(?????????????????????????????????????150030)
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Research and Application to Vaccine of Transmissible Gastroenteritis of pigs
??Harbin Pharmaceutical Group Bio-vaccine Co, Ltd??Harbin150030, China??
Abstract??Ansmissible Gastroenteritis of Pigs is caused by coronavirus. The symptom of Sicken piglets is vomiting, diarrhea and dehydration. Therapeutic effect of Antiviral and antitoxin is not obvious to ansmissible Gastroenteritis of Pigs. Vaccination is the main way of prevention and control to the ill. So this article gives an expound to the research of vaccine of ansmissible Gastroenteritis of Pigs, that can provide some ideas to prevent this ill. This article also points out the issues in the research and provide some ideas to prevent this ill effectively in the future.
Keywords??Transmissible gastroenteritis of pigs vaccine??Application
??????θ????(Transmissible gastroenteritis of pigs??TGE)????????????????????????????к?????????????[1]??TGE??????????У??????????????????????????????????θ??????з??????????????????????????????????????????????????????????????????100%??TGE??????????????????????????????????????????к??????????????????????????????????????????θ????????????????????????????????????????????????ò????????????????????????????????????????????????о?????????θ????????????????????
1????????θ????????????
1.1 ?????????
???????????????????????????????????????????????????????????????????????????????????????????Σ??????????????????????????
1.2 ???????
??????????о???????[2]??TB??????????????TGE???????磬?????????2??????????????黯????????????????硣??????????????TGE??????????????????????????硣???Щ???????黯??????????????????????硣????????????????????????????????????????????????8.5%???????????????????????????????????????????????????????????????????к???????????????????????????????????????????????????????????????SIgA???????????????????????????????
1. 3 ???????硡
?????????????????TGE-Vac??????????CKP????????TO-163 ???????????????????й?????????????????о????з?????ù????????????????????????????????????????????????????????????????????165??????????????5?ο??????????á?????????????????????ü????????????????????????????????????90%???????????????????????????????????????????????????????lmL????????????α?(????λ???)1mL??????????????????????????????????????绹???????????????????????????0.5mL?????????7-14d?????????Ч????????????????????????????????????????????????????????????????(SIgA)????????????TGEV???????????????????????????????????????[3]??
1.4 ????
?????????????????????????????θ???????????к?????????????????????PED??TGE???????????磬?????????????????????????????????忹?壬????????7 d?????????к???????????????????????????5?£??????????????????????塣?????????????С???????????????????????????????巽??δ??????????????[4]????????????????????????????????????????????????????????????????????е???????????????ж???[5]??TGE??PED?????????????l:l??????TeE??PED???????????磬????????????????????????????
??????繫????????????θ????(TGE)???????????к(PED)????????磬??????????????l4d???????????????Ч??????????????????????????????????????????????????????????????????3??????????????????????????????????????????????????????????傷????????????????????????????????????????????????????????????????96% ???????????????????????87%??
???μ???[6]?????????????к????????????θ????????????????????????????????????????硣????????????????????????????????????15d????????????????????Ч?????6???£??????30d??????????????????????????????????????????????????????????????????????????????????????????????????30 d???????忹?????????????????
?????????????θ??????????????????????[7]???????????ж?????12??????????????????PED??TGE?????????????????μ?????????????????????к?????????????????????????????????????????????????????????????????????Ч???????????????
1.5 ??????????
?????????????????????????????????????????????????????????????????????????硣???????????????????????????????????????????????????????????????????????о?????????????????????о???????????о???????DNA???磬????????????????????????????忹???????κ????幹?????ɡ????????????????????????????沢???????????R???????????????????????????????????????????????????????????????????????????????????????????????????????θ???????????????????????????????????????????????????????????????????????????????壬??????????????????????????硣????????????????????????????????????л??????????Ч???????????????????????????????????о???Ρ?
??????????????????????????θ????????????к????????????????????????????绹?????????????????????????????????????????
2 ????????
????????????籣?淽????????????????????????????????????????????б??棬??????????Ч?????????????к????????θ????????????????????????2??-8?汣?棬??????????1????????θ???????????????-20???????±??棬??????????3?? ??
?????????????????????????????????????????????????????????????????????θ????????????????????Ч????á???????????鼰?????????????IL-2???????????????????????????????????????????????????????????????????[8]??
?????????????????????????????礡???????????????????к??????????????????????????????硣??????????????????????????????????????飬????????????????????????????????????????????????????????????????????????
????????????????????????????5~7?????????????????????????????????????????????????????????????????????????????????????????????????T??B???????????????????????????????????Ч??[9]??
???????????????????????????????????????????????????1??2???????л????????????????????????????????????????°????????????????鴤????????????0.1%????????????
3 С??
????????TGE????????????????????г????е?IgA??????????????????????????????и?Ч???IgG??????????к?????????????????IgG??Ч??????????????????????????????IgA??????TGE??忹???????????????????????????????????????????????????????????????????к????????????????????????????????????????????????????????TGEV?????????????????????????IgA??????????????????????綾??????????????????????????????????????????????????????о?????????????????????о????????????????????????????SIgA?????????????????к??????????????????е????????IgG???????????????????????????????????[10]?????????????????????????????????????????????????????Ч????????????????????????????磬??????о?????
?ο??????
[1] ????, ??????. ???????(??2 ??)[M]. ????:?????????, 1997: 681-690.
[2] ????. ??????θ??????????????[J]. ?????????????, 2007, 12: 128.
[3] ??????. ??????θ???????????Ч?????[J]. ?й???????, 2001, 37(7): 60.
[4] ?????, ??????, ??????, ??. ?????????к??????θ????????????????????????????о?[J]. ?й???????, 2002, 32(2): 3-5.
[5] ???ж?, ????, ?????, ??. ??????θ???????????????к??????????????о?[J]. ?й??????????, 1999, 21(6): 406-408.
[6] ????, ?????, ?????, ??. ?????????к????????θ????????????????????????????[J]. ????????????, 2005, 27(10): 107-109.
[7] Backstrom L . Present uses and experiences with swinevaccine [J]. Advances in Veterinary Medicine, 1999, 41: 419-428.
[8] ??????, ???幘, ?????, ??. ??????????????θ???????????鼰?????????IL-2?????????[J]. ?й???????, 2001, 21(5): 441-442??
[9] ????. ?????????????????????Щ???[J]. ????, 2010(5): 73-74??
[10] ????. ?????????(??3??) [M]. ????:?й?????????, 2001: 549-550.