| 摘要 |
The present invention relates to a feed composition which contains silver-carrying zeolite and an animal-breeding method comprising the step of administering, to an animal, the foregoing silver-carrying zeolite-containing feed composition. The feed composition has almost no influence on the useful lactobacillus, but exerts an antimicrobial effect on various kinds of harmful microorganisms, in particular, bacteria belonging to the genus Salmonella or the like. Accordingly, the feed composition would permit the improvement of the healthiness of enteric canal of domestic animals, domestic fowls and cultivated fishes and the composition would in thus permit the acceleration of their growth, while maintaining their good healthiness.
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