Effects of the filter feeder silver carp and the bottom feeders mrigal and common carp on small indigenous fish species (SIS) and pond ecology

Milstein, Ana; Ahmed, Farhana; Masud, O.A.; Kadir, A.; Wahab, M.A.

doi:10.1016/j.aquaculture.2006.04.045

Cited by 31 publications

(20 citation statements)

References 6 publications

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“…As elsewhere in Asia, fish culture in this country has taken place mainly through the development of polyculture techniques of both native and exotic carp species. The small indigenous fish species (SIS) have received attention recently and have been included in the traditional carp‐polyculture systems in Bangladesh based on the philosophy that large carp species could be sold in the market for income generation and small fish could be consumed by the household members (Alim, Wahab & Milstein 2004, 2005; Kadir, Kundu, Milstein & Wahab 2006; Milstein, Ahmed, Masud, Kadir & Wahab 2006), thereby improving the livelihoods of the fish farmers. Amblypharyngodon mola , locally known as mola or moia, one of the important popular small indigenous self‐recruiting species, once abundantly found in the rice fields, rivers, canals, ponds and ditches as wild catches, is now becoming scarce.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of freshwater prawn-small fish culture concurrently with rice in Bangladesh

Wahab

Kunda

Äzim

et al. 2008

Aquaculture Research

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An integrated aquaculture of freshwater prawn (Macrobrachium rosenbergii) and self-recruiting small ¢sh mola (Amblypharyngodon mola) was conducted in farmers' rice ¢elds at Mymensingh, Bangladesh. There were four treatments with three replications. Four stocking densities, 10 000, 15000, 20 000 and 25000 ha À 1 , of freshwater prawn were applied. The stocking density of mola was the same (20 000 ha À 1 ) in all treatments. During land preparation, triple super phosphate (TSP) and murate of potash (MP) were applied at the rate of150 and 75 kg ha À 1 respectively. Urea was applied at the rate of 200 kg ha À 1 in equally distributed three installments after16,45 and 65 days of rice plantation. Prawns were fed with commercial pelleted feed at 3^8% body weight.All water quality parameters were found to be within the suitable range for freshwater prawn culture. There was a homogenous abundance of plankton communities in all treatments. The results of a 4-month culture period showed that the average production of prawn ranged from 222 to 388 kg ha À 1 , mola 51 to 68 kg ha À 1 and rice 2880 to 3710 kg ha À 1 . Signi¢cantly higher production of both prawn and mola was recorded in the plots where the freshwater prawn stocking density was 15000 ha À 1 . This treatment resulted in a net pro¢t of USD 1100 ha À 1 .

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Section: Introductionmentioning

confidence: 99%

Evaluation of freshwater prawn-small fish culture concurrently with rice in Bangladesh

Wahab

Kunda

Äzim

et al. 2008

Aquaculture Research

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“…Half of these studies were conducted on farm (Kunda et al 2010(Kunda et al , 2009Roos et al 2002bRoos et al , 2003Roy et al 2002Roy et al , 2003Wahab et al 2011) and half were controlled field experiments, with a limited number (n = 3-5) of replicates (Alim et al 2004(Alim et al , 2005Kadir et al 2006;Milstein et al 2006Milstein et al , 2009Wahab et al 2003). All studies quantified fish production and five reported on income from fish production.…”

Section: Production Income and Nutritionmentioning

confidence: 99%

Homestead pond polyculture can improve access to nutritious small fish

Castine¹,

Bogard

Barman

et al. 2017

Food Sec.

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In Bangladesh, homestead pond aquaculture currently comprises a polyculture of large fish species but provides an ideal environment to integrate a range of small fish species. Small fish consumed whole, with bones, head and eyes, are rich in micronutrients and are an integral part of diets, particularly for the poor. Results from three large projects demonstrate that the small fish, mola (Amblypharyngodon mola) contributes significantly to the micronutrients produced from all fish, in homestead ponds, in one production cycle. Mola contributed 98%, 56% and 35% of the total vitamin A, iron and zinc produced, respectively, despite comprising only 15% of the total fish production by weight. If consumed within the household, mola could contribute half of the vitamin A and a quarter of the iron intake recommended for a family of four, annually. Homestead ponds are uniquely accessible to women who prepare the household food. Further dissemination of the carp-small fish technology provides opportunities to target women and men together for training on fish production and consumption, nutrition and gender equity. Women only training is also recommended to enable them to engage fully, without feeling dominated by men. Partnering with the fisheries and health sectors will encourage sustainable uptake of this promising technology. Clearly, dissemination could have significant health benefits; however, improved monitoring and evaluation, particularly of dietary diversity and diet quality are essential. Research priorities should also include the production techniques of other small indigenous fish species (SIS), besides mola, and the power dynamics between women and men in operating homestead ponds.

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“…This system aims at optimizing the use of existing food in the pond, without increasing feed competition between species. The multi-trophic system uses species with different feeding and habitat requirements, in order to maximize production through efficient occupation of physical space and different ecological niches (Cohen and Ra'anan, 1983;Wohlfarth et al, 1985;Lutz, 2003;Milstein et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Integrated multi-trophic culture of Nile tilapia (Oreochromis niloticus) and Amazon river prawn (Macrobrachium amazonicum) in brackish water

Henry-Silva

Maia

Moura

et al. 2015

Arq. Bras. Med. Vet. Zootec.

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The aim of this study was to assess the feasibility of integrated multi-trophic culture of Nile tilapia (Oreochromis niloticus) and Amazon River prawn (Macrobrachium amazonicum) in brackish water by evaluating its limnological characteristics and economic performance. The experiment was completely randomized with four treatments and four repetitions: control treatment with Nile tilapia only, stocked with 2 tilapias/m² (P2C0) and three integrated multi-trophic culture treatments stocked with 2 tilapias/m² and prawns at densities of 4, 8 and 16 prawns/m² (P2C04, P2C08 and P2C16, respectively). The limnological variables of temperature, pH, dissolved oxygen, turbidity, ammonia, orthophosphate and chlorophyll "a" were evaluated and throughout the experiment remained within the limits recommended for culture. The experiment lasted 150 days with monthly animal sampling. No significant differences were observed for total fish biomass or for fish and prawn total survival rates. However, prawn individual weight decreased as stocking density increased. Gross revenue was not significantly different between treatments, as well as profitability. The profitability was 40.1% (P2C0), 36.7% (P2C04), 41.2% (P2C08) and 50.1% (P2C16). It is concluded that although feasible from the view point of husbandry, the integrated multi-tropic culture of M. amazonicum and O. niloticus did not influence significantly profitability compared to the monoculture system.

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Effects of the filter feeder silver carp and the bottom feeders mrigal and common carp on small indigenous fish species (SIS) and pond ecology

Cited by 31 publications

References 6 publications

Evaluation of freshwater prawn-small fish culture concurrently with rice in Bangladesh

Evaluation of freshwater prawn-small fish culture concurrently with rice in Bangladesh

Homestead pond polyculture can improve access to nutritious small fish

Integrated multi-trophic culture of Nile tilapia (Oreochromis niloticus) and Amazon river prawn (Macrobrachium amazonicum) in brackish water

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