TY  - BOOK
AU  - Christine Aziz Mikhael Ishak
AU  - Ahmed Abdelghany Elsanousi , 
AU  - Ismail Mohamed Reda , 
AU  - Soad Mohamed Soliman , 
TI  - Trials for preparation of improved bivalent vaccine for sheep pox and goat pox viruses / 
PY  - 2012///
CY  - Cairo : 
PB  - Christine Aziz Mikhael Ishak , 
KW  - Bivalent
KW  - Sheep
KW  - Vaccine
N1  - Thesis (Ph.D.) - Cairo University - Faculty of Veterinary Medicine - Department of Virology; Issued also as CD
N2  - Capripox viruses infect only ungulates and most strains of the virus tend to cause clinical disease in only one species ( Carn, 1993 ) . Different strains of the virus appear to have different degree of virulence in different species ( Kitching and Taylor , 1985 ) . Capripox viruses control without vaccination is extremely difficult in endemic areas
ER  -