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Table 3 Organs weight index

From: Soya saponin improves egg-laying performance and immune function of laying hens

Time Items Control 50 ppm SS 500 ppm SS P-value
5th week(27 weeks old, n = 6) Liver, % 2.75 ± 0.44b 2.25 ± 0.44b 2.12 ± 0.20a 0.029
Spleen, % 0.13 ± 0.02 0.12 ± 0.01 0.12 ± 0.02 0.482
Ovaries, % 2.69 ± 0.43 2.90 ± 0.51 2.78 ± 0.63 0.791
Oviducts, % 2.41 ± 1.28 3.43 ± 0.31 2.90 ± 0.97 0.208
10th week(32 weeks old, n = 8) Liver, % 2.40 ± 0.42 2.25 ± 0.22 2.22 ± 0.52 0.625
Spleen, % 0.09 ± 0.02 0.10 ± 0.01 0.09 ± 0.01 0.176
Ovaries, % 2.39 ± 0.69a 3.20 ± 0.64b 2.20 ± 0.67a 0.017
Oviducts, % 2.47 ± 0.44 3.19 ± 0.48 2.99 ± 1.13 0.169
  1. At the end of the 5th and 10th week of the trial, 6–8 birds from each treatment were selected for slaughter to obtain liver, spleen, oviducts, and ovaries. The calculation formula for the weight index of these tissues is as follows: the organ weight, g / live weight of birds, g × 100%. The data in Table 3 different superscript letters indicate significant difference (P < 0.05); same superscript letters indicate no difference (P > 0.1), the same below