Selection of probiotics by various inhibition test methods for use in the culture of western king prawns, Penaeus latisulcatus (Kishinouye)

Hai, Ngo Van; Fotedar, Ravi; Buller, Nicky

doi:10.1016/j.aquaculture.2007.07.223

Cited by 46 publications

(41 citation statements)

References 25 publications

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“…(Verschuere et al 2000b), Pseudomonas spp. (Chythanya et al 2002;Alavandi et al 2004;Vijayan et al 2006;Hai et al 2007;2009;Pai et al 2010), Halomonas sp. ) and Alteromonas sp.…”

Section: Main Microorganisms Evaluated and Used As Probiotics In Crusunclassified

“…They concluded that Pseudomonas I-2 strain could be used as a biocontrol agent in shrimp hatcheries and farms. More recently, Hai et al (2007) also Pseudomonas synxantha and Ps. aeruginosa strains for use in the culture of western king prawns (Penaeus latisulcatus).…”

Section: Gram-negative Bacteriamentioning

confidence: 99%

“…This can be explained by the fact that the preliminary screening processes of probiotics often rely on antagonism assays towards pathogenic bacteria (Vershuere et al 2000a). The methods used in such studies are based on the capacity of the bacteria to produce some extracellular substances that inhibit other bacterial strains, as recently detailed by Hai et al (2007). Rengpipat et al (1998) selected a Bacillus S11 strain, from over 350 isolates from samples of mud, water and black tiger shrimp, based on its high antimicrobial performance against pathogenic V. harveyi and V. parahaemolyticus.…”

Section: Production Of Inhibitory Substancesmentioning

confidence: 99%

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Probiotic Applications in Crustaceans

Castex

Daniels

Chim

2014

Aquaculture Nutrition

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Crustacean aquaculture, and more specifically shrimp culture, faces several challenges in order to increase production yield while maintaining sustainability. The various disease outbreaks that have been continuously affecting the sector for almost two decades, together with the increasing demand for environmentally friendly aquaculture and the pressure from customers for safe and traceable products, are fundamentally modifying the culture practices of shrimp and other crustacean species. It is today well accepted that these challenges can only be faced through the development of better management practices together with technical innovations. Among the solutions currently considered, those relying on nutrition and intestinal health management can play a critical role. The application of probiotics in aquaculture has been developed in this context and is now widely applied in crustacean aquaculture as a complementary tool for management of disease. This development is mostly driven by practical and empirical approaches in shrimp farming; however, specific in-depth studies related to the biological effects and mechanisms of action of probiotics in crustaceans are gaining more importance. This chapter presents a review of the research conducted on probiotic applications in crustacean species with special emphasis on the modes of action investigated so far and the main benefits derived from it. The limits and future perspectives are also addressed.

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“…(Verschuere et al 2000b), Pseudomonas spp. (Chythanya et al 2002;Alavandi et al 2004;Vijayan et al 2006;Hai et al 2007;2009;Pai et al 2010), Halomonas sp. ) and Alteromonas sp.…”

Section: Main Microorganisms Evaluated and Used As Probiotics In Crusunclassified

Section: Gram-negative Bacteriamentioning

confidence: 99%

Section: Production Of Inhibitory Substancesmentioning

confidence: 99%

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Probiotic Applications in Crustaceans

Castex

Daniels

Chim

2014

Aquaculture Nutrition

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“…In brief, the strains were cultured on the MA medium for 12 h and the bacterial suspension of 10 7 (CFU/ml) was prepared using sterilized seawater based on the method represented by Hai et al (2007). The sediment degradation medium (BD) was prepared by boiling the EM for 30 min, settling for 48 h, and filtering through eight layers of gauze.…”

Section: Re-screening Of Potential Probioticsmentioning

confidence: 99%

Screening and identification of organics-degrading bacteria from the sediment of sea cucumber Apostichopus japonicus ponds

Zhang

Liu

et al. 2015

Aquacult Int

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The organics-degrading bacteria were isolated from sea cucumber (Apostichopus japonicus) outdoor rearing ponds sediment. The bacterial strains were selected according to the isolation growth, pathogenicity, organic degradation rate, and effects on A. japonicus growth and water quality. The screened strains were identified on physiological, biochemical, and genetic characteristics. Among 68 strains isolated, two strains (L15 and E4) were identified as potential organics-degrading probiotics. The degradation rates on sediment chemical oxygen demand (COD) were 46.95 ± 1.58 % for the L15 strain and 44.31 ± 1.44 % for the E4 strain. The L15 strain enhanced the specific growth rate (SGR) of A. japonicus by 1.97 ± 0.49 %, and the E4 strain enhanced SGR by 2.24 ± 0.44 % compared with the SGR of 0.55 ± 0.41 % in the control group without probiotics. The COD level increased by -0.9 ± 1.42 % of L15 and 47.9 ± 0.06 % of E4 inoculations after 7 days, while the COD increased by 140.6 ± 4.22 % in the control. Based on the analyses of biochemical characteristics and 16S rRNA gene sequences, the L15 and E4 strains were identified as Bacillus spp. and Pseudomonas spp., respectively.

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“…Evidence exists, however, that probiotics isolated from host gut or their environment are more likely to outperform commercial products because they are more likely to colonise the host gut and effectively compete with pathogens 6,12 . The first stage of screening potential probiotics usually occurs in vitro and seeks to measure antagonism against pathogens of interest using methods including well diffusion, cross streaking and disc diffusion and the co-culture method 3,13 . These methods can also be used to test antagonism of putative probiotics against pathogens of interest.…”

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confidence: 99%

Testing the efficacy of probiotics for disease control in aquaculture

Partridge

2016

Microbiol. Aust.

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Infectious diseases have been estimated to cost the global aquaculture industry billions of dollars annually 1,2 . With concerns over emerging resistance and residues of antibiotics in food 3 many such chemicals are now being banned and environmentally friendly alternatives are being sought.Probiotics influence the composition of the gut microbiota and confer health benefits to their host 4,5 and are one of several alternative approaches gaining significant popularity in aquaculture. Whilst primarily used to manage bacterial disease, there is also some evidence that probiotics can provide protection against parasites 4 and viruses 6 . Probiotics can inhibit the growth of pathogens in the gut through the excretion of antagonistic substances including bacterocins 6,7 ; prevent pathogen adhesion in the gut through competition of space and nutrients 3 and by modulating the immune system 5 . Some probiotics have been reported to improve growth and feed utilisation efficiency 5 and others can also improve water quality 2,8,9 , which confers indirect benefits to host health 6 .It has been estimated that 50 000 tonnes of probiotics are used annually in the aquaculture industry 10 yet analysis of the literature reveals a great deal of equivocal data on their efficacy. This is likely due, at least in part, to the wide diversity of both hosts and probiotic species within this industry and the fact that probiotic efficacy against particular pathogens is often both host specific and probiotic strain specific 5 . These factors demonstrate the need for testing to ensure probiotics are fit for purpose. Aquaculture species span many phyla and their probionts are far more diverse than the typical lactic acid bacteria (LABS) used in terrestrial animals 6 and which do not dominate in the normal gut flora of aquatic animals 2 .The diversity of probiotics used in aquaculture is highlighted by Newaj-Fyzul et al. who reviewed 18 genera of Gram-negative and 19 genera of Gram-positive bacteria that have been used in aquaculture 4 . This diversity reflects that of the aquatic habits where aquaculture species live and closely interact with these microbes 3,7 .Despite this diversity, Bacillus subtilis and B. licheniformis remain the most commonly used commercial probiotics in aquaculture 5 , due to their spore forming nature and subsequent proclivity for long term storage and stability in formulated feeds 6,11 . Evidence exists, however, that probiotics isolated from host gut or their environment are more likely to outperform commercial products because they are more likely to colonise the host gut and effectively compete with pathogens 6,12 . The first stage of screening potential probiotics usually occurs in vitro and seeks to measure antagonism against pathogens of interest using methods including well diffusion, cross streaking and disc diffusion and the co-culture method 3,13 . These methods can also be used to test antagonism of putative probiotics against pathogens of interest. Whilst such methods allow cost effective, simultaneous s...

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Selection of probiotics by various inhibition test methods for use in the culture of western king prawns, Penaeus latisulcatus (Kishinouye)

Cited by 46 publications

References 25 publications

Probiotic Applications in Crustaceans

Probiotic Applications in Crustaceans

Screening and identification of organics-degrading bacteria from the sediment of sea cucumber Apostichopus japonicus ponds

Testing the efficacy of probiotics for disease control in aquaculture

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