Pre-treatment

Treatment

Post-treatment

SEM

P

12 h

24 h

36 h

48 h

Period

Animal

Plasma glucose, mmol/L

2.83

2.90

-

-

-

-

0.25

0.87

0.57

Plasma insulin, μ IU/ml

15.26 A

67.60B

-

-

-

-

2.02

<0.01

0.10

Milk yield, g/12 h

263.19

273.57

253.03

265.10

282.03

273.30

17.54

0.47

<0.01

Milk fat, %

3.99 A

2.58D

2.72CD

3.20BCD

3.33ABC

3.467AB

0.36

<0.01

0.15

g/12 h

10.55 A

7.00 C

6.92 C

8.46BC

9.19AB

9.44AB

0.87

<0.01

<0.01

Milk protein, %

3.86 A

3.27B

3.28B

3.40B

3.47B

3.48B

0.13

<0.01

<0.001

g/12 h

10.15 a

8.97ab

8.33b

9.09ab

9.76ab

9.51ab

0.74

0.13

<0.01

Lactose %

4.20

4.09

4.27

4.31

4.28

4.25

0.21

0.83

0.06

g/12 h

11.07

11.14

10.80

11.46

12.04

11.64

0.97

0.68

<0.01

SNF, %

9.16

8.51

8.69

8.85

8.90

8.94

0.29

0.22

<0.001

g/12 h

24.10

23.23

22.01

23.57

25.01

24.46

1.84

0.47

<0.01