June 5438 +2005 10, promulgated by the Ministry of Agriculture as the agricultural industry standard; ④ CpG DNA genetic engineering recombinant as immune adjuvant of livestock and poultry vaccine won the national invention patent (ZL 2003
10 106226. 1); ⑤ The PCR preparation method of animal vaccine adjuvant containing CpG DNA obtained the national invention patent (ZL 2003
10 106227.6); ⑥ The large-scale purification process of plasmid DNA obtained the national invention patent (ZL
.7)。