Acknowledgements
We are grateful to Dr. Leyden Baker, International
Livestock Research Institute, who directed the research, for permission to use
data collected during the experiment for this case study. Teachers and other
users of this case study are welcome to use the data for further analysis but
not to publish any results without permission from the International Livestock
Research Institute. We also thank Dr. John Rowlands for guidance in developing
this case study.
Unless otherwise indicated, photographs were taken by Dave Elseworth. |