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Table 4 Effects of dietary treatments on serum biochemical parameters of laying hens at 36 and 52 weeks of age

From: Performance, biochemical and haematological responses, and relative organ weights of laying hens fed diets supplemented with prebiotic, probiotic and synbiotic

Serum biochemical parameters

Hen age (weeks)

36 weeks of age

36 weeks of age

Control

PRE

PRO

SYN

Control

PRE

PRO

SYN

Total cholesterol (mmol/L)

3.72 ± 0.35a

3.11 ± 0.22b

2.87 ± 0.44b

2.92 ± 0.40b

2.80 ± 0.55

2.39 ± 0.28

2.69 ± 0.33

2.46 ± 0.10

LDL (mmol/L)

0.13 ± 0.05a

0.08 ± 0.02b

0.07 ± 0.04b

0.06 ± 0.02b

0.09 ± 0.03a

0.06 ± 0.01b

0.04 ± 0.01b

0.05 ± 0.01b

HDL (mmol/L)

0.21 ± 0.04

0.24 ± 0.04

0.25 ± 0.03

0.26 ± 0.05

0.26 ± 0.06

0.29 ± 0.04

0.31 ± 0.05

0.38 ± 0.04

Triglyceride (mmol/L)

14.15 ± 3.67

13.95 ± 2.12

12.49 ± 3.38

13.51 ± 1.65

14.54 ± 3.33

12.83 ± 2.38

14.17 ± 2.23

12.73 ± 0.97

ALT (U/L)

25.21 ± 7.77a

8.34 ± 1.58b

5.19 ± 0.69b

4.05 ± 1.32b

12.38 ± 3.18a

9.81 ± 2.11b

6.55 ± 0.93b

8.39 ± 1.12b

ALP (U/L)

407.79 ± 42.31a

285.58 ± 31.91bc

213.88 ± 24.07c

314.34 ± 32.86b

288.74 ± 39.80a

207.46 ± 34.75b

215.14 ± 22.34b

211.50 ± 21.52b

AST (U/L)

272.98 ± 31.03

238.20 ± 11.42

240.63 ± 24.07

249.00 ± 34.17

245.80 ± 12.74

244.95 ± 11.84

233.85 ± 17.18

242.48 ± 10.86

GGT (U/L)

39.25 ± 4.65

27.50 ± 9.78

27.50 ± 2.87

28.50 ± 3.87

18.75 ± 3.78

16.17 ± 4.01

15.75 ± 4.09

18.17 ± 1.85

CK (U/L)

4524.50 ± 505.30

4088.00 ± 526.83

3992.50 ± 700.14

4263.00 ± 737.99

4504.50 ± 595.81

3979.50 ± 425.55

4080.00 ± 639.79

3983.25 ± 350.15

Total protein (g/L)

58.20 ± 1.54

61.16 ± 2.95

57.68 ± 2.33

57.90 ± 3.64

50.76 ± 4.91

49.00 ± 3.48

49.33 ± 4.13

46.06 ± 1.01

Uric acid (μmol/L)

196.40 ± 27.13

193.64 ± 12.09

198.50 ± 17.84

190.67 ± 13.37

255.70 ± 11.90

209.78 ± 27.72

221.45 ± 14.73

244.93 ± 13.09

Ca (mmol/L)

5.93 ± 0.52

6.41 ± 0.12

6.17 ± 0.35

6.39 ± 0.26

4.37 ± 0.43

4.61 ± 0.25

4.56 ± 0.13

4.69 ± 0.20

P (mmol/L)

1.70 ± 0.26

1.86 ± 0.15

1.59 ± 0.16

1.70 ± 0.11

1.55 ± 0.19

1.73 ± 0.22

1.77 ± 0.20

1.74 ± 0.19

Na (mmol/L)

157.75 ± 1.06

160.36 ± 1.16

160.20 ± 3.95

157.19 ± 1.05

152.17 ± 1.05

156.79 ± 1.95

155.16 ± 0.40

155.34 ± 1.08

K (mmol/L)

4.85 ± 0.29

4.70 ± 0.26

4.45 ± 0.17

4.83 ± 0.53

5.00 ± 0.48

4.68 ± 0.29

5.00 ± 0.66

5.35 ± 0.38

Cl (mmol/L)

121.11 ± 1.91

123.00 ± 1.00

123.37 ± 4.62

121.78 ± 1.56

114.24 ± 2.16

119.02 ± 0.99

118.78 ± 0.50

116.13 ± 0.96

Glucose (mmol/L)

12.15 ± 0.62

12.13 ± 0.29

11.93 ± 0.29

12.30 ± 0.52

10.61 ± 0.49

11.19 ± 0.64

11.02 ± 0.38

11.14 ± 0.21

  1. LDL low-density lipoprotein cholesterol, HDL high-density lipoprotein cholesterol, ALT alanine aminotransferase, ALP alkaline phosphatase, AST aspartate aminotransferase, GGT gamma-glutamyl transpeptidase, CK creatinine kinase, Ca calcium, P phosphorus, Na sodium, K potassium, Cl chloride
  2. Data represent mean ± SD of four replicates of three hens each
  3. a-c Means within a row at a particular age with different superscripts differ significantly (P < 0.05)
  4. Control, basal diet; PRE, basal diet +1% IMO; PRO, basal diet +0.1% PrimaLac®; SYN, basal diet +1% IMO + 0.1% PrimaLac®