{HEAD ~ Preventives} or remedies for infection, anti endotoxin agents, vaccine adjuvants and {TAIL ~ growth promoters} 
for
{ HEAD ~ Preventives } or remedies for infection , anti endotoxin agents , vaccine adjuvants and { TAIL ~ growth promoters }
HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL