TY  - GEN
AU  - Khaled Mohamed Kamel
AU  - Ahmed Abdelhamed Bassiouni , 
AU  - Manal Afify Ali , 
AU  - Nagwa Saad Rabie , 
TI  - Updating on the present etiological and economical situation of infectious bronchitis on chicken industry in Egypt / 
PY  - 2007///
CY  - Cairo : 
PB  - Khaled Mohamed Kamel , 
KW  - Egypt Cross Protection
KW  - Infectious bronchitis
KW  - Vacciantion program
N1  - Thesis (Ph.D.) - Cairo University - Faculty Of Veterinary Medicine - Department Of Animal Diseases; Issued also as CD
N2  - Since the initial description of IB in Eggypt , the disease still occurs in vaccinated and unvaccinated chicken farm.25 isolates of IBV could be isolated ; of them at least four multiple serotypes (variants) were identified.Variant strains in pathogenicity studies produced within 24 - 48 h.p.i , respiratory distress and nephritis - nephrosis associated with 20 percent - 100 percent
UR  - http://172.23.153.220/th.pdf
ER  -