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研究了在培养基中添加吐温-85对发酵生产螺旋霉素的影响。结果表明:0h添加100mg/L吐温-85,发酵效价达28176u/ml,比对照提高11.9%。检测表......
取液体状抗鸡传染性法氏囊病毒单克隆抗体经过滤、浓缩、脱盐和冷冻干燥技术处理后.获得抗IBDV单抗的粉制剂.该制剂在pH5.0~9.0之间1h.效价稳定;在4℃下......
This study was conducted to investigate the effect of Se-enriched lactobacillus on antibody of Newcastle Disease Virus(N......