AvaliaÃÃo do farelo de Girassol para suÃnos em terminaÃÃo / Evaluation of sunflower meal for finishing pigs

AUTOR(ES)
DATA DE PUBLICAÇÃO

2003

RESUMO

The objective of this studye was to evaluate the influence of increasing levels of inclusion of solvent extracted sunflower meal (SFM) (DM 92.71%, CP 27.50%, NDF 43.57%, ADF 32.96%, CF 25.91%, EE 3.08%, GE 4.390kcal) on the digestibility, performance and carcass characteristics in finishing pigs rations. A total of two experiments were conducted in the Animal Science Department at the Universidade Federal de Lavras (Federal University of Lavras). The metabolism trial was conducted with objective to evaluate the digestibility of SFM nutrients and the rations containing levels of inclusion (0, 4, 8, 12 and 16%) of SFM by utilizing 12 crossbred castrated male swine (LD x LW) (55.08  4.80 kg) kept in metabolism cages and allotted to a completely randomized block design. The methodology of total feces and urine collection was used. The values of digestibility for SFM (as feed basis) were 54.40% CDMS,77.73% CDPB, 53.80% CDEB, 50.43% MSD, 21.38% DP, 2,365 kcal/kg DE and 2,289 kcal/kg ME, a linear effect was found for CDMS and CDFDN, a quadratic effect (P<0.01) for BE , CDPB and RN. In the performance trial, 80 crossbred swine (LD x LW) were utilized with an initial weight of 62.02 kg  4.21 kg, one male and one female per experimental unit, were allotted into a randomized block design. The treatments were five rations formulated with increasing levels of inclusion (0, 4, 8, 12 and 16%) of SFM for finishing pigs. At the end of the performance trial, the 80 pigs were slaughtered (99.80  6.91kg) and submitted to carcass evaluation by the Brazilian Method of Carcass Classification (ABCS, 1973). The increasing levels of inclusion of SFM shown a significant linear decrease (P<0.05) only for CRDM , the other variables shown no significtive effect. In carcass evaluation, the increasing levels SFM inclusion shown any significative effect (P>0.05) for all variables evaluated, however, the data shown sex effect. It was found that the barrows shown, higher values of ETM, P2, AG and RCG , and the females pigs shown better RPER. It was concluded that the inclusion levels of SFM up to 16% in a isonutrientive rations should be tecnically recommended for finishing pigs from 65 to 98 Kg of boby weight.

ASSUNTO(S)

suÃno performance zootecnia desempenho swine digestibility digestibilidade farelo de girassol sunflower meal

ACESSO AO ARTIGO

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