| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a feed additive for laying hens, which is excellent in effect of reinforcing eggshells, shows a particularly remarkable effect of improving eggshell qualities in the second half of a laying period, relieves stress caused by forced molting, cage transfer and so on and can inhibit lowering in an egg-laying rate. <P>SOLUTION: The feed additive for the laying hens comprises lactobionic acid or a lactobionic acid salt and the feed is characterized by containing the feed additive for the laying hens comprising lactobionic acid or the lactobionic acid salt and a feed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
