黑皮乌骨鸭的选育OA

In order to meet the market demand for high-quality,green and diversified products,Putian black duck,Liancheng white duck,Mei duck and spot-billed duck were used to breed duck varieties with"black skin and black bone"traits through hybridization,self-crossing and closed population.The average body weight of adult male and female black-skinned black-bone ducks were 1 217.381±36.043 g and 1 319.512±55.900 g,respectively.The average age at first laying of female ducks was 145 days,the average annual egg production was 195,and the average egg weight was 62.384±4.497 g.Eggshell gray black or gray green,a few black or gray white.The total amount of 16 amino acids in the chest muscle of black-skinned black-bone duck was 19.8000 g/100g,and the total fatty acid content was 0.8540 g/100g.The successful breeding of black-skinned black-bone duck can effectively improve the contribution rate and market share of excellent varieties to production,create characteristic products,promote farmers'income increase and agricultural efficiency,and has broad industrial application prospects.