[Aerosol immunization of ducks with Spirovak erysipelas vaccine "Dessau"].

Abstract

A method for active immunisation of ducklings during the raising period (between the first and 20th days of age) was devised in another attempt to control erysipelas septicaemia of duck on freeland fattening sites. Spirovak erysipelas vaccine "Dessau" was aerogenically applied through vortex injector nozzles, when the animals were between five and 20 days… (More)

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