Santos-Júnior N L, Pinto-Neto A, Skonieki F, Mota M F, Martinez A C, Merlini L S and Berber R C A 2016: Productive and reproductive profile of dairy farms from Realeza, Paraná, Brazil. Livestock Research for Rural Development. Volume 28, Article #165. Retrieved , from http://www.lrrd.org/lrrd28/9/sant28165.html