The princess 屯 egg shape is oval, the eggshell is thick and firm; the concentrated protein and the diluted protein are clearly defined, and contain rich mineral nutrients such as iron, calcium, magnesium and zinc, as well as rich vitamins. Affected by geographical factors, its vitamin B2 content is higher than the common feed eggs on the market, which is the first choice for healthy green life.

The princess and the egg began in the Liao Dynasty. According to the "Liao History · Taizu Ji", "Tianzan three years under May" recorded: "It is the migration of the Luzhou people in the Liaozhou area." The Han people moved in and brought the development of the Central Plains. Cultural and agricultural techniques, and the family feeding of laying hens into Liaozhou. At present, the number of laying hens in the region is more than 8 million, with an annual output of 100,000 tons of eggs. The annual trading volume of the princess and egg market is 150,000 tons, second only to the two wholesale markets of Guangzhou Dongwang and Hebei Guantao Jinfeng, ranking third in the country and first in the Northeast. It ranks first in the transaction volume of the same level of townships and towns nationwide.

Princess 屯 egg quality technical requirements First, the variety of local breeding soil eggs. Second, the conditions of production The scale of the chicken farm environment, air quality in line with relevant regulations, soil pH value of 6.5 to 7.5. Third, feeding management 1. Feeding methods: cage. 2. Feeding density: The average cage bottom area of ​​each chicken is more than 500 square centimeters. 3. Laying period: The eggs produced by laying hens from 120 days to 540 days old are selected. 4. Environmental and safety requirements: The prevention and control of the breeding environment and epidemic diseases must comply with relevant national regulations. 5. Feed: Local self-produced feed, such as corn, soybean meal, nutritional supplements, etc. Fourth, the quality characteristics 1. Sensory characteristics: the eggshell is thick and strong; the concentration of concentrated protein and protein is clear. The egg yolk is elastic and orange to orange. 2. Physical and chemical indicators: Item Index (mg/100g) Vitamin B2 ≥0.4 Zinc ≥3 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the scope of the princess and egg production area may apply to the Xinmin City Market Supervision Administration for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Liaoning Provincial Bureau of Quality and Technical Supervision and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The inspection mechanism for princess and eggs is selected by the Liaoning Provincial Bureau of Quality and Technical Supervision in the inspection institutions that meet the qualification requirements.