ВИРУСВАКЦИНА ПРОТИВ НЬЮКАСЛСКОЙ БОЛЕЗНИ ПТИЦ

摘要

FIELD: veterinary medicine. ^ SUBSTANCE: vaccine has antigenic material produced from La-Sota strain reproduced in 9-10 days old SPF-hen embryos having infectious activity of at least 9.7 lg EID50/cm3 and hemagglutination activity equal to at least 1:512, protective medium and adjuvant of thymogen taken in effective proportions. The protective medium comprises 20% lactalbumin hydrolyzate solution and degreased milk in 1:5 proportion. The vaccine is produced by mixing its ingredients and with following preparation lyophilization. Ready vaccine is dry porous mass of light yellow color. The vaccine is applicable for carrying out specific prophylaxis. The vaccine is introduced as spray at a dose of 1 cm3/head. ^ EFFECT: high antigenic and immunogenic activity; no adverse side effects. ^ 7 cl, 8 tbl