To put it simply, cell bioreactor is a technical means to obtain the required target products by using cells as reaction containers and carrying out cell culture on a large scale, supplemented by genetic engineering technology; As far as the scope of animal vaccines is concerned, due to the defects in transcription and modification of prokaryotic expression systems such as bacteria, mammalian cell expression systems have become more suitable tools for obtaining important proteins in animal vaccines.

Specifically, first, select the appropriate cell type, then carry out genetic modification to obtain a cell strain that can stably express the target product, then optimize the cell culture conditions to obtain the desired product, and then separate and purify it.

The reactor is a large-scale cell culture system, which cultivates cells and separates products by controlling temperature, airflow speed, rotation speed and oxygen capacity.

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