6Mv China Feed Industry Information Network - based on feed, serving animal husbandry

Chicken and duck eggs with dark yellow, deep red, orange and other colors are called "red hearts". Not only can meet the needs of domestic consumers, but also meet the export requirements. The current chicken, duck egg export regulations, egg yellow to reach the "level 3" in line with international standards. The egg yellow grade is divided into 15 hectares from shallow to deep, with less color and more color depth. The feed types and feeding points that can improve the egg yellow grade of chickens, ducks and other poultry are as follows, for reference by the farmers. 6Mv China Feed Industry Information Network - based on feed, serving animal husbandry

苜蓿: Whole grass is used for dry powder application, containing 250 mg of lutein, 30 mg of lutein, 200 mg of zeaxanthin, and 320 mg of carotenoid per kilogram. Add 5% of alfalfa powder to the diet, and the egg yellow grade can be increased from 1 to 4. 6Mv China Feed Industry Information Network - based on feed, serving animal husbandry

Ryegrass: Castrated ryegrass at jointing stage, with 200 mg of carotenoids per kilogram of dry powder. Adding 5% ryegrass powder to the laying hen diet can increase the egg yellow level from 6-7 to 11. 6Mv China Feed Industry Information Network - based on feed, serving animal husbandry

Polymeric grass: The whole grass is used as a dry powder, which contains more crude protein than alfalfa. Adding 5% of the polymer grass powder to the diet can increase the egg yellow level by 6. Chicken and duck are available. 6Mv China Feed Industry Information Network - based on feed, serving animal husbandry

Yellow corn: 30 mg of carotenoids per kilogram after crushing yellow corn seeds. In the compound feed, yellow corn flour accounts for 60%, which can increase the egg yellow grade from grade 1 to grade 8. Chicken and duck are available. 6Mv China Feed Industry Information Network - based on feed, serving animal husbandry

Carrot: Each kilogram of carrot contains 492 mg of carotene and 508 mg of lutein. Adding 30% fresh carrots to the diet can significantly increase the egg yellow grade. Chicken and duck are available. 6Mv China Feed Industry Information Network - based on feed, serving animal husbandry

Pumpkin: It is a succulent feed containing 65 mg of carotene per kg and more lutein. Appropriate feeding can effectively improve the egg yellow grade. Chicken and duck are available. 6Mv China Feed Industry Information Network - based on feed, serving animal husbandry

Amaranth: A variety of wild amaranth can be applied, the right amount of feeding, can make the egg yellow color apricot yellow or orange. Chicken and duck are available. 6Mv China Feed Industry Information Network - based on feed, serving animal husbandry