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. 2023 Jul 18;102(10):102940. doi: 10.1016/j.psj.2023.102940

Table 4.

Effects of feeding flaxseed (FFF) and yeast bioactives (YB) to Lohmann LSL-Lite pullets from hatch through to 16 wk of age (woa) on growth performance and body weight uniformity.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
Body weight, g/bird
 Day 0 34.8 34.7 34.8 34.7 34.8 34.6 34.8 0.07 0.586 - - - -
 4 woa 293b 293b 296b 292b 300a 298b 287c 1.18 0.049 0.916 0.373 0.115 0.003
 8 woa 688 676 668 656 670 675 667 3.49 0.247 0.009 0.025C 0.138 0.067
 12 woa 975 968 963 970 944 980 968 4.94 0.638 0.723 0.722 0.789 0.457
 16 woa 1,172 1,181 1,153 1,169 1,125 1,180 1,181 7.50 0.445 0.720 0.911 0.330 0.246
Body weight gain, g/bird
 0–4 woa 258c 258c 261b 257c 265a 264a 252d 1.19 0.032 0.953 0.380 0.144 0.002
 5–8 woa 395 380 375 365 378 380 380 2.74 0.076 0.001 0.003C 0.121 0.084
 9–12 woa 287 293 292 313 293 298 301 2.98 0.653 0.125 0.614 0.150 0.776
 13–16 woa 196c 222a 182d 211b 175d 205bc 204bc 4.25 0.023 0.985 0.052C 0.215 0.488
 0–16 woa 1,169 1,135 1,168 1,120 1,129 1,124 1,128 8.60 0.685 0.300 0.823 0.249 0.370
Feed intake, g/bird
 0–4 woa 448 463 444 456 465 449 450 4.67 0.648 0.930 0.367 0.484 0.552
 5–8 woa 1,279 1,287 1,242 1,245 1,271 1,287 1,247 17.85 0.708 0.241 0.935 0.430 0.386
 9–12 woa 1,451 1,432 1,448 1,439 1,404 1,456 1,440 7.91 0.699 0.825 0.753 0.853 0.457
 13–16 woa 1,608ab 1,589bc 1,594b 1,624a 1,498d 1,570c 1,565c 9.17 0.003 0.513 0.519 0.618 0.016
 0–16 woa 4,766 4,747 4,723 4,746 4,674 4,766 4,738 25.59 0.867 0.886 0.836 0.783 0.569
Feed conversion ratio, g/g
 0–4 woa 1.74 1.80 1.70 1.77 1.77 1.70 1.78 0.02 0.594 0.868 0.752 0.232 0.569
 5–8 woa 3.24 3.38 3.31 3.42 3.40 3.40 3.28 0.05 0.523 0.181 0.079C 0.768 0.071
 9–12 woa 5.07 4.89 4.99 4.70 4.80 4.83 4.79 0.04 0.228 0.041 0.015C 0.069 0.078
 13–16 woa 8.63 7.62 8.26 7.88 8.31 7.53 7.79 0.14 0.169 0.248 0.034C 0.021 0.322
 0–16 woa 4.08 4.16 4.21 4.25 4.21 4.26 4.20 0.04 0.932 0.251 0.599 0.363 0.311
Body weight uniformity (CV), %
 0–4 woa 4.93 4.39 4.90 5.57 4.13 4.14 5.52 0.22 0.498 0.367 0.321 0.552 0.107
 5–8 woa 3.76 4.48 3.06 5.37 4.79 4.80 5.49 0.24 0.052 0.208 0.018C 0.053 0.047C
 9–12 woa 5.98 5.12 4.50 5.19 4.85 4.97 5.28 0.27 0.859 0.344 0.276 0.534 0.311
 13–16 woa 4.24 3.00 3.91 4.95 5.46 5.03 5.71 0.29 0.179 0.344 0.123 0.228 0.711
 0–16 woa 4.73 4.81 5.38 4.54 4.60 3.54 4.80 0.16 0.068 0.990 0.228 0.514 0.113
1

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.

a–d

Within a row, LSmeans without a common superscript differ P < 0.05.