This study on MT12 parents ducks some characteristics: growth, reproductivity, egg quality, hatchbility and campared with MT1 ducks, MT2 ducks, the results shows that: MT12 parents ducks was productivity higher than MT1 duck and MT2 duck, alive rate was 98.67percent in starter and rearing period
body weight 2132.4 gram at 8 weeks and 3387.1 gram when to reproduce. Age of reproduce was 180 days, egg production was 233.63 eggs per female per 42 weeks, heterosis of egg production was 9.28 percent
feed comsumption per 10 eggs was 3.93 kilogram and negative heterosis. Some characteristics of egg was criterion, hatchbility per total was highest 82.94 percent.