| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an eggshell quality-improving additive; and to provide a poultry feed containing the additive. <P>SOLUTION: The eggshell quality-improving additive comprises coral sand collected from the sea. The poultry feed is formulated with the eggshell quality-improving additive comprising the coral sand collected from the sea. <P>COPYRIGHT: (C)2004,JPO |
