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. 2021 Apr 13;10(4):596. doi: 10.3390/antiox10040596

Table 2.

The effect of the selenium source during the finishing phase on the growth performance and carcass characteristics.

Item Groups SEM p
SS SY OH-SeMet
Average initial BW, kg 643.48 640.67 639.33 2.435 0.475
Average final BW, kg 752.86 751.43 749.14 2.405 0.549
ADG, kg/d 1.458 1.477 1.463 0.014 0.504
Cold carcass weight, kg 448.48 446.67 447.43 2.021 0.816
Dressing percentage, % 59.58 59.45 59.72 0.002 0.669
Carcass SEUROP 1
% of carcass conformation U 23.81 19.05 9.52 0.119 0.475
% of carcass conformation E 76.19 80.95 90.48 0.119 0.475
% of carcass fatness 2 33.33 28.57 23.81 0.143 0.800
% of carcass fatness 3 66.67 71.43 76.19 0.143 0.800

SS—sodium selenite; SY—vselenium-enriched yeast; OH-SeMet—hydroxy-selenomethionine. BW—body weight; ADG—average daily gain; 1 U—very good: profiles on the whole convex, very good muscle development; E—excellent: all profiles convex to super-convex, exceptional muscle development; 2—slight: slight fat cover, flesh visible almost everywhere; 3—medium important: flesh, with the exception of the round and shoulder, almost everywhere covered by fat, slight fat deposits in the thoracic cavity.