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        Effects of inclusion level and adaptation period on nutrient digestibility and digestible energy of wheat bran in growing-finishing pigs

        Jinbiao Zhao,Shuai Zhang,Fei Xie,Defa Li,Chengfei Huang 아세아·태평양축산학회 2018 Animal Bioscience Vol.31 No.1

        Objective: This experiment was to evaluate the effect of different inclusion levels and adaptation periods on digestible energy (DE) and the apparent total tract digestibility (ATTD) of chemical constituents in diets supplemented with wheat bran. Methods: Thirty-six crossbred barrows with an initial body weight of 85.0±2.1 kg were allotted to 6 diets in a completely randomized block design with 6 pigs per diet. Diets included a corn-soybean basal diet and 5 additional diets which were formulated by replacing corn and soybean meal in control diet with 15%, 25%, 35%, 45%, or 55% wheat bran. The experiment lasted for 34 d, and feces were collected from d 8 to 13, 15 to 20, 22 to 27, and 29 to 34 respectively. Results: The results showed no interaction effects between inclusion level and adaptation period on the concentration of DE and the ATTD of gross energy (GE) and crude protein (CP) in wheat bran. The DE value and ATTD of GE in wheat bran decreased (p<0.05) significantly as the inclusion level of wheat bran increased, but no difference in the ATTD of CP was observed. The ATTD of CP in wheat bran increased (p<0.10) significantly as the adaptation period for pigs was prolonged. In addition, the concentration of DE and the ATTD of GE in wheat bran decreased linearly (p<0.05) when pigs were fed either an increased level of wheat bran or given an increased adaptation period to the diets. Conclusion: Wheat bran showed a negative effect on the concentration of DE and ATTD of GE and CP as the inclusion level increased. A longer adaptation period can gradually increase the DE value and ATTD of GE and CP in wheat bran, and at least 14 to 21 d of adaptation might be recommended for growing-finishing pigs fed the high-fiber diets with wheat bran.

      • An Improved Evaluation Index System for the Host Information Security Evaluation System

        Yuyi Ou,Jinbiao Xie,Jie Ling 보안공학연구지원센터 2015 International Journal of Security and Its Applicat Vol.9 No.3

        This paper studies the principle of the host information security risk assessment and the method to determine the right of each index’s weight. Because Liao Hui and others proposed network terminal security assessment index system exists index weights unreasonable distribution problem, using Delphi method and AHP calculate each index weight and the weights of total ranking of lowest level indexes relative to the highest lever indexes, identified the indicators which have greatest impact to the assessment objectives and apply it to a host of information security evaluation system. Uses the fuzzy comprehensive evaluation method and combined with examples to prove the index system after improving its weight distribution can be more scientifically reflect the importance of the indexes in the evaluation system and the result of the host information security evaluation is reasonable and comprehensive.

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