Rodrigues, Albério Lopes, et al. “Environment Influence in First Milking Upon Production, Composition, Somatic Cell Count and Hormones on Cows in System Created Biodynamic”. Brazilian Journal of Veterinary Medicine, vol. 36, no. 2, June 2014, pp. 174-82, https://bjvm.org.br/BJVM/article/view/502.