TY  - GEN
AU  - Sabry ElSayed Omar Salem
AU  - AbdelRhman Kamal Khafagy , 
AU  - Mohamed Hussein Hassan Awaad , 
AU  - Mohamed Mohmoud Zaki , 
TI  - Present Status of Infectious Bursal Disease in Chickens in Egypt / 
PY  - 2006///
CY  - Cairo : 
PB  - Sabry ElSayed Omar Salem , 
KW  - Chickens
KW  - infections bursal
KW  - present status
N1  - Thesis (PH.D.) - Cairo University - Faculty Of Veterinary Medicine - Department Of Animal Diseases; Issued also as CD
N2  - flocks vaccinated against IBDThe results revealed that the IBD infection still a problem in the vaccinated flocksTwo forms of the disease still occur (clinical and subclinical forms) A major antigenic shift in IBD viruses has occurred in the field situation including classical , a typical classical , untypable variant and Del / E variant of IBDV (based on AC - ELISA) Revision of current vaccination programmes for control of both clinical and subclinical forms of the disease are requested
UR  - http://172.23.153.220/th.pdf
ER  -