Application of red onion (Allium ascalonicum) and turmeric (Curcuma longa) rhizome extract in feed of black tiger shrimp (Penaeus monodon) and white leg shrimp (Litopenaeus vannamei) aquaculture

Red onion (Allium ascalonicum) bulb and turmeric (Curcuma longa) rhizome are important crops with high economic value. The present research aimed to evaluate the application of red onion (Allium ascalonicum) extract (6, 9, 12, 15, 18 g/kg diet) combined with turmeric (Curcuma longa) rhizome extract (2, 4, 6, 8, 10 g/kg diet) in a basal diet on growth performance, survival rate and feed utilization of black tiger shrimp (Penaeus monodon) and white leg shrimp (Litopenaeus vannamei). A total of...