黑鸭

利用A、B、C、D4个品系12组莆田黑鸭母鸭研究AKP同工酶表型和生产性能的关系。

The relationship between the phenotype of AKP isozyme and performance was examined in 12 groups of 4 strains ( A , B , C , D ) of putian Black Duck .

莆田黑鸭MHC基因4个位点的密码子其相对使用频率存在一定的差异，即该基因的4个研究位点存在密码子偏倚性。

The frequency of coden usage of four loci in Putian Black Duck showed differences , namely there existed codon bias with the four loci . 4 .

莆田黑鸭MHC基因与其他物种的聚类分析表明，禽类分支中，鸭与鹅的亲缘关系最近。

The MHC gene clustering analysis of Putian Black Duck versus other species showed that the genetic distance between duck and goose was the closest in the poultry group .

莆田黑鸭青壳蛋遗传规律的研究

Study on Genotype of Blue Egg Shell in Pu-tian Black Laying Ducks

产蛋鸭（莆田黑鸭）的能量和蛋白质需要的研究

Energy and protein requirements of Pu-tian laying ducks

秧鸡科的几种水鸟之任一种，如番鸡、秧鸡或黑鸭，居住在沼泽地。

Any of various water birds of the family Rallidae , as the gallinule , rail , or coot , that inhabit marshland .

日粮电解质平衡对开产笼养蛋鸭的影响产蛋鸭（莆田黑鸭）的能量和蛋白质需要的研究

The study on the optimal levels of the dietary electrolyte balance for rearing laying ducks in summer ENERGY AND PROTEIN REQUIREMENTS OF PU-TIAN LAYING DUCKS

在这一整条杳无人迹的海岸线上，海岛、盐沼和沙滩为冻原天鹅、黑鸭、黑水鸡和其他水鸟提供了一个绝佳的栖息所。

All along this uninhabited shoreline , sea islands , salt marshes , and sandy beaches provide a perfect resting place for Tundra swans , coots , gallinules , and other water birds .