territorial scope
Wanyuan Laoyuanzi Town, Baiyang Township, Gu Jun Township, Jingxi Township, Fengtongxiang Township, Tangyan Township, Iron Mine Township, Batai Township, Baisha Town and Shitang Township.
Specific mass
The samples were preserved and sent to the Institute of Animal Nutrition of Sichuan Agricultural University for testing. The total amino acid content of fresh samples from Laoyuan 16 was 22.89%, which was higher than that of local chickens 1.08%. The total content of 16 amino acids in air-dried samples was 78.22%, which was 65438 0.67% higher than that of native chicken (76.55%). Selenium content is 0.09%mg/ 100g, which is 0.05mg/ 100g higher than that of native chicken and 0.25% higher than that of100g.
Cultural allusions
Jiuyuan Black Chicken is an excellent local breed in China, mainly produced in Wanyuan City, Sichuan Province, with a breeding history of 100 years. This variety was discovered by the Southwest Comprehensive Investigation Team of China Academy of Sciences in 1963. Mainly produced in Jiuyuan District, Wanyuan City, so it was named "Jiuyuan Black Chicken". 1982 was designated as a local fine variety in Sichuan Province and included in the "Sichuan Poultry Variety Record". 1983 is listed as a national local excellent breed and belongs to rare chicken breeds in China. 1997 was listed in China Agricultural Library, and in 2003 it was listed in the map of local poultry variety resources in China. In 2005, Jiuyuan black-bone chicken pollution-free production base was successfully declared. In 2006, Wanyuan Jiuyuan Black Chicken (Egg) Certificate of Origin was approved and registered by the Trademark Office of the State Administration for Industry and Commerce, and in 2007 it was 12. On June 9th, 2008, the press conference of 65438 "China Natural Selenium-enriched Agricultural Products Base" was held in Chengdu, especially after the program "Black Chicken in Wanyuan Old Home" was broadcast in the column "Getting Rich" of CCTV Channel 7, it had greater influence and higher popularity in China. On June 5438+1October 65438+September, 2009, Laoyuanzi Black Chicken was rated as "Top Ten Treasures" by the Provincial Government Information Office and the Provincial Agricultural Office.