This thesis comprises four chapters. Chapters 1, 2 and 3 report scientific investigations involving performance recording of beef cattle. Chapter 4 contains conclusions and recommendations based on the investigations described in the first 3 chapters.
My responsibilities in the preparation of this thesis included a detailed review of the scientific literature on subject matter pertaining to performance recording of beef cattle. This is presented in chapter 1 and this entire chapter was my complete responsibility.
Chapter 2 describes the beef cattle breeding industry and the records which were available for this study. I am responsible for the contents and preparation of this chapter.
Chapter 3 includes the analysis and interpretation of the records used in this study. Dr. R. G. Beilharz assisted with the statistical analysis.
Chapter 4, which includes conclusions and recommendations resulting from this investigation, was entirely my responsibility.