The specific dynamic action of food and the satiety mechanism

VOl.I 1 Antibiotics and copper in pig feeding 79 8. Food intake of pigs offered meal containing either 0.5 or 1.0% copper sulphate rapidly fell to a very low level and the pigs failed to gain weight.All pigs resumed satisfactory growth and food intake immediately the copper supplement was reduced to 0-1 %, or omitted from the diet. 9.The results obtained are discussed in relation to the known toxic effects of feeding of very high amounts of copper to sheep and cattle.