Potential impact of genetically improved carp strains in Asia

Dey, Madan M.; Kumar, Praduman; Chen, Oai Li; Khan, Md. Akhtaruzzaman; Barik, Nagesh Kumar; Li, Luping; Nissapa, Ayut; Pham, Ngoc Sao

doi:10.1016/j.foodpol.2013.10.003

Cited by 13 publications

(5 citation statements)

References 26 publications

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“…Genetic improvement programs have also been initiated for carp and shrimp (Dey et al, 2010(Dey et al, , 2013Hung et al, 2013;Ninh et al, 2013). Though about 97% of the world salmon production is currently based on improved stock (Gjedrem & Baranski, 2009), the salmon industry has been maintaining a strong research and development effort.…”

Section: Baseline Resultsmentioning

confidence: 99%

Fish to 2030: The Role and Opportunity for Aquaculture

Kobayashi

Msangi

Batka

et al. 2015

Aquaculture Economics & Management

339

152

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& Seafood sector can contribute to the global food supply in an important way, and provide an important source of animal protein. Based on observed regional trends in seafood production and consumption and using a global, partial-equilibrium, multi-market model, this study investigates what the global seafood market may look like in 2030. The model projects that the total fish supply will increase from 154 million tons in 2011 to 186 million tons in 2030, with aquaculture entirely responsible for the increase. The fastest aquaculture growth is expected for tilapia and shrimp, while the largest expansion is expected in India, Latin America and Caribbean and Southeast Asia. Fast-growing seafood demand in China and elsewhere represents a critical opportunity for global fisheries and aquaculture to improve their management and achieve sustainable seafood economy.

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Section: Baseline Resultsmentioning

confidence: 99%

Fish to 2030: The Role and Opportunity for Aquaculture

Kobayashi

Msangi

Batka

et al. 2015

Aquaculture Economics & Management

339

152

View full text Add to dashboard Cite

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“…Production factors that are associated with risk may lead to inefficient use of these inputs. Additional factors that may influence production efficiency include production input intensity (Prodhan & Khan, 2018), the size of the operation, operator experience, education and training, access to credit (Mitra, Khan, & Nielsen, 2019), adoption of new technology (Dey et al, 2013), lack of institutional service (Khan, Roll, & Guttormsen, 2021; Mukta, Khan, Mian, & Juice, 2019), and several other management factors (Alam, 2011; Alam, Khan, & Huq, 2012; Khan & Alam, 2003). Each of these factors is, in turn, affected by the operator's assessment of production risk (Rahman, Nielsen, Khan & Ahsan, 2021).…”

Section: Introductionmentioning

confidence: 99%

Production risk, technical efficiency, and input use nexus: Lessons from Bangladesh aquaculture

Khan

Begum

Nielsen

et al. 2021

J World Aquaculture Soc

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The optimal use of resources in aquaculture is important, especially in developing countries, to obtain the highest possible outcome from the production process to support food security and poverty alleviation. Thus, within this study, the risk, efficiency, and input‐use variation in aquaculture farms in Bangladesh is investigated using a flexible stochastic frontier model with a risk and an inefficiency function. The results reveal that feed, labor, and capital have positive and significant impacts on production. In addition, an increased fingerling density and a larger farm increase the risk, whereas the use of feed and the capital invested have the opposite effect. Access to extension services has a positive effect and increases farm efficiency. An investigation of the farm size–productivity inverse relationship reveals that this phenomenon is not applicable to Bangladesh aquaculture. In general, efficient farmers are large‐scale farmers, who use a lower stocking density but a higher feeding intensity, resulting in a higher yield. On average, farmers use less labor and feed than what is optimal. To increase efficiency and reduce risk, it is recommended that more technical knowledge on optimal input use, extension service, and capital is made available to aquaculture farmers.

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“…They also reported that the introduction of GIFT led to decrease in variable costs ranging from 0.7% to 14.3% in some Asian countries, while in Thailand variable costs increased by 0.5%. Dey et al () also studied the impact of the genetically improved carp in different Asian countries. They found differences in performance of the improved strains among countries reporting that the adoption of improved carp strain would increase production of silver barb by 31%–48% in Bangladesh and 19%–31% in Thailand; rohu by 63%–73% in India, and common carp by 45%–71% in Vietnam, and 3%–11% in China.…”

Section: Discussionmentioning

confidence: 99%

Assessment of the impact of dissemination of genetically improved Abbassa Nile tilapia strain (GIANT‐G9) versus commercial strains in some Egyptian governorates

2019

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WorldFish initiated a selective breeding program in Abbassa-Egypt to develop and produce the genetically improved Nile tilapia strain known as "Genetically Improved Abbassa Nile tilapia (GIANT)", adopting the same technology used for the Genetically Improved Farmed Tilapia (GIFT), in Asia. WorldFish provided the Ninth Generation (G9) broodstock of the GIANT to 11 Broodstock Multiplication Centers (BMC's) in five governorates; these centres then disseminated improved mixed-sex fry to 160 tilapia hatcheries which supplied all-male fry to 1,500 fish farms in 2017. We present results of an impact assessment of the G9 of GIANT in 83 of these fish farms in four Egyptian governorates (Kafr El-Sheikh, Fayoum, Behera and Alexandria). Results indicate that the use of GIANT in all governorates achieved significantly higher (18.8%) fish yields (12.3%-26.4%) and 15.7% lower FCR (feed conversion ratio), reflecting a positive impact on their net profits compared with those who used commercial strains. Overall, fish farmers who stocked GIANT had significantly higher average fish sales (5,567 US$/ha) than those who stocked non-improved commercial strains (5,192 US$/ha) in all governorates. However, when comparing within governorates, the difference was significant only in Fayoum and Alexandria noting a mixed performance of the GIANT strain. The mixed performance indicates that some hatcheries may have crossed the different strains, which lowered the performance differences.To get an objective analysis of the performance of the GIANT, it is recommended that similar assessment be undertaken with new generations of the strain supported by on-farm performance trials.

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Potential impact of genetically improved carp strains in Asia

Cited by 13 publications

References 26 publications

Fish to 2030: The Role and Opportunity for Aquaculture

Fish to 2030: The Role and Opportunity for Aquaculture

Production risk, technical efficiency, and input use nexus: Lessons from Bangladesh aquaculture

Assessment of the impact of dissemination of genetically improved Abbassa Nile tilapia strain (GIANT‐G9) versus commercial strains in some Egyptian governorates

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