“…Marine actinomycetes are among those promising candidates by virtue of their ability to produce a wide variety of antibiotics and extracellular enzymes (Barka et al, ; Prakash et al, ). In fact, some studies have shown that marine strains of the genus Streptomyces increased growth, survival and resistance to disease in the shrimp Penaeus monodon (Augustine, Jacob, & Philip, ; Das, Lyla, & Ajmal Khan, ; Das, Ward, & Burke, ).…”