利用马立克氏病病、死鸡的皮肤（羽囊）打碎、制成MD琼扩抗原。
MD agar diffusion antigens were prepared by grinding the skins or feather follicles of dead or sick chickens due to Marek's disease.
利用马立克氏病病、死鸡的皮肤（羽囊）打碎、制成MD琼扩抗原。
MD agar diffusion antigens were prepared by grinding the skins or feather follicles of dead or sick chickens due to Marek's disease.
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