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. 2020 Sep 12;99(12):6462–6473. doi: 10.1016/j.psj.2020.08.061

Table 5.

Effect of selenium (Se) sources and inclusion levels in diets on relative organ weight of broiler chickens.

Items Added Se (mg/kg) Relative organ weight (%)
Liver1 Spleen1 Kidney1 BF1,2 Thymus1
CON2 0 2.7c,d,e 0.14 0.23 0.22 0.19
Organic Se 5 2.4e 0.15 0.19 0.23 0.18
10 2.9c,d 0.13 0.19 0.20 0.21
15 3.7a 0.13 0.21 0.18 0.16
Inorganic Se 5 2.5d,e 0.13 0.20 0.24 0.18
10 3.1b,c 0.14 0.18 0.22 0.18
15 3.3b 0.10 0.19 0.19 0.10
SEM (n = 6) 0.14 0.014 0.022 0.023 0.030
Main effect
 Se source
 Organic Se 3.0 0.14 0.19 0.20 0.18
 Inorganic Se 3.0 0.12 0.19 0.22 0.16
SEM (n = 18) 0.08 0.008 0.012 0.013 0.015
Se level
 5 2.5c 0.14 0.19 0.24 0.18a
 10 3.0b 0.13 0.18 0.21 0.19a
 15 3.5a 0.12 0.20 0.18 0.13b
SEM (n = 12) 0.10 0.010 0.015 0.016 0.018
P-values
 1-way ANOVA <0.01 0.44 0.70 0.38 0.24
 2-way ANOVA
 Se source 0.64 0.19 0.91 0.48 0.18
 Se level <0.01 0.30 0.66 0.08 0.03
 Source × level 0.09 0.42 0.74 0.98 0.48
 Contrast
 Se level (linear) <0.01 0.16 0.63 0.02 0.04
 Se level (quadratic) 0.92 0.70 0.42 0.97 0.10

a–eMeans with different superscripts within a column differ (P < 0.05).

1

Relative organ weight was expressed as a percentage of BW.

2

Abbreviations: CON, control diet (basal diet); BF, bursa of Fabricius.