Studies on the effect of some nitrogenous materials on the food intake of sheep : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy at Massey University

The problem of how mammals regulate their food intake is in itself, of sufficient scientific interest to justify its intensive study. To those concerned with human biology, additional impetus is provided by the prevalence in affluent societies of disorders of health associated with the excessive intake of food. To those concerned with animal production, there is the realisation that optimum food intake is the major determinant of efficient production. In practice, the nutritive value of many of the foodstuffs the ruminant is called on to convert to useable products is limited by the amount eaten