City Grade treated.Pretest treated.Posttest control.Pretest control.Posttest Supplement? F 1 13.8 48.9 12.3 52.3 S F 1 16.5 70.5 14.4 55.0 R F 1 18.5 89.7 17.7 80.4 S F 1 8.8 44.2 11.5 47.0 R F 1 15.3 77.5 16.4 69.7 S F 1 15.0 84.7 16.8 74.1 R F 1 19.4 78.9 18.7 72.7 R F 1 15.0 86.8 18.2 97.3 S F 1 11.8 60.8 15.4 74.1 S F 1 16.4 75.7 18.7 76.3 S F 1 16.2 95.1 17.1 84.5 S F 2 55.1 81.6 50.3 69.1 R F 2 73.1 101.2 63.3 77.0 R F 2 51.4 66.4 50.6 72.9 R F 2 62.3 96.2 66.4 94.4 S F 2 69.7 101.3 73.7 98.0 S F 2 70.9 108.9 46.0 82.4 S F 2 82.5 114.6 88.6 104.9 S F 2 83.9 111.7 78.4 102.4 S F 2 69.8 97.3 61.1 95.3 R F 2 69.2 96.5 68.9 89.5 S F 2 75.1 94.9 66.6 80.0 S F 2 68.2 104.8 67.5 96.9 S F 2 83.5 104.5 87.3 102.9 R F 2 71.7 108.3 40.8 68.9 R F 3 77.6 92.8 103.7 110.6 S F 3 96.5 104.9 95.4 107.6 S F 3 64.2 88.9 68.6 90.5 S F 3 88.3 109.9 91.1 105.8 R F 3 88.6 98.9 97.8 110.6 S F 3 102.4 113.1 100.6 111.3 R F 3 105.0 114.1 99.6 107.1 S F 3 101.4 114.0 98.7 105.8 S F 3 102.6 114.0 104.0 111.0 S F 3 76.4 92.4 78.0 91.7 S F 4 105.9 116.2 81.2 95.5 S F 4 100.8 116.9 102.5 109.4 R F 4 91.7 106.9 78.4 94.0 R F 4 97.5 104.6 91.9 101.0 R F 4 106.5 114.2 110.3 115.3 R F 4 107.4 113.6 104.9 110.6 S F 4 111.4 116.6 89.7 96.0 S F 4 110.0 114.8 106.2 111.7 S F 4 106.9 114.9 106.2 115.9 S F 4 106.7 111.0 111.9 113.9 R F 4 104.1 113.9 109.4 114.4 S Y 1 12.0 60.6 11.9 54.6 R Y 1 12.3 55.5 15.1 56.5 S Y 1 17.2 84.8 16.8 75.2 S Y 1 14.6 84.9 15.8 71.1 S Y 1 18.9 101.9 15.8 75.6 S Y 1 15.3 70.6 13.9 55.3 R Y 1 16.6 78.4 14.5 59.3 R Y 1 16.0 84.2 17.0 87.0 S Y 1 20.1 108.6 15.8 73.7 S Y 1 16.4 76.6 14.3 52.9 S Y 2 80.3 101.9 90.0 110.3 S Y 2 76.6 100.1 81.3 98.9 R Y 2 70.1 91.7 74.9 97.2 S Y 2 60.9 92.5 72.0 97.2 R Y 2 72.3 94.4 52.2 67.6 R Y 2 78.6 101.3 81.2 103.9 S Y 2 77.4 102.2 82.0 103.8 S Y 2 71.8 100.6 73.8 93.4 S Y 2 93.0 113.8 81.1 103.1 S Y 2 97.7 114.3 78.8 101.2 R Y 2 65.7 87.9 63.2 83.6 R Y 2 80.4 105.6 77.6 103.0 S Y 2 75.6 102.5 65.9 88.5 S Y 2 68.4 93.6 68.9 97.8 S Y 2 83.3 109.2 78.8 103.6 S Y 2 93.7 111.2 88.4 105.8 R Y 2 87.3 106.4 86.5 99.6 R Y 2 95.2 110.6 89.5 104.8 R Y 2 80.4 112.1 55.9 86.0 S Y 2 85.4 113.3 52.6 85.3 S Y 3 98.0 111.1 95.3 102.9 S Y 3 83.3 98.9 103.6 110.4 S Y 3 100.8 112.2 108.1 115.3 S Y 3 103.8 114.5 109.1 114.7 R Y 3 100.7 110.3 98.9 110.2 S Y 3 97.0 103.7 87.4 98.3 R Y 3 97.3 110.8 92.5 101.9 R Y 3 94.5 108.9 89.0 100.8 S Y 3 97.7 109.6 100.6 111.6 S Y 3 93.9 107.2 94.0 105.4 S Y 4 109.7 115.6 111.8 116.2 R Y 4 110.6 116.2 112.1 115.7 S Y 4 115.2 119.6 113.9 118.0 R Y 4 101.9 109.6 106.3 110.9 S Y 4 119.8 122.0 110.8 113.4 S Y 4 108.8 109.7 107.5 111.2 S Y 4 104.6 112.4 110.0 113.3 S Y 4 111.1 115.5 111.6 115.9 S Y 4 115.5 119.7 109.8 115.2 R Y 4 107.2 111.5 102.6 110.0 R