| 摘要 |
PROBLEM TO BE SOLVED: To obtain the subject feed not requiring a suspending treatment and a nutrition-reinforcing treatment and low in cost by including a creamy yeast having a specific water content. SOLUTION: This feed contains a creamy yeast having a water content of 60-90% as an active ingredient. The feed preferably further contains vitamin B12 and/or a processed starch in amounts of 0.01-10 mg and/or 0.1-20 g, respectively, per kg of the creamy yeast. The feed may further be mixed with a nutrition-reinforcing agent and/or a plant plankton. The feed can be added in a daily amount of 0.1-10 g per 1,000,000 biological feeds to culture the biological feeds. |
