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Table 3 Number of diseased cows and clinical cases, and the days of life lost to illness (DLI)

From: A comparison of a novel time-based summary measure of dairy cow health against cumulative disease frequency

 

Dairy 1

Dairy 2

Dairy 3

DISEASE

# Diseased

Cases

DLI1 (d)

# Diseased

Cases

DLI1 (d)

# Diseased

Cases

DLI1 (d)

Calving trauma

0

0

0

0

0

0

0

0

0

Diarrhea

65

67

54

122

136

109

45

45

36

Ketosis

128

128

128

107

107

107

7

7

7

Lame (hoof only)

481

614

1535

836

1210

3025

784

1178

2945

LDA

100

100

180

66

66

119

94

94

169

Mastitis

821

1160

2900

588

783

1958

674

1025

2563

Metritis

471

483

966

328

338

676

379

421

842

Milk Fever

50

50

25

22

22

11

40

40

20

Musculoskeletal injury*

0

0

0

0

0

0

0

0

0

Pneumonia

166

166

398

125

125

300

63

63

151

Retained Placenta

194

194

155

215

215

172

236

239

191

  1. *leg, hip, back
  2. 1DLI = I x DW x L where I refers to the number of incident cases for a given disease state, DW the disability weight, and L the average duration of a clinical disease problem