Antagonisme Bakteri Heterotrofik Yang Diisolasi Dari Muara Sungai Siak Dan Ka…

Heterotrophic bacteria is bacteria that use organic substances as its nutrition sources. Organic substances are obtained from the rest of other organisms, waste or substances contained in the body of other organisms. This study aims to determine the activity of heterotrophic bacteria against pathogenic bacteria (Vibrio alginolyticus, Aeromonas hydrophila and Pseudomonas sp.). Total amount of ba…