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Table 1 Number and distribution of herds, cows, and trimming records according to herd classifications of incidence rates of energy related postpartum diseases

From: Relationship between herd-level incidence rate of energy-related postpartum diseases, general risk factors and claw lesions in individual dairy cows recorded at maintenance claw trimming

 

High

Inconsistent-high

Low

 

n

Mean1

S.D.2

Range

n

Mean

S.D.

Range

n

Mean

S.D.

Range

Herds

11

-

 

-

11

-

 

-

4

-

 

-

Cows

1530

139

88

49-283

1713

156

125

61-437

364

91

67

36-175

Trimmings

2845

1.9

1.3

1-7

3451

2.0

1.1

1-6

477

1.3

0.5

1-2

  1. 1Mean n per unit at next-higher level.
  2. 2Standard deviation.