Asian Shrimp Production and the Economic Costs of Disease

Shinn, Andrew P.

doi:10.33997/j.afs.2018.31.s1.003

Cited by 114 publications

(111 citation statements)

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“…Outbreaks of microbial diseases have posed one of the main impediments to the sustainable growth of the aquaculture industry (Stentiford et al ., 2017; Shinn et al ., 2018). Complex changes in the microbial community structure have been hypothesized to be related with disease outbreaks (Xiong et al ., 2014a,b; Lemire et al ., 2015; Dai et al ., 2020; Huang et al ., 2020).…”

Section: Introductionmentioning

confidence: 99%

Rearing water microbiomes in white leg shrimp (Litopenaeus vannamei) larviculture assemble stochastically and are influenced by the microbiomes of live feed products

Heyse

Props

Kongnuan³

et al. 2020

Environmental Microbiology

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The development of effective management strategies to reduce the occurrence of diseases in aquaculture is hampered by the limited knowledge on the microbial ecology of these systems. In this study, the dynamics and dominant community assembly processes in the rearing water of Litopenaeus vannamei larviculture tanks were determined. Additionally, the contribution of peripheral microbiomes, such as those of live and dry feeds, to the rearing water microbiome were quantified. The community assembly in the hatchery rearing water over time was dominated by stochasticity, which explains the observed heterogeneity between replicate cultivations. The community undergoes two shifts that match with the dynamics of the algal abundances in the rearing water. Source tracking analysis revealed that 37% of all bacteria in the hatchery rearing water were introduced either by the live or dry feeds, or during water exchanges. The contribution of the microbiome from the algae was the largest, followed by that of the Artemia, the exchange water and the dry feeds. Our findings provide fundamental knowledge on the assembly processes and dynamics of rearing water microbiomes and illustrate the crucial role of these peripheral microbiomes in maintaining health-promoting rearing water microbiomes.

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Section: Introductionmentioning

confidence: 99%

Rearing water microbiomes in white leg shrimp (Litopenaeus vannamei) larviculture assemble stochastically and are influenced by the microbiomes of live feed products

Heyse

Props

Kongnuan³

et al. 2020

Environmental Microbiology

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“…While global aquaculture production is growing, the intensive culture of aquatic species has given rise to frequent and severe episodes of disease (Shinn et al, 2018a, 2018b; Xiong et al . , 2019).…”

Section: Introductionmentioning

confidence: 99%

Unveiling associations between ciliate parasites and bacterial microbiomes under warm‐water fish farm conditions – a review

Jahangiri

Shinn

Pratoomyot

et al. 2020

Reviews in Aquaculture

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Intensive fish production has arguably resulted in a consequential increase in the incidence of disease within the aquaculture industry. The frequency and the severity of disease events are in part affected by changing global climatic conditions. More importantly, these changes directly influence changes in water quality parameters and the dynamics of a microbiome, pathogenic or not, in aquatic farming. Changes in temperature, for example, have both direct and indirect effects on the health status of fish, potentially increasing their predisposition to infections. In general terms, fish infections are rarely caused by a single agent or factor – frequently, multiple pathogens, changes in water quality parameters, production factors (e.g. feed quality, stocking density) and host immunity are concomitantly responsible for the establishment of infections in fish farms. Ciliate protozoans represent an important microfauna in aquatic environments. Ciliated protozoans can proliferate quickly, debilitating the host, and, in the absence of an intervention, can lead to a significant loss of stock. Ciliate infections frequently facilitate the establishment of secondary microbial species, both of which are linked to environmental and culture conditions. In this review, economically important ciliated protozoans of warm‐water cultured fish and their potential interactions with their associated bacterial microbiomes (both on/in their hosts and their surrounding environment) are discussed. Also, potential environmental triggers behind ciliate outbreaks within warm‐water aquaculture are reviewed. With better knowledge about such interactions, it will be possible to highlight innovative strategies to control ciliate parasites and bacterial infections in aquaculture.

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“…However, this increment was associated with an increase in production intensity coupled with a higher rearing density, disease transmission risk, introduction of exogenous species and absence of biosafe practices (Hill, 2002). Annual growth rates of 23% and 25% in the 1970s and 1980s, respectively (World Bank, 2013), were followed by the proliferation of diseases (i.e., mainly white spot syndrome virus—WSSV) that decimated production, reducing the average growth rate to 5% annually from 1990 to 2000 (Shinn et al., 2018; World Bank, 2013). In response, the shrimp industry implemented breeding practices focused on good management, including obtaining pathogen‐free larvae through broodstock health certification.…”

Section: Introductionmentioning

confidence: 99%

The use of probiotics in larval whiteleg shrimp ( Litopenaeus vannamei ) production: A marginal analysis of bioeconomic feasibility

et al. 2020

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Sustainable production in aquaculture requires integrating new technologies that maximize economic benefits while minimizing environmental impacts. In shrimp production, probiotics improve larval survival and reduce environmental impacts, but their use also increases total production costs. In this study, the economic feasibility of using probiotics in larval whiteleg shrimp production was assessed, as well as the optimal concentration to maximize the economic performance of a laboratory for larval whiteleg shrimp rearing. A bioeconomic model was developed based on the laboratory production data. Then, a marginal approach was applied to identify the optimal economic points. Probiotics led to a significant increase in survival, reducing unit production costs by 44%. However, they were also associated with a 6% increase in total production costs. Thus, profitability also depends on the capability of the laboratory to sustain this type of investment. At a constant price of 2.89 USD, thousand‐1 postlarvae‐1 2.96 x 1010 colony forming units (CFU) m‐3 day‐1 of homemade probiotic inoculum optimized the economic performance of the laboratory, increasing net benefits by 26% for each production cycle. A dosage increase of up to 6.8 x 1010 CFU/m3 day‐1 increased survival even more, but the economic benefits obtained with the use of probiotics were equal to those obtained without them.

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Asian Shrimp Production and the Economic Costs of Disease

Cited by 114 publications

References 0 publications

Rearing water microbiomes in white leg shrimp (Litopenaeus vannamei) larviculture assemble stochastically and are influenced by the microbiomes of live feed products

Rearing water microbiomes in white leg shrimp (Litopenaeus vannamei) larviculture assemble stochastically and are influenced by the microbiomes of live feed products

Unveiling associations between ciliate parasites and bacterial microbiomes under warm‐water fish farm conditions – a review

The use of probiotics in larval whiteleg shrimp ( Litopenaeus vannamei ) production: A marginal analysis of bioeconomic feasibility

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