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avian vaccine composition for the protection of birds against disease and infection caused by and. coli and samonella
avian vaccine composition for the protection of birds against disease and infection caused by and. coli and samonella
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机译:禽疫苗组合物,用于保护鸟类免受和引起的疾病和感染。大肠杆菌和沙门氏菌
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摘要
"Avian vaccine composition for the protection of birds against disease and infection caused by E. coli and salmonella". The present invention relates to a vaccine composition comprising a combination of a microorganism. mutant typhimurium of genetic deletion and a microorganism e. mutant coli of genetic deletion suitable for mass application to birds. A safe and effective method is also provided to protect birds against the destruction of infection and disease. coli and salmonella.
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