PPT Slide
Impact of Ractopamine Level on Pig Growth and Carcass Measurement
Ractopamine Level/ppm 0 5.0 10.0 20.0
ADG, lb/d 1.80 1.98 1.99 2.01
ADFI, lb/d 3.06 3.06 2.97 2.98
Feed/Gain 3.70 3.41 3.36 3.28
Dressing Percent 72.1 72.5 72.7 73.0
10th Rib fat depth, in. .99 .94 .92 .87
LEA, in2 5.15 5.55 5.70 5.84
% Dissected lean 52.8 55.5 -- 58.2
Dissected Fat 27.1 25.2 -- 23.0
Watkins et al., 1988, 6 trials, 888 pigs