Table 6.
Body weight (BW) of 15-wk-old Lohmann LSL-Lite pullets upon challenge with to E. coli lipopolysaccharide (LPS) when fed flaxseed (FFF) and yeast bioactives (YB) from hatch.1
Item | Prechallenged BW, g | Postchallenge BW, g |
Postchallenge BW gain, g |
||||
---|---|---|---|---|---|---|---|
24 h | 72 h | 168 h | 0–24 h | 0–72 h | 0–168 h | ||
LPS | |||||||
- | 1,162 | 1,162 | 1,159 | 1,150 | −0.49 | −1.47 | −3.44a |
+ | 1,161 | 1,160 | 1,159 | 1,157 | −0.74 | −3.91 | −12.41b |
SEM | 5.92 | 5.92 | 5.96 | 6.30 | 0.806 | 1.566 | 3.113 |
Diet | |||||||
Control | 1,182 | 1,180 | 1,175 | 1,165 | −2.38 | −7.14 | −16.66 |
1% FFF | 1,162 | 1,161 | 1,158 | 1,152 | −1.53 | −4.58 | −10.69 |
3% FFF | 1,153 | 1,153 | 1,154 | 1,155 | 0.39 | 1.18 | 2.75 |
5% FFF | 1,143 | 1,142 | 1,141 | 1,138 | −0.74 | −2.22 | −5.19 |
0.025% YB | 1,152 | 1,155 | 1,155 | 1,147 | 2.92 | 2.88 | −4.81 |
0.05% YB | 1,171 | 1,169 | 1,166 | 1,158 | −1.80 | −5.41 | −12.63 |
0.10% YB | 1,168 | 1,167 | 1,165 | 1,160 | −1.18 | −3.54 | −8.25 |
SEM | 4.15 | 4.12 | 4.13 | 4.39 | 1.507 | 2.929 | 5.824 |
P-value | |||||||
LPS | 0.843 | 0.858 | 0.933 | 0.414 | 0.826 | 0.275 | 0.044 |
Diet | 0.201 | 0.300 | 0.470 | 0.729 | 0.219 | 0.183 | 0.331 |
LPS*Diet | 0.887 | 0.892 | 0.837 | 0.489 | 0.628 | 0.432 | 0.119 |
Co-extruded full-fat flaxseed and pulse mixture (FFF, 1:1 wt/wt), as a source of a-linolenic acid; Enzymatically bio-processed yeast cell walls from Saccharomyces cerevisiae, as a source of yeast bioactives.
Within a column, LSmeans without a common superscript differ P < 0.05.