Table 6.

Effects of inclusion of black soldier fly larva meal (BSFLM) in corn–soybean meal diet fed to laying pullets (19 to 27 wk of age) on egg quality characteristics.¹

	Individual egg weight		Haugh units		Yolk color		Shell breaking strength		Shell thickness
Item	Mean (g)	CV (%)	Mean (mm)	CV (%)	Mean	CV (%)	Mean (kgf)	CV (%)	Mean (mm)	CV (%)
Main effects of BSFLM inclusion (%)
0.0	53.7	7.92a	64.6	19.1	4.32b	20.5	4.70b	15.0	0.404b	11.2
5.0	52.3	5.15b	67.0	19.9	4.68a	11.7	5.23a	14.7	0.427a	9.11
7.5	53.0	5.08b	68.1	21.8	4.83a	11.3	4.95b	13.7	0.431a	7.57
SEM	0.40	0.916	2.02	2.43	0.091	3.61	0.083	1.69	0.006	1.620
Main effects of age (wk)
22	50.2c	5.80	58.9b	24.7a	4.22b	23.4a	5.10a	16.2	0.406b	11.8
24	53.2b	6.33	72.7a	16.1b	4.87a	10.4b	5.02a,b	14.2	0.434a	7.98
26	55.6a	6.01	68.1a	20.1a,b	4.73a	9.63b	4.75b	13.1	0.421a,b	8.10
SEM	0.40	0.915	2.02	2.43	0.091	3.62	0.082	1.69	0.006	1.620
Probabilities
BSFLM	0.070	0.053	0.464	0.737	<0.01	0.136	<0.01	0.857	0.003	0.294
Week	<0.01	0.916	<0.01	0.053	<0.01	0.015	0.010	0.417	0.005	0.179
BSFLM*wk	0.133	0.441	0.893	0.825	0.191	0.595	0.038	0.283	0.047	0.255
Response to BSFLM inclusion
Linear	0.123	0.021	0.218	0.482	<0.01	0.057	0.007	0.616	<0.01	0.122
Quadratic	0.081	0.448	0.978	0.742	0.858	0.557	<0.01	0.813	0.515	0.870

Note: Means assigned different letters (a, b) within a factor of analysis (BSFLM, wk) are significantly different, P < 0.05.