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. 2021 Mar 5;7(2):384–392. doi: 10.1016/j.aninu.2020.08.011

Table 2.

Body fat content of the growing-finishing pigs.1

Index NORMAL1 LOW2 S2G13 S1G24 S1G15
Body fat ratio, % 2.18 ± 0.15b 2.48 ± 0.29ab 2.16 ± 0.26b 2.97 ± 0.25a 2.10 ± 0.14b
Backfat thickness, mm 20.96 ± 0.97 22.51 ± 0.77 22.84 ± 1.04 23.53 ± 1.40 20.80 ± 0.89
Intramuscular fat, % 1.83 ± 0.23bc 2.64 ± 0.27ab 3.22 ± 0.25a 2.92 ± 0.38a 2.50 ± 0.34ab

a,b,cMean values within a row with unlike superscript letters were significantly different (P < 0.05). n = 8.

1

NORMAL, pigs fed a normal crude protein (16%) diet.

2

LOW, pigs fed a low crude protein (12%) diet generated by decreasing the content of soybean meal.

3

S2G1, pigs fed a low crude protein (12%) diet with serine-to-glycine ratio 2:1, generated by decreasing the content of soybean meal and adding 0.49% serine and 0.08% glycine.

4

S1G2, pigs fed a low crude protein (12%) diet with serine-to-glycine ratio 1:2, generated by decreasing the content of soybean meal and adding 0.57% glycine.

5

S1G1, pigs fed a low crude protein (12%) diet with serine-to-glycine ratio 1:1, generated by decreasing the content of soybean meal and adding 0.24% serine and 0.33% glycine.