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Authors discuss the mechanisms of competitive exclusion of pathogens to improve selection and application of probiotics in shrimp aquaculture. 

Due to the inherent complexities of field testing, definitive laboratory-based test methods can better quantify probiotic benefits. 

Evaluating the practical application of probiotics to manage pathogens that cause high mortality rates in shrimp farming around the world. 

Incorporating probiotics in reduced marine meal diets can improve aquafeed efficiency and resilience against the pathogen V. parahaemolyticus. 

Authors tested a commercial probiotic designed to lower stress prior to and during fish transport. Treatment at 10 ppm produced highest survival and growth. 

Probiotics can provide needed micronutrients that prime immune responses in larval fish, thus increasing their survival in culture. Probiotic dosing can be applied via immersion, microcosm approaches and enrichment of live and formulated feeds. 

Bacterial probiotics are living organisms utilized to improve disease resistance, water quality or nutrition and can be added to the culture water or the diet. 

E. faecium is a potential probiotic for Nile tilapia, showing improved growth rates, reduced mortality in a challenge with S. agalactiae. 

A microencapsulated probiotic supported beneficial strains of Bacillus and reduced harmful Vibrios, showing the potential to modulate shrimp gut microbiota. 

The addition of probiotic bacteria to marine larvae can reduce pathogenic bacteria and subsequent infection by establishing a protective flora on the mucosal surfaces of the larvae. 

The use of probiotics in aquaculture is steadily gaining momentum, supplementing or replacing the use of antimicrobial compounds in disease control. 

The application of probiotics, prebiotics and lipopolysaccharides has shown positive results with farmed shrimp, and is a very promising field, but more research is needed to clarify and foresee the molecular impact of these biological entities. 

This study evaluated the impact of feeding a commercial diet, top dressed with a commercial probiotic, to Pacific white shrimp in a biofloc-dominated tank system. 

This study showed that a longer inoculation of probiotics will improve shrimp postlarvae growth and survival, and that a new technique developed for more accurately estimating postlarvae weight can significantly reduce the food that must be supplied. 

To develop probiotics for marine shrimp, authors chose a bacterium with high growth velocity and great capacity to inhibit pathogens, among other traits. 

The authors evaluated Bacillus bacteria in a pink shrimp nursery and found it controlled Vibrio concentrations as well as a commercial probiotic. 

The use of probiotic bacteria and immunostimulants are promising yet controversial methods to prevent and manage infectious shrimp diseases. 

Probiotics are naturally occurring microbes in cultured animals or their environments that compete with bacterial path­o­gens to favorably alter the rearing environment and improve an­imal health. The success of a pro­biotic strain depends not only upon its stated and actual performance, but also its safety to the target organism, humans, and the surrounding environment.