TY - SER AU - Asway,A.M.E. AU - Shalaby,H.A. AU - Deeb,K.H. AU - Shalaby,M.H.M.A. TI - Serological studies on Mycoplasma Gallisepticum infection in chickens KW - Chickens KW - Diseases KW - Serodiagnosis KW - Mycoplasma gallisepticum N1 - Includes reference N2 - 30 One day old Mycoplasma free broiler were divided into 6 groups (grs) (each of 5 chicken). The 1st gr. used as control without any treatment, 2nd gr. was infected with Mycoplasma gallisepticum (M.G.) S6 via the thoracic air sac on the 16th day of age and left till the end of the experiment (as infected control gr.), 3rd gr. was infected on the 16th day then passively immunized by IIP injection of egg yolk antibodies (Igy), 4th gr. was passively immunized IIP by (IgY) and infected with M.G UR - http://nile.enal.sci.eg/EALE/2009/AVMJ/5509/120/243.pdf ER -