Comprehensive assessment showed that the combination LBLY containing 1/2 Anas platyrhynchos blood, 1/4 Peking Duck blood and 1/4 Cherry Valley Duck blood was the best among three cross combinations.

• 综合评定结果显示，含1/2绿头野鸭血统、1/4北京鸭血统和1/4樱桃谷鸭血统的LBLY组合的杂交效果最好。