New blue ear vaccine can be used with confidence
Pigs develop fever, cough and other symptoms and cannot be vaccinated
In early July, the highly pathogenic inactivated vaccine against blue-ear disease (NVDC-JXA1 strain) was put into use in Guangdong and it has been more than a month since. How effective is this new blue-ear disease vaccine? Is there a definite protective effect? Or is it like a folk circulated like a dead pig? Recently, Zheng Hong, director of the Animal Husbandry Office of the Guangdong Provincial Department of Agriculture, said that as of now, more than 2 million millilitres of new-style blue-ear vaccines have been used in all parts of Guangdong. Feedback from all over the country shows that the vaccine is effective and can be used with confidence. In the past few days, he learned about the use of vaccines from several large-scale pig farms in the province. None of these farms had any adverse reactions after vaccination.
It is understood that most of the vaccines allocated by the Ministry of Agriculture to Guangdong Province are produced by Guangdong Dahuanong Animal Health Products Co., Ltd. The Ministry of Agriculture maintains quality supervisors in various vaccine manufacturers. After each batch of vaccines are released, they must be put through the use of safety inspections and effect tests. Therefore, the current blue-ear vaccine vaccine is in short supply.
In early July, it was reported that in some areas of Maoming, Guangdong, inoculated with an inactivated vaccine against porcine reproductive and respiratory syndrome (SD1 strain) produced by an animal protection company, the pigs developed morbidity and mortality at different levels, causing people to have NVDC-JXA1 The effect of the strain used.
In this regard, Director Zheng introduced that from the current point of view, Maoming's situation is very rare. In a small number of areas, scattered vaccinated households suffered symptoms of morbidity and even died. However, all of them were infected with the blue ear virus. After the vaccination, they accelerated the development of the disease and resulted in death. Therefore, the Department of Agriculture has repeatedly demanded that livestock and animal husbandry departments throughout the country must do a good job in propaganda work to remind farmers that pigs must not be vaccinated if they have fever, decreased feed intake, and coughing. In addition, the Department of Agriculture also requires that if anybody is found, dead and sick pigs must be reported to competent authorities.
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