AGENT FOR IMPROVING MILK YIELD AND/OR MILK QUALITY OF RUMINANTS PREVENTIVE OR THERAPEUTIC AGENT FOR PERINATAL DISEASE AND AGENT FOR IMPROVING REPRODUCTIVE EFFICIENCY
The present invention addresses the problem of improving the milk yield and/or milk quality of ruminants for milk production preventing or treating a perinatal disease of ruminants and improving the reproductive efficiency of ruminants. An agent for improving milk yield and/or milk quality of ruminants characterized by containing cashew nut shell oil heat treated cashew nut shell oil anacardic acid cardanol and/or cardol. A preventive or therapeutic agent for perinatal disease of ruminants characterized by containing cashew nut shell oil heat treated cashew nut shell oil anacardic acid cardanol and/or cardol. An agent for improving reproductive efficiency of ruminants characterized by containing cashew nut shell oil heat treated cashew nut shell oil anacardic acid cardanol and/or cardol.