الفهرس 
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Abstract
F:tftcen Lao La t e s ’ of Boxrelia anserina .wer e
secured f:rom ,d:f.ffeient localities .. distributed
all .ove r l~’ districts of. Sha,rkia. Governorate.
These· Lso l.at e s were kept. either,as citrated blood, in the r,efrige;rator. at, 4: C and serially
4-
passaged through fowls., once .every:j ”mont,hs, or
as infected chorioallantoic fluid’in the
refrigerato:!:’ at 4 C and pasaaged ’ei ther through
susceptible fo\yls every 3 months oX’ embryonated 9hicken eggs once every 3 weeks and subsequently
passaged:in fowls. (2) Fifteen antigens were prepared and kept in the
o , refrigerator at 4 G in addition to specific 4
fifteen’ a.nti~era, b’esides fi+’teen live antigens from the seouredisolates.
(3) Agglutination test, Immobilization-lysis test and Agar gel precipitation test were achieved