48 hours post mortem a drip los analysis was conducted the data was analyzed as a randomized complete block the experimental unit for all calculations was 34 pen 34 the glm procedure of sas 1988 was used for single degree of freedom contrasts among the dietary treatments pigs fed mto supplemented diets grew faster during the 80 to 160 160 to 230 and 80 to 230 lb bw growth intervals than pigs fed tonalin u2122 cla 60 this improved growth is attributable to increases in the adfi by the pigs of each growth interval the growth performance of the barrows is set forth in table 3 and the carcass characteristics are set forth in table 4 table 3______________________________________growth performance of barrows fed mto or tonalin u2122 cla 60 sup a con tonalin u2122 contrast probability trol mto cla 60 values p lt item 1 2 3 cv 1 vs 2 1 vs 3 2 vs 3______________________________________80 to 160 lb bw adg lb 2 30 2 35 2 17 4 24 35 03 01 adfi lb 5 78 5 79 5 57 5 63 93 28 25 f g 2 51 2 46 2 57 5 04 49 43 15 160 to 230 lb bw adg lb 2 26 2 37 2 11 11 41 44 35 10 adfi lb 7 14 7 45 6 72 8 95 41 27 06 f g 3 17 3 14 3 21 7 50 79 80 61 80 to 230 lb bw adg lb 2 28 2 36 2 14 7 28 39 17 03 adfi lb 6 44 6 60 6 13 7 30 56 27 10 f g 2 83.