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