Table 2.
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.