TY - GEN AU - Zeinab Mohammed Farouk AU - Alaa ElDin Mohamed Abdou , AU - Nagwa Abd El Hadi Ahmed , AU - Zeinab Ali Ezz ElDin , TI - Physiological basis controlling EGG shell quality in different breeds of laying hens / PY - 2004/// CY - Cairo : PB - Zeinab Mohammed Farouk , KW - Breeds KW - EGG shell quality KW - Laying hens N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Agriculture - Department Of Animal Production; Issued also as CD UR - http://172.23.153.220/th.pdf ER -