TY  - GEN
AU  - Heba Saied Esmaiel Ellethey
AU  - Fayez Mostafa Hassanien , 
AU  - Mamdouh Mostafa Hamoud , 
AU  - Osama Kamel Zahran , 
TI  - Effect of some management practice on immune response in laying hens gallus gallus domesticus / 
PY  - 1998///
CY  - Cairo : 
PB  - Heba Saied Esmaiel Ellethey , 
N1  - Thesis(M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of veterinary Hygiene and Manangement
UR  - http://172.23.153.220/th.pdf
ER  -