ABSTRACT This experiment was conducted to estimate and study the genetic gain (ΔG) of FUNAAB Alpha broiler chicken that was selected mainly for breast girth at week 0 to week 10, to provide support for genetic improvement. A total of 200 FUNAAB Alpha broiler chicken were sourced for and fed ad libitum. Data were collected at the end of 2nd, 4th, 6th, 8th and 10th week; birds/strain was selected from both strains. The initial breast gi...