Table 2 Effect of different diets on milk production performance in dairy cows

Dry matter intake (kg/d)

20.33 ± 2.23^a

18.52 ± 0.97^b

0.022

Milk yield (kg/d)

21.75 ± 3.89^B

16.84 ± 4.60^C

<0.001

4% fat corrected milk (kg/d)

20.38 ± 3.72^B

16.74 ± 5.00^C

<0.001

Milk fat content (%)

3.58 ± 0.42^b

3.95 ± 0.52^b

<0.001

Milk protein content (%)

3.07 ± 0.22^b

3.04 ± 0.13^b

0.012

Milk fat yield (kg/d)

0.78 ± 0.16^b

0.67 ± 0.22^c

<0.001

Milk protein yield (kg/d)

0.66 ± 0.11^B

0.51 ± 0.14^C

<0.001

Milk synthesis efficiency (g/g)

1.08 ± 0.16^ab

0.98 ± 0.22^b

0.019

4% fat corrected milk synthesis efficiency (g/g)

1.01 ± 0.14^b

0.95 ± 0.25^b

0.011

Milk fat synthesis efficiency (%)

3.83 ± 0.58^b

3.74 ± 1.16^b

0.016

Milk protein synthesis efficiency (%)

3.30 ± 0.38^ab

2.94 ± 0.67^b

0.001