Investigstion on effect prepared vaccine by gamma irradiation on production rate and resistance to white spot disease in shrimp Litopenaeus vannamei
- سال انتشار: 1401
- محل انتشار: ششمین کنگره بین المللی تحقیقات شیلات و آبزیان
- کد COI اختصاصی: ICFAR06_034
- زبان مقاله: انگلیسی
- تعداد مشاهده: 104
نویسندگان
Shrimp Research Center, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization, Bushehr, Iran
Shrimp Research Center, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization, Bushehr, Iran
Shrimp Research Center, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization, Bushehr, Iran
چکیده
White Spot Syndrome Disease (WSD) is an important disease due to economic impacts in shrimp industries. Spreading of this disease in shrimp farms can caused ۱۰۰% mortality during ۳-۱۰ days. Therefore, control of this disease is a strategy in shrimp industry. Vaccination is a way to control of WSSD. In several years ago during a project several type vaccines of this virus by association of Atomic Energy Organization is produced that among of them the virus inactivated by GAMA irradiation had better results in laboratory. To test of this vaccine in field, a research pilot was carried out. Initially ۲۰۰۰۰ shrimp napliies were obtained from one of commercial hatchery in Bushehr province, and then divided to two groups vaccinated and unvaccinated. The vaccinated group also divided to two groups, group A that vaccinated at post larvae PL۵ and received booster dose at PL۱۵, group B vaccinated at PL۱۲ and received booster dose at PL۲۶. Results showed that growth performance and survival rate between vaccinated and unvaccinated without challenge with WSSV after ۸۰ days is not significantly (p< ۰.۰۵). But survival rate in vaccinated groups after challenge with WSSV was significantly (p< ۰.۰۵) further the unvaccinated group so much that RPS (relative percent survival) in group A was ۶۱.۷% and the RPS in group B was ۷۶.۱%. This study revealed vaccination of shrimp post larvae with GAMA irradiation vaccine can control of shrimp mortality in incidence of WSSD in farms.کلیدواژه ها
Shrimp, WSSV, Vaccine, Gamma irradiationمقالات مرتبط جدید
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