Nutritional Value Evaluation Of Different Processing Sesame Meals Fed Growing Pig

In this study, nutritional value of sesame meal treated with different methods was assessed by digestion and metabolism trial. Furthermore, the feeding experiment was applied to study effects of fermented sesame meal and other common protein sources (soybean meal, cottonseed meal and peanut meal) feeding pigs on performance, meat quality. Comprehensive value evaluation provides a reference basis for application of fermented sesame meal in livestock production.Experiment1:Nutritional value evaluation of the different processing sesame mealsFive T-cannulated crossbred (Duroc×Landrace×Yorkshire) barrows, weighing about35kg, using repeated5×5Latin square design, to determine the digestible energy, metabolizable energy, crude protein and phosphorus digestibility, and the terminal ileum amino acid apparent and true digestibility of four different deal sesame meals (fermented sesame meal (FSM), fermented sesame meal+lysine (FSML), enzymatic hydrolysis sesame meal (ESM) and sesame meal (SM)) in growing pigs. The results showed that the processing of sesame meal significantly affected the sesame meal energy, phosphorus and protein utilization, and improved the terminal ileum apparent and true digestibility of some amino acids. Crude protein apparent, true digestibility and phosphorus digestibility of FSM and FSML were significantly higher than that of SM and ESM (P<0.05). FSM and FSML digestible energy and metabolizable energy were higher than ESM by6.29%,7.85%(P <0.05). FSML threonine, phenylalanine, lysine and serine of the terminal ileum apparent digestibility were separately higher than SM by4.42%、9.30%、7.28%and4.12%(P<0.05); the FSM and FSML phenylalanine apparent ileal digestibility were significantly higher than SM and ESM (P<0.05); SM alanine ileal apparent digestibility was significantly higher than the FSM by3.74%(P<0.05). FSM and FSML phenylalanine ileal true digestibility were significantly higher than the SM and the ESM (P<0.05). FSM proline ileal true digestibility was significantly higher than the ESM and SM by9.06%、9.86%(P <0.05). The results showed that the fermented sesame meal could improve the utilization of energy, protein, phosphorus, and some amino acids。Experiment2:Effects of fermented sesame meal and common meal fed fattening pig on growth performance and meat quality In order to screen more economic and effective feed protein source improving the growth performance and the quality of meat, a trial is conducted to study effect of fermented sesame meal and other common protein sources feeding pig on performance, meat quality and flavor. One hundred and sixty finishing swines, weighing about70kg, were randomly divided into4treatments,4replicate groups of10pigs. The control group was fed a corn-soybean meal diet. Test group1,2and3replace soybean meal of control diets by14.15%by peanut meal, cottonseed meal and fermented sesame meal with equal nitrogen, respectively. The trial period was32days. After the test,8pigs was selected in each set to take longissimus muscle to prepare for measuring meat color, pH, amino acids, inosine monophosphate and fatty acids. The results showed that feed conversion ratio and pH24h of fermented sesame meal group were significantly lower than cottonseed meal group (P<0.05). Feed conversion ratio and10,13-Eicosatrienoic acid of cottonseed meal group were significantly higher than the control group (P<0.05). However, the cottonseed meal group Oleic acid and Hexadecanoic acid ratio were significantly lower than the control group and peanut meal group (P<0.05). Less than fermented sesame meal group (P <0.05) and cottonseed meal group palmitic acid, too. The cottonseed meal group and fermented sesame meal group Heptadecanoic acid were higher than peanut meal group (P <0.05). Eicosanoic acid proportion of fermented sesame meal group and control group were higher than the other two groups (P<0.05), and fermented sesame meal group10,13-Eicosatrienoic acid proportion was higher than the control group (P<0.05) Intramuscular alanine of fermentation sesame meal group were higher than the control group (P<0.05). Phenylalaninol content of fermented sesame meal group were were higher than the control group, peanut meal group, cottonseed meal group respectively (P<0.05). The fermented sesame meal replacing soybean meal in control diets by14.15percentage point not only had no influence on the growth performance and the meat quality, but also improved the some intramuscular amino acids.