Nghiên cứu khả năng sản xuất của gà DA15-16 qua các thế hệ
DA15-16 chickens were imported to Vietnam since 2016 from the DA15 project in order to survey and evaluate the unique appearance the production ability of DA15-16 chickens through generations from 2016 - 2019. The study was conducted at centre of applied research and livestock genetic conservation from 2016 - 2019 to assess the production physical appearance characteristics and production ability of DA15-16 chickens. Experiment was arranged according to the method of a completely JG. Experimental results showed: DA15-16 chickens have homogeneous white milky fur, black skin and black leg skin. Survival rate of DA15-16 chickens was high, from 0 - 8 weeks of 96.01 - 96.46%. The period of 9-20 weeks old, roosters reach 96.61 - 97.14% and in hens was 97.06 - 97.54%. Average weight of 20-week-old rooster reach 2589.33 - 2669.33 g; of hen reach 1865.33 - 1935.33 g. DA15-16 chickens have the first egg age (147-151 days of age). The number of eggs was 73.75 - 76.05 /hen/52 weeks of age and feed consumption was 3.46-3.44 kg; ingot rate of DA15-16 chicken was 88.90 - 90.20%.
