Live vaccine for contagious diseases of chickens
AssigneeJuridical Foundation the Chemosero-Therapeutic Research Institute
InventorsTakashi Honda, Akira Taneno, Takuma Hanaki, Masanobu Eto
Life of this patent
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Abstract
A live vaccine for infectious laryngotracheitis, which comprises culture cells infected with attenuated infectious laryngotracheitis virus. Also, a live combined vaccine for infectious laryngotracheitis and Marek's disease, which comprises culture cells infected with attenuated viruses off these two diseases. These vaccines can be used on day-old (newborn) chicken, by subcutaneous or intramuscular injection, to give them immunity from infection by the virus or viruses.
Claims4
A vaccine that is effective in preventing or treating ameliorating the symptons of infectious laryngotracheitis, comprising cultured cells that are infected with attenuated infectious laryngotracheitis virus, wherein said cultured cells are chicken embryo cells or chicken kidney cells and said vaccine is safe and effective for immunizing newborn or older chickens against infectionous laryngotracheitis.
A combined vaccine that is effective in preventing or treating the symptons of infectious laryngotracheitis and Marek's disease, comprising a mixture of cultured cells that are infected with attenuated infectious laryngotracheitis virus and cultured cells that are infected with attenuated Marek's disease virus or herpes virus of turkey, wherein said cultured cells are chicken embryo cells or chicken kidney cells are said vaccine is safe and effective for immunizing newborn or older chickens against infectious laryngotracheitis and against Marek's disease.
Dependencies are inferred from the claim text.