Barbieri, J. de M. et al. 2016. Effects and costs of a strategic selective treatment for controlling ecto - and hemoparasitosis in Holstein Friesian calves. Semina: Ciências Agrárias. 37, 5 (Oct. 2016), 3133–3146. DOI:https://doi.org/10.5433/1679-0359.2016v37n5p3133.