Modern Pig-Feeding in 1917-20. By K. J. J. Mackenzie and
John Fleming. (University of Cambridge School of Agriculture.) —Farmers ought to read this little pamphlet, describing some experiments in pig-feeding made during the war by the Reader in Agriculture at Cambridge. As Professor Wood points out in a preface, the results attained are of great practical value. It was proved that palm kernel cake, which is still relatively cheap, is a first-rate pig food. Again, it was shown that the addi- tion of a small quantity of dried blood, containing vitamines, makes the cake more suitable for young pigs. Further, maize combined with the cake had an almost magical effect in fattening the hogs for bacon, because the excess of carbohydrate in the maize balanced the excess of protein in the palm kernel cake. The experiments are recorded in detail, and speak for them- selves. The authors recommend farmers to turn their young pigs on to "any decent grassland on honest if 'difficult ' clay," as has been done at the Cambridge experimental farm.
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