| abstract |
The invention discloses a selenium-enriched chicken feed additive and an application thereof. The selenium-enriched chicken feed additive comprises selenium fulvic acid dry powder, biochemical fulvic acid, vitamin E and vitamin B, the selenium fulvic acid dry powder, biochemical fulvic acid The mass ratio of vitamin E and vitamin B is 1:20-25:1:12-15, and the selenium fulvic acid dry powder is prepared by complex reaction of fulvic acid solution and sodium selenite. The selenium-enriched chicken feed additive was added to the green-shelled laying hen feed at a mass ratio of 1:2000, and the green-shelled laying hens were fed, and the selenium-enriched green-shelled eggs produced by the green-shelled laying hens were fed for 7 days. The selenium content is 0.2mg/kg‑0.5mg/kg, which meets the requirements of "eggs and products" selenium-enriched food, and does not contain inorganic selenium, inorganic arsenic, lead, cadmium, and total mercury. Egg quality, egg production and green shell egg rate. |