Beijing black pig has become China's "famous brand pig"

Introduction: NADPH producing enzyme was used as biochemical genetic marker, combined with conventional breeding technology, to continuously select several generations of Beijing black pig, and finally achieve the goal of improving its lean meat rate on the basis of maintaining the original excellent performance of Beijing black pig At present, the acceptance and appraisal meeting of the project "breeding Beijing black pig lean line by biochemical genetic markers" is held in Huilongguan Hotel, Beijiao farm, Beijing It is understood that this project was originally one of the "Eighth Five Year Plan" key projects issued by Beijing Municipal Commission of science and technology, and organized and implemented by Beijing Municipal Farm administration and China Agricultural University Beijing Beijiao farm animal husbandry experimental station, qiliqu original breed pig farm and Shuangqiao Farm breed pig farm work together At present, the average carcass lean percentage of Beijing black pig in the fifth generation is 59.28%, which exceeds the breeding index by 4.28%, the average backfat thickness is 2.21cm, 0.79cm lower than the breeding index, the leg to hip ratio is 31.22%, and 1.22% higher than the breeding index Through this identification, it not only affirmed and protected the original population of Beijing black pig, but also pointed out the direction for further accelerating the development of Beijing black pig in the direction of improved breed and industrialization Beijing black pig is a kind of excellent meat fat dual-purpose pig breed developed by Chinese scientists and technologists It is an excellent local breed in Beijing area It has many good characters, such as high quality and fruit, fresh and tender meat, strong resistance and adaptability to disease, large number of offspring, good lactation performance, high feed utilization rate, etc it has good combining ability with foreign excellent male breeds As early as 1987, it was listed as the national "lean meat pig production series" project of maternal breeding pigs, and also won the first prize of the Ministry of agriculture for scientific and technological progress It has been exported to 26 provinces, cities, autonomous regions and Japan.