中国农业科技导报 ›› 2016, Vol. 18 ›› Issue (4): 168-173.DOI: 10.13304/j.nykjdb.2016.042

• 方法与技术创新 • 上一篇    下一篇

鸡新城疫活疫苗室温保存工艺的初步研究

吕芳1,卢宇1,王佳佳2,郝政林1,2,赵艳红1,3,#br# 邓碧华1,3,张金秋1,3,侯继波1,3*   

  1. 1.江苏省农业科学院国家兽用生物制品工程技术研究中心, 南京 210014;
    2.南京农业大学
    动物医学院, 南京 210014; 3.江苏省动物重要疫病与人兽共患病防控协同创新中心, 江苏 扬州 225009
  • 收稿日期:2016-01-19 出版日期:2016-08-15 发布日期:2016-02-24
  • 通讯作者: 侯继波,博士,研究员,主要从事兽用生物制品研究。E-mail:houjibo@jaas.ac.cn
  • 作者简介:吕芳,助理研究员,硕士,主要从事兽用疫苗耐热剂型研究。E-mail:lvfang31@163.com。
  • 基金资助:
    江苏省农业科技自主创新资金项目\[CX(14)2085\];公益性行业(农业)科研专项(201303046)资助。

Study on Room Temperature Preservation Technology of  Live Newcasle Disease Virus

LV Fang1, LU Yu1, WANG Jia-jia2, HAO Zheng-lin1,2, ZHAO Yan-hong1,3, #br# DENG Bi-hua1,3, ZHANG Jin-qiu1,3, Hou Ji-bo1,3*   

  1. 1.National Research Center of Veterinary Bio-product Engineering and Technology, Jiangsu Academy of Agricultural Science,
    Nanjing, 210014; 2.College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210014;
    3.Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses,
    Jiangsu Yangzhou 225009, China
  • Received:2016-01-19 Online:2016-08-15 Published:2016-02-24

摘要: 选用海藻糖、明胶、PVP等成分配制耐热保护剂,采用梯度真空干燥方法,将鸡新城疫病毒(La Sota株)进行泡沫干燥,通过37℃ 10 d耐老化试验筛选到配方T5的病毒滴度损失为0.2 Lg;NDV-T5泡沫干燥疫苗经DSC测定配方玻璃化转变温度Tg为56.45℃,扫描电镜观察可见较为规则的片状结构;NDV-T5在各温度耐热性能均较好,2℃~8℃保存24个月,25℃保存15个月、37℃保存5个月,病毒含量下降≤1.0 Lg;将不同保存温度的NDV-T5泡沫干燥疫苗免疫1月龄雏鸡,鸡只均能在免疫后14 d产生抗体,与现有商品疫苗效力相当。

关键词: 新城疫, 海藻糖, 疫苗, 室温保存

Abstract: The vaccine of newcasle disease virus was prepared by vaccum foam drying. In the process, thermostable protectant was a mixture of trehalose, gelatin, polyvinyl pyrrolidone K30 (PVP) and inorganic water soluble phosphates. The virus titer of formulation T5, lossed only 0.2 Lg at 37℃ for 10 d. The foam vaccine had favorable heat tolerance, could be storaged at 25℃ for 15 months, 37℃ for 5 months, and 2~8℃ for 24 months. The glass-transition temperature of foam vaccine was detected by DSC, showed superordinary temperature of 56.45℃. A regular lamellar structure, the foam vaccine microappearance, was observed under scanning electron microscope (SEM). Compared with commercial vaccine,the HI titer of the foam vaccine has an identical level after immuned for 14 d on chickens.

Key words: newcasle disease virus, trehalose, vaccine, vaccum foam drying