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

Table 5

Effect of nonindustrial hemp seed incorporation in the diet of laying hens on yolk color measurement during the experimental period.

Parameters

Treatments

Control

HS-10

HS-20

HS-30

W-28

W-32

W-36

W-28

W-32

W-36

W-28

W-32

W-36

W-28

W-32

W-36

Lightness ()

57.09^c ± 1.07

54.99^ab ± 1.10

53.35^a ± 1.30

56.15^b ± 0.91

55.34^ab ± 0.68

53.67^ab ± 1.82

54.18^ab ± 1.03

54.28^ab ± 1.19

53.27^a ± 2.13

54.38^ab ± 1.21

55.29^b ± 1.05

53.88^ab ± 1.54

Redness ()

−4.48^cd ± 0.99

−4.32 ^cd ± 0.66

−4.13^d ± 0.25

−4.36^cd ± 0.63

−4.84^c ± 0.27

−3.87^d ± 0.54

−6.19^ab ± 0.14

−5.97^ab ± 0.16

−3.89^d ± 0.65

−6.38^a ± 0.09

−5.77^b ± 0.09

−6.33^ab ± 0.10

Yellowness ()

37.89^e ± 4.36

39.59^ef ± 2.72

38.63^ef ± 2.27

41.70^f ± 3.43

34.35^d ± 2.15

40.06^ef ± 2.13

28.77^c ± 1.68

19.98^b ± 1.75

37.75^e ± 2.98

15.12^a ± 0.86

13.26^a ± 0.94

26.29^c ± 2.77

Hue angle ()

97.07^ab ± 2.16

96.38^a ± 1.50

96.25^a ± 0.64

96.09^a ± 1.29

98.11^b ± 0.81

95.59^b ± 1.01

102.39^c ± 0.83

107.30^e ± 1.41

96.01^a ± 1.03

112.97^f ± 0.94

113.75^e ± 1.08

104.00^d ± 1.86

Chromaticity ()

38.20^e ± 4.23

39.84^ef ± 2.62

38.87^ef ± 2.24

41.94^f ± 3.36

34.70^c ± 2.12

40.26^ef ± 2.08

29.45^c ± 1.64

20.89^b ± 1.69

37.96^e ± 2.96

16.42^a ± 0.83

14.47^a ± 0.90

27.06^c ± 2.66

W-28: Week 28; W-32: Week 32; W-36: Week 36; HS-10%: hemp seed 10%; HS-20%: hemp seed 20%; HS-30%: hemp seed 30%. %. Mean ± standard deviation. Significant differences ( < 0.05) between means are shown with different lowercase letters (a–f).