The high fat diet, as might be expected, tended to give reactions in the more acid range of the normal variations.
The pH of the Contents of the Gastrointestinal Tract in Dogs, in Relation to Diet and Rickets
In the experiments reported in the present paper, dogs were used. The diets provided were as follows, used ad l&turn.
Diet 1 .-125 gm. of lean meat, 100 gm. of cracker meal, 15 gm. of lard, 30 gm. of bone ash, 300 cc. of water. This is a routine normal diet.
Diet 2.-25 gm. of meat, 150 gm. of cracker meal, 30 gm. of lard, 30 gm. of bone ash, 350 cc. of water. This diet is relatively high in carbohydrate and low in protein.
Diet 3.-Lean meat-a high protein diet.
Diet 4.-50 gm. of meat, 50 gm. of cracker meal, 180 gm. of lard, 30 gm. of bone ash. This provides a high fat diet.
Diet 5.-175 cc. of whole milk, 200 gm. of white bread, 2 gm. of N&l. This is Mellanby’s Diet 2 (21) with which he produced rickets in puppies.
Diet 6.-l0 cc. of cod liver oil added to Diet 5