This work, recently issued in Frontiers in Veterinary Science, underlines the importance of targeting the best tissue for assessing biomarkers of Oxidative Stress in vertebrates. Comparisons of the same battery of BOS among tissues of the same individual are scarce in the literature and the chosen target
tissues regularly still rely on arbitrary decisions. If you want to see more, have a look at this

 

Tissue-specific assessment of oxidative status. wild boar as a case study