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Haemophilus parasuis is the causative agent of Glässer's disease. Up to now 15 serovars of H. parasuis have been identified, with significant differences existing in virulence between serovars. In this study, suppression subtractive hybridization (SSH) was used to identify the genetic difference between Nagasaki (H. parasuis serovar 5 reference strain,(More)
Through the definition of intelligent models of network defense, which is composed by neural networks structure model of network defense, immunity parameters of network defense and antibody pruning defense tactic, immunity-based neural networks model of network defense is modeled and analyzed. The antibody pruning defense tactic is pointed out that the(More)
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