FIELD: medicine. SUBSTANCE: method involves heating hen embryos before incubation using gas discharge lamps and then treating them with helium neon laser radiation. Young hens are vaccinated with using BOR-74VGNKI strain. EFFECT: improved maternal and vaccinial immunity. 2 dwg, 3 tbl
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Authors
Dates
1999-04-20—Published
1992-12-09—Filed