should be used for testing new hypothesis (Cartwright, 1979). Modelling is a major tool in this respect. The objective of this study was to develop two computer programs with year-by-year flow chart presentation to adopt the optimum-design, two-breed crossbreeding systems for self-contained meat sheep enterprises. The economic consequences based on the user-input data envisaged for a 10-year time period.