Skip to main content

Table 3 Total blood samples collected from 2423 sheep in 18 flocks in Wyoming, USA

From: Seroprevalence and risk factors of Brucella ovis in domestic sheep in Wyoming, USA

Flock Total number of sheep Number of blood samples Required sample size Total samples
Rams Ewes Rams Ewes
1 50 1600 23 N/A 38 23
2 75 2300 50 196 142 246
3 10 35 10 N/A 10 10
4 210 6000 185 157 148 342
5 15 120 9 16 72 25
6 40 1000 40 N/A 32 40
7 105 2500 90 144 143 234
8 12 400 9 N/A 12 9
9 400 8000 393 64 149 457
10 100 2000 66 N/A 61 66
11 202 6000 202 N/A 87 202
12 55 2100 55 N/A 41 55
13 25 80 15 20 62 35
14 70 730 67 69 128 136
15 35 950 32 92 135 124
16 250 9500 187 188 149 375
17 50 1250 35 N/A 38 35
18 NA NA 9 N/A NA 9
Total    1477 946 1447 2423
  1. N/A indicates information and/or samples were not available