Evidence of vertical transmission and tissue tropism ofStreptococcosis from n…

Streptococcosis is a highly problematic disease in the aquaculture of freshwater fishes, especially fortilapia. The possibility of vertical transmission of streptococcosis and the pattern of tissue tropism of thispathogen in various organs was examined in red tilapia (Oreochromis sp.). Healthy broodstock withoutany clinical signs of Streptococcus spp. were selected from a farm earlier reported …