In a preferred embodiment, {HEAD ~ hyperimmunization} of food animals is achieved by {TAIL ~ a single administration} of microencapsulated vaccine 
is achieved by
In a preferred embodiment , { HEAD ~ hyperimmunization } of food animals is achieved by { TAIL ~ a single administration } of microencapsulated vaccine
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH