Accompanying tables for article: Effects of Dietary Ingredients On Carcass Quality Measures

Researchers: Justin M. Benz; Sara K. Lineen; Joel M. DeRouchey; Mike Tokach; Steve Dritz, DVM; Jim Nelssen; and Robert Goodband, Kansas State University. Contact Benz at (785) 532-1270.

Table 1. Main Effects of Adding Fat to Corn and Sorghum-Based Diets on Growth Performancea
Fat Level Source Gender
Added Choice White Grease
0%
2.5%
5%
Corn
Sorghum
Barrows
Gilts
Day 0 to 83
Average daily gain, lb.
2.03
2.11
2.19
2.05
2.17
2.12
2.09
Average daily feed intake, lb.
5.72
5.79
5.84
5.65
5.91
5.94
5.62
Feed/gain
2.81
2.75
2.67
2.76
2.73
2.81
2.69
aTotal of 116 pigs (initial weight 119.9 lb.) with two pigs/pen and 10 replicates

Table 2. Main Effects of Adding Fat to Corn and Sorghum-Based Diets on Carcass Performance
Fat Level Source Gender
Choice White Grease
0%
2.5%
5%
Corn
Sorghum
Barrows
Gilts
Hot carcass wt., lb.
210.7
214.3
217.2
212.7
215.2
214.8
213.2
Dress, %
72.5
73.2
73.1
73.3
72.5
73.4
72.4
10th-rib backfat, in.b
0.68
0.72
0.78
0.70
0.76
0.75
0.70
Loin depth, in.b
2.41
2.54
2.45
2.47
2.47
2.45
2.48
Last rib backfat, in.b
0.91
0.98
1.00
0.96
0.97
0.97
0.95
Lean, %b
53.6
53.6
52.6
53.6
52.9
52.9
53.6
Backfat iodine value
62.54
66.24
65.94
65.82
63.86
64.70
64.96
Jowl fat iodine value
68.03
69.47
70.48
70.29
68.29
69.51
69.13
Backfat, %
12.50
14.02
13.49
14.37
12.29
13.32
13.30
Jowl fat, %
13.39
13.99
14.19
14.69
12.99
13.95
13.76
Backfat saturated fatty acids, %
41.38
38.72
38.46
39.49
39.67
39.74
39.41
Jowl fat saturated fatty acids, %
36.36
35.29
34.26
35.05
35.60
35.24
35.38

Table 3. Effects of Dried Distiller's Grain with Solubles (DDGS), Extruded Expelled Soybean Meal (EESM) and Choice White Grease (CWG) on Growth Performancea
Item Control EESM EESM+DDGS DDGS+CWGe Low CWG High
CWG
Day 0 to 82
Average daily gain, lb. 2.08b 2.07b 1.83c 2.00bc 2.04bc 2.18b
Average daily feed intake, lb. 6.37b 5.98c 5.54d 5.92c 5.75cd 5.86cd
Feed/gain 3.17c 2.95bc 2.65b 3.00c 2.88bc 2.74b
aTotal of 120 pigs (initial weight 105.7 lb.) with 10 observations per treatment
bcdTreatments with different superscripts differ P<0.05
eChoice White Grease

Table 4. Effects of Dried Distiller's Grain with Solubles (DDGS), Extruded Expelled Soybean Meal (EESM) and Choice White Grease (CWG) on Carcass Performancea
Item Control EESM EESM+DDGS DDGS+CWGe Low CWG High CWG
Loin depth, in. 2.00bc 2.00bc 2.13bc 2.08bc 1.93b 2.19c
Lean, % 50.8 50.9 51.2 51.1 50.6 51.3
Dress, % 73.0 71.7 72.0 73.0 73.1 73.0
Last rib backfat, in 0.94 0.90 0.88 0.94 0.92 0.97
10th-rib backfat, in 0.82 0.78 0.82 0.79 0.78 0.83
Backfat iodine value 59.92b 64.99c 70.78d 69.34d 62.11b 61.82b
Jowl iodine value 64.60b 68.80d 72.30f 70.16e 66.25c 67.09cd
Backfat, % 11.20b 14.48c 18.44d 17.32d 11.80b 11.36b
Jowl, % 11.02b 13.82c 16.17d 14.90cd 11.61b 11.86b
Backfat saturated, fatty acids, % 42.83b 41.06c 38.43b 38.48b 41.03c 40.78c
Jowl saturated fatty acids, % 37.43e 36.07c 34.41b 35.18bc 36.26d 35.48cd
aTotal of 110 pigs
bcdefTreatments with different superscripts differ, P<0.05
eChoice White Grease

Table 5. Effects of Increasing DDGS on Grow-Finish Pig Performance and Carcass Characteristicsa
DDGS, %
Item 0 5 10 15 20
Day 0 to 78
Average daily gain, lb. 2.03 2.02 2.02 1.98 1.95
Average daily feed intake, lb. 5.27 5.11 5.22 5.09 5.05
Feed/gain 2.60 2.53 2.59 2.58 2.59
Slaughter weight, lb.b 259.9 259.7 259.6 256.7 256.7
Carcass weight, lb. 196.7 195.9 195.4 193.1 192.7
Yield, % 75.67 75.46 75.39 75.22 75.06
Backfat, in.c 0.73 0.74 0.72 0.71 0.71
Loin depth, in.c 2.31 2.30 2.29 2.26 2.27
FFLI, %cd 49.34 49.45 49.53 49.70 49.65
aA total of 1,112 pigs (initially 110 lb.) with 25 to 28 pigs/pen and nine replications/treatment
bWeight determined at slaughter plant
cData analyzed using carcass weight as a covariate
dFat-free lean index

Table 6. Effects of Increasing DDGS on Fat Quality of Topped Pigsa
DDGS, %
Item 0 5 10 15 20
Iodine value, g./100g.
Backfat 67.9 69.3 71.8 72.3 72.3
Jowl fat 69.3 70.3 70.3 71.3 72.9
Belly fat 67.5 69.6 70.8 72.0 73.8
Fatty acids, %
Backfat 13.7 15.2 16.5 17.5 17.6
Jowl fat 13.0 13.9 14.1 15.4 15.8
Belly fat 13.3 14.8 15.8 17.3 17.9
Saturated fatty acids, %
Backfat 36.1 35.1 34.4 34.6 33.7
Jowl fat 33.8 33.6 33.9 33.9 32.5
Belly fat 36.2 35.4 35.1 35.1 33.7
aMeans represent six observations (pigs)/treatment.

Table 7. Effects of Increasing DDGS o n Fat Qualitya
DDGS, % Gender
Item 0 5 10 15 20 Barrows Gilts
Iodine Value, g./100g.
Backfat 68.3 70.0 71.2 72.4 72.8 70.7 71.1
Jowl fat 70.7 70.8 71.9 72.6 73.8 71.6 72.3
Belly fat 70.2 71.5 72.4 73.3 74.5 71.8 72.9
Fatty acids, %
Backfat 14.0 14.9 15.8 17.1 17.6 15.6 16.2
Jowl fat 14.1 14.0 14.9 15.6 16.5 15.0 15.1
Belly fat 14.5 15.3 16.3 16.8 17.9 15.9 16.5
Saturated fatty acids, %
Backfat 36.0 35.0 34.5 34.4 34.5 34.9 34.9
Jowl fat 33.3 33.1 32.8 32.7 32.3 33.2 32.5
Belly fat 34.4 33.8 33.7 33.2 32.9 33.9 33.3
aMeans represent 18 observations (pigs)/treatment.