|Title:||飼糧中以不同比例糙米取代玉米對雜交肉豬生長性能及屠體品質之影響||Other Titles:||Evaluation of the Effect of Substitution of Corn by Brown Rice in Diets on the Growth Performance and Carcass Quality of Growing-Finishing Pigs||Authors:||廖宗文
|Keywords:||糙米;肉豬;生長性能;屠體品質;Brown rice;Carcass quality;Growth performance;Meat pig||Issue Date:||Jun-2014||Publisher:||台灣農學會||Journal Volume:||15||Journal Issue:||2||Start page/Pages:||221-232||Source:||台灣農學會報||Abstract:||
A total of 50 LD (Landrace×Duroc-Jersey) crossbred pigs, average body weight 30 kg, were used as experimental animals. Pigs were allocated into 5 treatments by body weight (BW) and fed with five diets, i.e. Control, graded levels substitution of corn in the control diet by brown rice (SC 50%, SC 75%, SC 100% and SC 100% added Fe-amino acid). Feed and water were provided on an ad libitum basis. Pigs were fed the finisher diet when the average body weight of the pigs reached 65 kg. When BW reached 120 kg, all pigs were weighed and 6 pigs from each treatment were delivered to the slaughterhouse and the carcass characteristics were measured. The growth performance, carcass quality, meat composition, panel test of loin meat and fatty acid composition of the meat were evaluated. The results showed the pigs fed a diet of SC 50% had more efficient utilization of feed during the growing period. The pigs of SC 50% had less backfat thickness and higher marbling in the loin meat. The overall acceptability of loin from pigs fed the SC 50% did not differ from the control group, but was higher than the other groups. No difference was observed on the fatty acid composition of loin meat among the groups. Substitution of corn by brown rice in the diet of growing - finishing pigs to 50% is recommended.
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