TY - BOOK AU - Farid Saber Abdeltawab Mahmoud Nassar AU - Alaa Eldine Mohamed Abdou , AU - Farid Kamal Ramzi Stino , AU - Reda Elwany Abdelhaleem Moghaieb , TI - Improving broiler performance through modern biotechnological methods / PY - 2013/// CY - Cairo : PB - Farid Saber Abdeltawab Mahmoud Nassar , KW - Body weight KW - Broiler breeders KW - Selection N1 - Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Animal Production; issued also as CD N2 - This study was conducted to evaluate the effect of selection by using biotechnological methods on the productive performance of the Egyptain broiler breeder female line, Cairo B-2, after 7 generations of selection for increasing 6 week live body weight (LBW) . The performance of Cairo B-2 and RBC lines; LBW, at sexual maturity (BWSM), egg number (EN), and egg weight (EW) were evaluated at the 4 {u036D} {u036A} (G4), 5 {u036D} {u036A} (G5), 6 {u036D} {u036A} (G6), and 7 {u036D} {u036A} (G7) generations UR - http://172.23.153.220/th.pdf ER -