Abstract
The study was conducted to assess the cost and return from tilapia farming. Fifty homestead aquaculture ponds practicing monoculture and polyculture of tilapia (25 farmers from each category) were selected for this study. Data had been collected through face to face interview by using a structured questionnaire during April to September 2015 from the selected farmers of Dinajpur districts. The results from the survey revealed that both the tilapia monoculture and polyculture farming were profitable. However, the average total cost per hectare per production period was found higher (Tk. 332,712.08) in tilapia monoculture than tilapia culture with carps (Tk. 241,722.34). Moreover, the net margin was also found higher in tilapia monoculture with benefit cost ratio 1.51. Whereas, the benefit cost ratio in polyculture farming was 1.34.
 J. Bangladesh Agril. Univ. 17(1): 117–121, March 2019
Highlights
Bangladesh has huge potential for tilapia farming due to its rapid growth rate and high market value, become one of the most popular commercial culturable species in Bangladesh (ADB, 2005; Rahman, 2012)
Most of the farmers in Dinajpur district are practicing the tilapia farming with different carp species, while others are involved in commercial tilapia monoculture
Economic analysis of tilapia farming in some selected area of Dinajpur District: A comparison between monoculture and polyculture
Summary
Bangladesh has huge potential for tilapia farming due to its rapid growth rate and high market value, become one of the most popular commercial culturable species in Bangladesh (ADB, 2005; Rahman, 2012). A considerable number of farmers in the rural area have been involved in tilapia farming due to its profitability. Fish farmers in Dinajpur district are not exception. Most of the farmers in Dinajpur district are practicing the tilapia farming with different carp species, while others are involved in commercial tilapia monoculture. In these areas, tilapia farmers are not technically advanced like the other parts of Bangladesh (Barman et al, 2003)
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