Physical and chemical water parameters and Streptococcus spp. occurrence in intensive tilapia farming in the State of Espírito Santo, Brazil - doi: 10.4025/actascibiolsci.v35i1.11797. Acta Sci. Biol. Sci. 2012;35(1):29-35. doi:10.4025/actascibiolsci.v35i1.11797