Table 5.
Effects of feeding flaxseed (FFF) and yeast bioactives (YB) to Lohmann LSL-Lite pullets from hatch through to 16 wk of age (woa) on lymphoid organs weight (g/kg BW).1
FFF inclusion, % |
YB inclusion, % |
P-value |
|||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Response to FFF |
Response to YB |
||||||||||||
Item | Control | 1 | 3 | 5 | 0.025 | 0.05 | 0.1 | SEM | Overall | Linear | Quadratic | Linear | Quadratic |
Thymus | |||||||||||||
4 woa | 10.58a | 8.55b | 9.20b | 8.94b | 6.90c | 7.49c | 6.91c | 0.31 | 0.001 | 0.094 | 0.037C | 0.001 | 0.027Q |
8 woa | 8.86 | 7.78 | 7.51 | 6.05 | 8.05 | 8.04 | 7.19 | 0.29 | 0.261 | 0.012 | 0.018C | 0.130 | 0.990 |
12 woa | 5.42 | 5.39 | 5.67 | 5.00 | 5.62 | 5.97 | 5.89 | 0.14 | 0.680 | 0.544 | 0.369 | 0.323 | 0.834 |
16 woa | 3.47 | 3.21 | 4.18 | 3.43 | 3.50 | 3.51 | 3.05 | 0.12 | 0.117 | 0.610 | 0.123 | 0.240 | 0.163 |
Spleen | |||||||||||||
4 woa | 2.16 | 2.16 | 2.13 | 2.07 | 2.05 | 2.11 | 2.21 | 0.05 | 0.988 | 0.654 | 0.829 | 0.731 | 0.479 |
8 woa | 2.02 | 2.03 | 2.03 | 2.07 | 2.23 | 2.23 | 2.14 | 0.03 | 0.395 | 0.705 | 0.838 | 0.335 | 0.148 |
12 woa | 1.96 | 2.00 | 2.16 | 1.96 | 2.15 | 2.21 | 2.20 | 0.04 | 0.449 | 0.762 | 0.296 | 0.138 | 0.398 |
16 woa | 1.88 | 1.78 | 1.73 | 1.92 | 2.13 | 1.90 | 1.90 | 0.04 | 0.085 | 0.876 | 0.130 | 0.670 | 0.150 |
Bursa | |||||||||||||
4 woa | 7.65 | 6.81 | 6.49 | 5.96 | 6.97 | 6.93 | 7.52 | 0.19 | 0.225 | 0.017 | 0.034C | 0.846 | 0.194 |
8 woa | 5.05 | 4.13 | 4.99 | 5.16 | 4.36 | 4.66 | 4.81 | 0.13 | 0.211 | 0.391 | 0.096Q | 0.789 | 0.206 |
12 woa | 3.92 | 4.35 | 4.57 | 3.79 | 3.87 | 4.14 | 4.09 | 0.08 | 0.170 | 0.877 | 0.009Q | 0.390 | 0.880 |
16 woa | 2.66 | 3.10 | 3.08 | 2.72 | 2.91 | 2.68 | 2.68 | 0.09 | 0.447 | 0.845 | 0.069 Q | 0.776 | 0.706 |
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 row, LSmeans without a common superscript differ P < 0.05.