Hock lesion and hygiene score by stall bed type in commercial U'S' dairy cows - PowerPoint PPT Presentation

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Hock lesion and hygiene score by stall bed type in commercial U'S' dairy cows

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Hock lesion and hygiene score by stall bed type in commercial U.S. dairy cows ... 2000 J Dairy Sci 83:697-702. Score 1 Score 2. Hair loss. Swelling. Score 3. Severe ... – PowerPoint PPT presentation

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Title: Hock lesion and hygiene score by stall bed type in commercial U'S' dairy cows


1
Hock lesion and hygiene score by stall bed
type in commercial U.S. dairy cows
  • W Fulwider, T Grandin, D Lamm, N Dalsted, D
    Garrick, B Rollin
  • Department of Animal Sciences
  • Colorado State University

2
Hygiene and leg condition
  • Determine
  • Lesion incidence
  • Severity
  • Hygiene level
  • Bed types
  • Compost pack
  • Rubber-filled mattress
  • Sand stall
  • Waterbed

3
Cows analyzed
  • 112 Dairies
  • 90,162 Cows
  • 46 WI
  • 37 MN
  • 15 NY
  • 9 IA
  • 5 IN

4
Compost pack
5
Rubber-filled mattress
6
Sand stall
7
Waterbed
8
Statistics
  • Differences in hygiene and lesion percentages
    between bed types
  • a one-way analysis of variance by hygiene level
    / lesion severity
  • and overall

9
Hygiene scores
University of MN Extension Minnesota Dairy
Initiatives Dairy Diagnostics Toolbox Cow
Cleanliness Scorecard
10
Hock scores
Hock Lesions and Free-stall Design D.M. Weary and
I. Taszkun1 2000 J Dairy Sci 83697-702
11
Score 1 Score 2
Hair loss
Swelling
12
Score 3
Severe
13
Hygiene score 2, 3, and 4
a
a
Percent of cows
b
a
b
b
b
a
b
ab P lt.0001
Hygiene score
14
Percent of cows with lesions
a
Percent of cows
b
b
a
b
b
a
b
b

ab P lt.0001 ab P lt.0005
15
a
a
a
b
b
b
P lt0.01
16
a
b
a
b
a
b
P lt 0.03
17
a
b
a
b
b
a
18
a
b
P lt.0001
19
a
b
P lt.0001
20
Hygiene study take-home
  • Cows on rubber-filled mattresses or waterbeds
  • better hygiene than sand cows
  • Sand stall cows
  • more manure spatter on legs

21
Hock study take-home
  • Cows on mattresses
  • more lesions
  • more severe lesions
  • Cows on sand and waterbeds
  • no difference for hock lesions
  • Cows on compost pack
  • no lesions

2 of cows on mattresses
22
Thank you!
  • Dr. Grandin
  • Dean Throndsen
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