MINERAL ASSIMILATION FROM TWO TYPICAL FODDERS.

                                                    BY

                                A. VISWANATHA IYER, B.A.,

                                                 AND

                                   N. KRISHNA AYYAR, B.A.

                    (From the Animal Nutrition Section, Bangalore.)

                (Received for publication on the 25th January 1934.)

The work recorded in this paper is a continuation of experiments published a
year ago by Warth, Viswanatha Iyer and Krishna Ayyar [ 1932 ]. The references to
the literature on the subject and the object of the present enquiry having been set
forth fully in the first paper, these matters need not be touched upon here again.
The fodders previously tested were Ragi straw and mature hay. In the present
experiments Jouar hay and Rice straw have been tested.

The procedure adopted was exactly the same as that already described. A long
period feeding test was carried out with the two fodders, three bullocks being main-
tained on each. A small amount of concentrate was fed to all animals alike to
ensure a sufficiency of protein.

        The feeding test was divided into three periods :—
         First Period:—The fodder without mineral supplement.
         Second Period:—The fodder with supplement of calcium phosphate.
         Third Period:—The fodder with calcium phosphate and green food. The last
test was intended, as in the previous experiments, to determine whether green food
with its accompanying vitamins led to further assimilation. During each period
numerous determinations of the mineral balance were made. Variations in the
quality of the fodders during the course of the experiment are shown in Table I.

                                  TABLE I.

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