Table 3.
Final body weight (FBW), liver weight, heart weight, glutathione peroxidase activity (GPX, U/ml), total antioxidant status (TAS, mmol/l), mg selenium/kg leg muscle, thiobarbituric acid reactive substances (TBA) mg/kg leg muscle and front face fluorescence spectrometry (FFF) and thigh muscle fatty acid composition (g/100 g fatty acid) for broilers fed diets based on wheat with different fat source; rapeseed oil (RO) or rapeseed oil plus linseed oil (LO), and with different selenium concentration: 0.50 mg Se/kg or 0.84 mg Se/kg diet.
Fat source | Selenium | P (Fat source) | P (Selenium) | P (Fat source*Selenium) | RSD | |||
RO | LO | 50Se | 84Se | |||||
FBW | 783 | 749 | 775 | 756 | 0,04 | NS | NS | 64,12 |
Liver g | 26,1 | 24,8 | 25,8 | 25 | NS | NS | 0,003 | 2,63 |
Heart g | 7,24 | 6,51 | 7,1 | 6,7 | 0,007 | NS | NS | 1,02 |
Se mg/kg muscle | 0,33 | 0,34 | 0,28 | 0,39 | <0,0001 | <0,0001 | <0,0001 | 0,012 |
Gpx U/ml | 14,4 | 14,5 | 12,5 | 16,3 | NS | <0,0001 | NS | 2,29 |
TAS mmol/l | 0,79 | 0,71 | 0,77 | 0,74 | NS | NS | NS | 0,186 |
FFF | 76 | 410 | 245 | 224 | NS | NS | NS | 1597 |
TBA ug/g muscle | 0,35 | 0,3 | 0,31 | 0,33 | 0,012 | NS | NS | 0,075 |
Thigh muscle fatty acids, g/100 g fat: | ||||||||
C14:0 | 0,38 | 0,41 | 0,4 | 0,39 | NS | NS | 0,018 | 0,1 |
C14:1 | 1,98 | 2,01 | 1,91 | 2,14 | NS | 0,013 | NS | 0,35 |
C16:0 | 14,44 | 14,89 | 14,5 | 14,83 | 0,057 | NS | NS | 0,91 |
C16:1 | 1,07 | 1,27 | 1,21 | 1,13 | 0,019 | NS | 0,043 | 0,32 |
C18:0 | 11,3 | 11,3 | 11,1 | 11,5 | NS | NS | 0,017 | 1,19 |
C18:1 | 23,1 | 22,6 | 23,5 | 22,3 | NS | NS | NS | 2,52 |
C18:2 | 16,4 | 15,5 | 16 | 16 | 0,001 | NS | 0,019 | 1,03 |
C18:3 | 1,71 | 2,59 | 2,2 | 2,1 | <.0001 | NS | NS | 0,48 |
C20:4 | 5,09 | 4,22 | 4,56 | 4,75 | 0,0002 | NS | NS | 0,84 |
C20:5 | 0,88 | 1,41 | 1,07 | 1,22 | <0,0001 | 0,016 | NS | 0,23 |
C22:5 | 2,24 | 2,73 | 2,31 | 2,66 | 0,0002 | 0,006 | 0,059 | 0,482 |
C22:6 | 3,32 | 3,27 | 3,11 | 3,48 | NS | 0,035 | NS | 0,673 |
18:2/18:3 | 9,97 | 6,34 | 8,1 | 8,3 | <.0001 | NS | NS | 1,94 |
20:4/20:5 | 5,94 | 3,05 | 4,72 | 4,26 | <0,0001 | NS | NS | 0,996 |