取死于具有小鹅瘟典型症状的7日龄吉林白鹅脾脏，制成乳剂，接种于未免疫小鹅瘟疫苗的健康母鹅所产种蛋的12日龄鹅胚尿囊腔。
With 12 days goose embryo produced by healthy geese, a strain of virus was isolated from the spleen of 7 days old gosling died from gosling plaque.
结果表明，生物素浓度以及萄葡糖，玉米浆加初尿对固定化细胞的产酸均有非常显著的影响。
The results show that the concentration of biotin is a very sensitive factor and the contents of glucose and corn-steep liquor added urea also indicate obvious effects for immobilized cells.
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