EVALUATION OF RICE BY-PRODUCTS IN SWINE NUTRITION. H. RICE BRAN FOR GROWING-FINISHING
Abstract
A research was conduted to get information on the possibility of parcial substitution of com by rice by-products in concentrate diets. The experimenta took place at Santa Rosa Swine Evaluation Station. In one experiment, rice polish was used, and in a second one, rice bran, which is the most externai part of the grain, originated from the third and the fourth mil)-balls. There were four treatments with ten replications each. Com was replaced by rice bran at the percentages of O, 20, 40 and 60%. The forty castrated mele pigs were from the Large White breed, with average liveweight of 26.5 kg at the beginning of the experiment. The resulta showed no differénces among the treatments (P> 0.05) concemi ng the suitable period to get 100 kg of live weight,feedintake, daily average weight gain and carcass traces, as body length, longissimus muscle shape, average backfat, meatlfat ratio and ham weight. The nutritious conversion improved as the percentage of rice bran increased (F.< 0.05). The digestible energy of the diets was determined by the Indicator Index Method (Cr 203).
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