The introduction in 2009 of the biological passport, which uses baseline blood measurements to detect changes that might indicate banned substances, has made a big difference, they said. (nytimes.com)
Blood measurements found startling differences in the biochemistry of the sheep carrying the HD gene, compared to the normal sheep. (sciencedaily.com)
There's no examination of urine, stools or any other blood measurements that vets routinely use to assess health. (dogsnaturallymagazine.com)