ADSA-ASAS-CSAS JOINT MEETING 2005 (
4
)
A. H. Sanders
2004
2005
Distribution of TC
Annual Percentage of Cows in Milk
26
25
25
25
26
27
26
26
24
Percentage
cows with
TC 3-7
40,849
1000
791
1105
1443
3836
16,578
13,893
2203
Herd-
years
(no.)
Percentage of culled cows coded with TC
15
12
35
15
23
≥500
17
11
37
20
13
All
15
15
37
16
17
300-499
15
15
36
19
15
200-299
17
14
33
21
16
150-199
17
13
34
21
15
100-149
17
11
38
21
13
50-99
18
10
38
21
12
25-49
14
12
32
18
12
<25
mastitis/SCC
died
unspecified
reproduction
production
7
6
5
4
3
Herd
size