Table 5 Effect of four successive weeks supplementation of Lactulose (Vetelact) on Blood Biochemical Components (mean ± SE) in layer chickens

Metabolites. mmol/L

 Glucose

12.22 ± 0.48

12.42 ± 0.27

12.07 ± 0.17

12.35 ± 0.22

0.386

 Creatinine

< 9.00 ± 0.00

< 9.00 ± 0.00

< 9.00 ± 0.00

< 9.00 ± 0.00

 Urea

< 0.60 ± 0.00

< 0.60 ± 0.00

< 0.60 ± 0.00

< 0.60 ± 0.00

 Cholesterol

2.59 ± 0.10 ^ab

2.67 ± 0.27 ^ab

2.87 ± 0.20 ^a

2.22 ± 0.06 ^b

0.040

 TBIL

15.00 ± 0.50 ^a

11.33 ± 0.73 ^b

11.33 ± 1.36 ^b

12.00 ± 0.58 ^b

0.014

Proteins. g/L

 TP

62.00 ± 1.32^a

57.67 ± 1.42^b

56.67 ± 0.60^bc

54.33 ± 0.60^c

0.001

 Albumin

20.33 ± 0.33

19.67 ± 0.17

19.67 ± 0.44

19.33 ± 0.44

0.281

 Globulin

42.00 ± 1.32^a

38.00 ± 1.26^b

37.00 ± 0.29^b

35.33 ± 0.17^b

0.001

 ALB/GLOB

0.47 ± 0.02^b

0.53 ± 0.02^a

0.50 ± 0.00^ab

0.53 ± 0.02^a

0.007

Minerals. mmol/L

 Phosphorus

2.08 ± 0.14^b

2.08 ± 0.15^b

2.98 ± 0.08^a

2.61 ± 0.25^a

0.001

 Calcium

> 4.00 ± 0.00

> 4.00 ± 0.00

> 4.00 ± 0.00

> 4.00 ± 0.00

Enzymes. U/L

 ALT

< 10.00 ± 0.00

< 10.00 ± 0.00

< 10.00 ± 0.00

< 10.00 ± 0.00

 ALKP

114.33 ± 14.86^b

186.00 ± 30.09^a

224.67 ± 5.53^a

199.67 ± 20.42^a

0.003

 GGT

35.00 ± 2.75^ab

33.00 ± 1.61^ab

30.33 ± 2.17^b

37.67 ± 2.19^a

0.140

 Amylase

211.67 ± 12.72

233.67 ± 14.82

237.67 ± 8.84

213.67 ± 7.50

0.258

 Lipase

69.67 ± 4.44^c

107.00 ± 2.65^a

86.33 ± 1.67^b

90.67 ± 9.59^b

0.001