Table 1.

Name, sample size, and origin of 21 Chinese domestic duck breeds.

Breed	Abbreviation	Sample size	Economic use	Feather color	Existing quantity	Origin
Beijing duck	BJ	96	meat	white	49,900,000	Jade Spring Hill, Beijing
Chaohu duck	CH	80	meat/egg	hemp	2,000,000	Lujiang, Chaohu, Anhui
Dayu duck	DY	96	meat	hemp	110,000	Dayu, Ganzhou, Jiangxi
Chinese Muscovy duck (Chinese Fanya)	FY	96	meat	white/black	1,200,000	Honduras
Guangxi small sheldrake	GX	72	egg/meat	hemp	10,000,000	Xilin, Baise, Guangxi
Gaoyou duck	GY	66	egg/meat	hemp	2,000,000	Gaoyou, Jiangxi
Ji’an red duck	JA	80	meat/egg	brown red	10,000,000	Suichuan, Ji’an, Jiangxi
JIanchang duck	JC	96	meat/egg	hemp	530,000	Xichang City and Dechang County, Sichuan
Jinding duck	JD	80	egg	hemp	12,000	Zini, Longhai, Fujian
Jingjiang sheldrake	JJ	80	meat	hemp	136,000	Jingzhou, Hubei
Jianshui brown duck	JS	96	meat/egg	brown	12,000	Jianshui, Lin’an, etc., Yunnan
Jingxi large sheldrake	JX	72	egg/meat	hemp	400,000	Jingxi, Baise, Guangxi
Liancheng white duck	LC	96	fancy	white	1,500,000	Liancheng, Longyan, Fujian
Linwu duck	LW	72	egg	light gray hemp	6,510,000	Linwu, Chenzhou, Hunan
Mawang duck	MW	96	egg	light gray hemp	466,000	Youyang, Chongqing
Putian black duck/coot	PT	96	meat/egg	black	150 000	Lingchuan, Putian, Fujian
Shanma (Mountain) duck	SM	72	egg	light gray hemp	25,000	Longyan, Fujian
Sansui duck	SS	96	egg/meat	hemp	10,000	Sansui, Guizhou
Taiwan duck	TW	96	egg/meat	dun	2,400,000	Yilan, Dalin, etc., Taiwan
Youxian County sheldrake	YX	72	egg	light gray hemp	5,800,000	Youxian, Zhuzhou, Hunan
Zhongshan sheldrake	ZS	96	meat/egg	hemp	None	Zhongshan, Guangdong