1. An overwhelming remedy for a disease caused by Clostridium bacteria, containing cashew nut shell liquid, heat-treated cashew nut shell liquid, cashew acid, cardanol or cashew acid and cardanol. A food composition for suppressing a disease caused by a Clostridium bacteria, comprising a cashew nut shell liquid, a heat treated cashew nut shell liquid, anacardic acid, cardanol or anacardic acid and cardanol. 3. Clostridium bacteria disease suppressing food containing cashew nutshell liquid, heat-treated cashew nutshell liquid, anacardic acid, cardanol or anacardic acid and cardanol. 4. A food composition for suppressing a disease caused by a Clostridium bacteria, comprising an inhibitory agent for a disease caused by a Clostridium bacteria according to Claim 1.5. A food for suppressing a disease caused by a Clostridium bacteria, comprising a food composition for suppressing a disease caused by a Clostridium bacterium according to claim 4.6. A method for suppressing a disease caused by Clostridium bacteria, comprising administering cashew nut shell liquid, a heat treated cashew nut shell liquid, anacardic acid, cardanol or anacardic acid, and cardanol to livestock that has developed a bacterial disease. 7. Cashew nutshell liquid, heat-treated cashew nutshell liquid, cashew, acid, cardanol or cashew, and cardanol for use in the preparation of an inhibitory agent for a disease caused by bacteria. 8. Shell Fluid1. Подавляющее средство при заболевании, вызванном бактериями Clostridium, содержащее жидкость скорлупы орехов кешью, термически обработанную жидкость скорлупы орехов кешью, анакардиновую кислоту, карданол или анакардиновую кислоту и карданол.2. Композиция корма для подавления заболевания, вызванного бактериями Clostridium, содержащая жидкость скорлупы орехов кешью, термически обработанную жидкость скорлупы орехов кешью, анакардиновую кислоту, карданол или анакардиновую кислоту и карданол.3. Корм для подавления заболевания, вызванного бактериями Clostridium, содер