HUT37353A - Process for producing vaccine for treating infective laryngitis and trachitis of fowls
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Process for producing vaccine for treating infective laryngitis and trachitis of fowls
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Publication number
HUT37353A
HUT37353AHU120284AHU120284AHUT37353AHU T37353 AHUT37353 AHU T37353AHU 120284 AHU120284 AHU 120284AHU 120284 AHU120284 AHU 120284AHU T37353 AHUT37353 AHU T37353A
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Application filed by Phylaxia OltoanyagtermeloefiledCriticalPhylaxia Oltoanyagtermeloe
Priority to HU120284ApriorityCriticalpatent/HU191303B/en
Publication of HUT37353ApublicationCriticalpatent/HUT37353A/en
Publication of HU191303BpublicationCriticalpatent/HU191303B/en
Vaccines giving immunity from contagious poultry laryngitis are prepd. by inoculating hen eggs incubated for 9-12 days, pref. 10 days, with the virus marked ILT-81 registered at the National Institute for Public Health under no. 00278, collecting the chorioallantis membrane CAM of the chicken embryos killed between days 2 and 5, pref. days 4 and 5 after inocculation, homogenising the membrane material, adjusting the pH to 5.8-8.2, pref. to 7.2-7.4, inactivating the material with e.g. pref. ethylene-imine, beta-propio-lactone or formaldehyde, and packaging the prod. with an adjuvant.
HU120284A1984-03-261984-03-26Process for producing vaccine for treating infective laryngitis and trachitis of fowls
HU191303B
(en)
Vaccine against diseases caused by reo viruses, combined vaccine with newcastle disease virus, process for preparing them and reo virus strain used for their preparation