Vibrio harveyi infection was an obstacle in shrimp culture. Meanwhile, the use of antibiotics disease control no longer effective, so immunostimulants such as meniran leaves safest alternative. The purpose this study to determine effect adding different doses leaf extract (Phyllanthus niruri L.) feed on immune system vannamei (Litopenaeus vannamei) which challenged with harveyi. This research e...

This study was conducted to investigate the use of fresh and heat-treated roselle meals on growth, body colouration, survival against Vibrio harveyi infection whiteleg shrimp, Litopenaeus vannamei. Fresh (FR) or (HR) were added at 10% in isoproteic (38%) isolipidic (7%) diets. A control diet prepared without any addition meal. These diets fed shrimp (initial weight 1.26g±0.02g) triplicate group...