Marek's disease vaccine

Details Marek's disease vaccine Marek's disease vaccine

1975-05-29

1976-09-21

Rose, Shep K.

Textiles: fiber preparation

424 89, A61K 3932

Patent

active

039817717

ABSTRACT:
A vaccine for immunizing poultry against Marek's disease (Type II leukosis), processes for producing same, and methods of immunizing poultry flocks. The vaccine is obtained by modifying the JM strain of Marek's disease by rapid serial passage through selected tissue of live chickens until highly virulent followed by attenuation thereof in avian embryos.

REFERENCES:
patent: 3444293 (1969-05-01), Hudson
patent: 3548055 (1970-12-01), Moulthrop
patent: 3590128 (1971-06-01), Larose
patent: 3642574 (1972-02-01), Okazaki et al.
patent: 3674861 (1972-07-01), Churchill
patent: 3783098 (1974-01-01), Calnek et al.
Witter et al., Avian Diseases, 12:169-185, Feb. 1968.
Witter et al., Avian Diseases 13:101-118, 171-184, Feb. 1969.
Kottaridis World's Poultry Sci. Jl. 25(1):35- 45, Jan.-Mar. 1969.
Churchill et al., Nature 221:744-747, Feb. 22, 1969.

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