As the highest bioavailability of organic selenide, selenomethionine has some advantages including higher absorption rate compared with inorganic selenium, biological functions such as enhancing the body im- munity and the anti-stress ability, etc. Selenomethionine can improve the egg selenium content, the egg quality of laying hens, and enhance their abilities of antioxidation, immunity and antistress. This paper mainly re- viewed the absorption metabolism, biological functions of selenomethionine and its application in laying hen production, aiming to provide theoretical basis for the applic...
