Cana-de-açúcar para suínos machos castrados na fase de terminação tardia

Abstract

The present experiment was carried out at Instituto Federal de Educação, Ciência e Tecnologia do Norte de Minas Gerais/Campus Salinas, in order to evaluate the effect of partial substitution of sugar cane for dietetic maize on the performance, weight of internal organs and carcass characteristics of barrows in the late finishing phase. Were used 36 barrows, commercial hybrid of industrial crossing AGPIC 337 x CAMBOROUGH 23, with average initial weight of 103.86 kg. The used experimental design was in randomized blocks, being used 3 blocks in accordance to initial weight of the animals, with 3 treatments, 6 repetitions and two animals for experimental unit (cage). The treatments were composed of 3 diets being: Treatment 1 – control diet (base); Treatment 2 – base diet, with substitution of 30% of the maize for sugar cane, and Treatment 3 – base diet, with substitution of 30% of the maize for the sugar cane and with the corrected nutrients, except the energy. The swines treated with the sugar cane diets in partial substitution for maize had consumed more diet and had presented worse feed conversion as compared to those that received control diet. However there was no difference as for weight gain. The use of the sugar cane in the diet did not influence the absolute weight of the analyzed internal organs, as well as the carcass characteristics. In accordance with the gotten results, the inclusion of sugar cane in the diets of late finishing swines is not recommended, since the animals present worse feed conversion and higher consumption of diet.