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银合欢(Levcaena levcocephala(lam)deWit)是在热带已被广泛开发利用的豆科灌木或乔木植物。现有100多个品种,就其类型可概括区分为“夏威夷型”,“萨尔瓦多型”和“秘鲁型”三种。“秘鲁型”是属于基部分枝多而高产的饲草品系。澳大利亚近年推出的一个饲草型新品系“肯宁汉”,是萨尔瓦多型和秘鲁型的杂交种。银合欢生长迅速,生物量大,抗性强。其嫩枝和叶的干物质含粗蛋白质高达24～28％,全叶所含各种氨基酸比例间的良好平衡和苜蓿草非常类似。适口性好,
Levcaena levcocephala (lam) deWit is a mesquite or tree plant that has been widely exploited in the tropics. The existing more than 100 varieties, its type can be broadly divided into “Hawaii”, “El Salvador” and “Peruvian” three. “Peruvian type” is belonging to the base branch of more and more high-yielding forage lines. Australia recently introduced a new forage grass “Kenningham” is a hybrid of El and Peruvian type. Acacia grow rapidly, biomass, strong resistance. The shoots and leaves of the dry matter containing crude protein up to 24 to 28%, the whole leaf contains a good balance between the proportion of amino acids and alfalfa are very similar. Good palatability,