Upon the infusion of CLA, {HEAD ~ a portion} of the CLA is transferred to the mammary gland and incorporated into {TAIL ~ milk fat} 
incorporated into
Upon the infusion of CLA , { HEAD ~ a portion } of the CLA is transferred to the mammary gland and incorporated into { TAIL ~ milk fat }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL