Overview of the transmission experiment with unvaccinated birds (low infection dose)*.
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*the infection dose is 0.2 ml of 105 EID50 intranasally (0.1 ml) and intraocularly (0.1 ml).i: inoculated bird; c: contact bird; x/y: test result for virus isolation in the trachea/cloaca.?bird died.#the bird was alive at the end of the experiment and tested negative in the serological test.
创建时间：
2015-12-02
