The vaccine does not contain aluminium stearate, can keep high antibody producing capacity for a long time and solve the problem of animal stress caused by vaccine injection and vaccine residue.

该疫苗不含硬脂酸铝，能在较长时间内保持较高的抗体产生能力，并解决注射疫苗引起的动物的应激反应以及疫苗残留问题。

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However, most of the traditional techniques for producing transgenic animal were quite complicate, high cost and little effective, which limits their extensive application.

但是传统的转基因动物技术大多操作复杂、成本高、效率低，从而限制了转基因技术的广泛应用。

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