Impact of Cannabis Seed Incorporation in Layer Diet on Productive Performance and Egg Quality Traits

Table 6

Analysis of variance for the effect of nonindustrial hemp seed incorporation in the diet of laying hens on zootechnical performance, physical egg quality, and yolk color measurement during the experimental period.

	df	Mean squares	F-value	value
Egg production (%)
Dose	3	936.21	27.08	<0.001
Period	3	158.07	4.57	<0.01
Dose × period	6	68.09	1.97	>0.05
Error	59	34.56
Egg weight (%)
Dose	3	74.15	14.63	<0.001
Period	3	134.78	26.69	<0.001
Dose × period	6	27.23	5.93	<0.001
Error	59	5.05
Feed intake (g/hen)
Dose	3	31.74	1.45	>0.05
Period	3	8978.80	411.46	<0.001
Dose × period	6	48.06	2.20	>0.05
Error	59	21.82
Feed conversion
Dose	3	0.08	14.85	<0.001
Period	3	0.14	26.72	<0.001
Dose × period	6	0.03	5.63	<0.001
Error	59	0.006
Yolk weight (%)
Dose	3	16.91	49.20	<0.001
Period	3	18.20	59.95	<0.001
Dose × period	6	2.18	6.36	<0.001
Error	59	0.34
Albumen weight (%)
Dose	3	14.21	3.99	<0.05
Period	3	37.83	10.64	<0.001
Dose × period	6	12.27	3.45	<0.01
Error	59	3.55
Haugh unit
Dose	3	179.75	7.16	<0.001
Period	3	256.05	10.20	<0.001
Dose × period	6	22.31	0.89	>0.05
Error	59	25.08
Yolk index
Dose	3	0.005	15.97	<0.001
Period	3	18.200	52.95	<0.001
Dose × period	6	0.001	3.15	<0.05
Error	59	0.000
Shell thickness, mm
Dose	3	0.002	5.93	<0.01
Period	3	0.010	39.23	<0.001
Dose × period	6	0.002	4.76	0.001
Error	59	0.000
Lightness ()
Dose	3	4.63	2.67	>0.05
Period	3	11.57	6.68	<0.01
Dose × period	6	3.81	2.20	>0.05
Error	59	1.73
Redness ()
Dose	3	13.63	57.50	<0.001
Period	3	2.98	12.57	<0.001
Dose × period	6	2.51	10.62	<0.001
Error	59
Yellowness ()
Dose	3	1656.45	254.92	<0.001
Period	3	445.12	68.50	<0.001
Dose × period	6	128.58	19.78	<0.001
Error	59	6.49
Hue angle ()
Dose	3	718.61	426.76	<0.001
Period	3	181.51	107.79	<0.001
Dose × period	6	52.06	30.92	<0.001
Error	59	1.68
Chromaticity ()
Dose	3	1526.46	247.17	<0.001
Period	3	415.85	67.33	<0.001
Dose × period	6	119.62	19.37	<0.001
Error	59	6.17