›› 2011, Vol. 38 ›› Issue (8): 221-224.

• 经验交流 • 上一篇    下一篇

60Coγ射线对新城疫病毒、H9N2亚型禽流感病毒和猪繁殖与呼吸综合征病毒的灭活研究

徐守振1, 王新2, 尹燕博1   

  1. 1. 青岛农业大学动物科技学院,山东青岛 266109;2. 青岛澳兰百特生物工程有限公司,山东青岛 266101
  • 收稿日期:1900-01-01 修回日期:2011-06-14 出版日期:2011-08-20 发布日期:2011-08-20
  • 通讯作者: 尹燕博

Study on Inactivating Effect of 60Coγ Rays on Newcastle Disease Virus, H9N2 AIV and PRRSV

XU Shou-zhen1, WANG Xin2, YIN Yan-bo1   

  1. 1. College of Animal Science and Veterinary Medicine,Qingdao Agricultural University,Qingdao 266109,China;2. Qingdao Olandbetter Bioengineering Co. Ltd., Qingdao 266101,China
  • Received:1900-01-01 Revised:2011-06-14 Online:2011-08-20 Published:2011-08-20

摘要: 60Coγ射线对不同状态不同体积的鸡新城疫病毒(NDV)、H9N2亚型禽流感(H9N2 AIV)和猪繁殖与呼吸综合征病毒(PRRSV)进行辐照,研究60Coγ射线对灭活疫苗中病毒的灭活效果。结果表明,6.0 kGy 60Coγ射线辐照对冷冻和液态下5000和10000 mL的NDV、H9N2亚型AIV和PRRSV均不能灭活,辐照后NDV和H9N2亚型AIV冷冻尿囊液的HA效价降低而液态尿囊液的HA效价升高;液态下,60Coγ射线能够灭活250 mL细胞培养液中的PRRSV,不能灭活250、5000和10000 mL尿囊液中的NDV和H9N2 AIV,250 mL与5000、10000 mL的NDV HA效价间差异显著(P<0.05)。60Coγ射线辐照对液态的PRRSV细胞培养液灭活效果良好,有望用于灭活苗的病毒灭活。

关键词: 新城疫病毒; H9N2亚型禽流感病毒; 猪繁殖与呼吸综合征病毒; 60Coγ射线; 灭活

Abstract: NDV,H9N2 AIV and PRRSV in different volumes at different states were irradiated by 60Coγ ray and the inactivating effects of 60Coγ rays on these viruses in inactivated vaccine were investigated. The results showed that NDV,H9N2 AIV and PRRSV in the volume of 5000 and 10000 mL at frozen or liquid state were not inactivated by 6.0 kGy 60Coγ irradiation respectively. After irradiation the HA titers of NDV and AIV H9N2 contained in frozen allantoic fluid were lower than those of unirradiated frozen allantoic fluid while the HA titers of NDV and AIV H9N2 were higher than those of unirradiated allantoic fluid. At liquid state 250 mL PRRSV in cell culture was completely inactivated by 60Coγ rays,at the same time NDV and H9N2 AIV in the volume of 250,5000 and 10000 mL were not completely inactivated,and the HA titer of 250 mL NDV was significantly different(P<0.05) compared with that of NDV in the volume of 5000 and 10000 mL. 60Coγ ray irradiation has a good inactivating effect on PRRSV at liquid state and it can be used to inactivate viruses in inactivated vaccine.

Key words: NDV; H9N2 AIV; PRRSV; 60Coγ ray; inactivation

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