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Table 7 Main effect means of dietary selenium sources and vitamin E levels on body weight, feed intake and lymphoid organ weight of 42-day broiler chickens

From: Effects of vitamin E, inorganic selenium, bacterial organic selenium, and their combinations on immunity response in broiler chickens

Items (g) Se Vit E SEM P values
NS SS ADS18-Se 0 100 Se Vit Se* Vit
Initial BW 41.9 42.1 43.3 43.2 42.5 0.28 0.325 0.135 0.543
Final BW 2747.7b 2858.3a 2900.8a 2799.7b 2871.4a 21.79 0.004 0.048 0.565
Average DFI 98.34a 92.67 b 90.89b 99.71a 94.23b 1.21 ≤.0001 0.001 0.061
Lymphoid organ weight (% of BW)
 Thymus 0.204 0.169 0.209 0.205 0.178 0.014 0.483 0.367 0.272
 Bursa 0.064 0.059 0.057 0.053 0.067 0.006 0.873 0.218 0.152
 Spleen 0.123 0.137 0.114 0.115 0.138 0.010 0.755 0.365 0.788
  1. a-b Means with different superscripts within a row-subgroup are significantly different (P < 0.05)
  2. NS no Se supplement, SS sodium selenite, ADS18-Se, bacterial organic Se
  3. BW body weight, DFI daily feed intake per pen (n = 6)