Table 1 Blood Se concentration, mean with standard deviation (SD) of herd samples from heifers and dry period cows in different counties of Norway.
From: Blood Selenium Associated with Health and Fertility in Norwegian Dairy Herds
Region | Number of herds | Average herd size, cow-years number | Blood Se, μg Se/g blood ± SD |
|---|---|---|---|
Hedmark | 55 | 26.3 | 0.12 ± 0.05 |
Oppland | 81 | 19.0 | 0.08 ± 0.03 |
Rogaland | 96 | 24.3 | 0.10 ± 0.05 |
Trøndelag | 22 | 16.8 | 0.06 ± 0.03 |
Total | 254 | 22.4 | 0.09 ± 0.05 |