While controlling the diseases, many bacterial strains can promote growth and increase production, and meanwhile do little harm to the environment and the animals.
在防治病害的同时，许多菌株具有促进生长和增产的作用，同时对环境和动物安全。
U. s. Genomics has built a database of these patterns, which it calls bar codes, for many bacterial species and strains.
美国基因组公司已经为许多细菌菌种和菌株的这种模式建立了数据库，把这种模式称为条形码。
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