【摘要】 硒是畜禽必不可少的营养元素,对畜禽具有多种功能。本文重点介绍了硒的功能,缺硒时对畜禽的危害,解决畜禽缺硒时的途径及其应用时的注意事项。更多还原

【Abstract】 Selenium is one of the essential elements. This paper introduced the function of selenium, the harm and resolvingmethod of livestock and poultry when they are in short of Selenium, and the announcements of its application of selenium.更多还原