RESEARCH CHARACTERISTICS OF AVIAN INFLUENZA AND DETERMINATION OF H5N1 NAVET-VIFLUVAC VACCINATION RATE FOR POULTRY IN QUANG NINH PROVINCE
Keywords:Epidemiological Characteristics, Avian influenza, Vaccine, Quang Ninh
Research results show that in the period 2015-2020, Quang Ninh province always had avian flu epidemics; However, outbreaks only occurred on a small scale in some districts, cities and towns. The epidemic mainly occurred in the Winter - Spring crop with 91.46% of the poultry infected with influenza and 90.71% of the poultry killed and culled due to influenza were recorded in this season; only 8.54% of poultry got sick and 9.81% of poultry died and was destroyed due to flu in the summer-autumn crop; The incidence of avian influenza varies by type of poultry, in which the highest infection rate in chickens is 64.98% and the lowest rate in quail is 2.54%. Every year, flu vaccination results for poultry flocks in Quang Ninh province always reach a high level of over 90%. Monitoring 1,550 poultry after vaccination in 5 districts, cities and towns in Quang Ninh province found that vaccines used to prevent disease are safe for poultry; 95.10% of poultry have no side effects after injection; the rest appeared a few mild reactions, did not have a big impact on the health of poultry.
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