Item

Control

Test

SEM

P Value

High Production Pens

Milk, Kg

43.4

44.9

0.709

0.136

Change in milk, Kg

−3.84

−2.26

0.508

0.001

Medium Production Pens

Milk, Kg

37.9

40.0

0.648

0.001

Change in milk, Kg

−3.47

−1.34

0.424

0.015

Feed Efficiency

Milk/Feed

1.51

1.59

0.023

0.040