184    THE INDIAN JOURNAL OF VETERINARY SCIENCE AND ANIMAL HUSBANDRY [ I, III

experiment are given in Tables III to VII. Under this ration the condition of the
animals improved considerably and they gained in weight as shown in the body
weight curve, and the negative daily nitrogen balance with rice straw fed ad-lib
converted to a positive one with maize has been maintained and improved as the
following Table shows:—

    From these figures it will be seen that about 1 lb. of toria cake would be quite
sufficient as an added concentrate in addition to rice straw fed ad-lib in order to
obtain a maintenance ration for cows of the above description.

    The digestibility coefficients of the proteins of maize grain and toria cake work
out to 62.05 and 82.81 respectively which indicate the superiority of the protein of
toria cake. This is further reflected by the general increase of weights of the
animals when on the successive rations, rice straw and maize grain and rice straw
and toria cake, and by the greater quantity of rice straw eaten—about twice as
much—during the rice straw and toria cake period when compared with the rice
straw and maize grain period. The addition of toria cake to rice straw stimulated
both appetite and digestion of the rice straw as shown in the Table below. Further
work is required in this matter however.