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. 2019 Dec 12;99(2):959–965. doi: 10.1016/j.psj.2019.10.032

Table 4.

Effects of replacing soybean meal with black soldier fly larvae meal (BSFLM) in diets fed to Shaver White layers (28-43 week of age) on egg quality characteristics.1

BSFLM inclusion, %, Yolk color Haugh units Shell breaking strength, kgf Shell thickness, mm
0 4.27c 65.3 4.69 0.436
10 4.85b 66.5 4.78 0.434
15 5.03a 66.3 4.87 0.438
SEM 0.046 1.325 0.068 0.002
Week of age
 31 5.04a 66.5 5.12a 0.433c
 35 4.82b 67.4 4.58c 0.438a,b
 39 4.29c 64.7 4.54c 0.432b,c
 43 4.72b 65.4 4.87b 0.441a
SEM 0.05 1.53 0.08 0.002
Probabilities
 BSFLM <0.001 0.596 <0.176 0.273
 Week <0.001 0.785 <0.001 0.034
BSFLM × week 0.561 0.328 0.782 0.684
Response to BSFLM inclusion
 Linear <0.001 0.506 <0.001 0.863
 Quadratic 0.993 0.266 0.129 0.028

a-cMeans assigned different letters within a factor of analysis (BSFLM, week) are significantly different, P < 0.05.