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:: Volume 15, Issue 4 (1-2022) ::
JAD 2022, 15(4): 127-140 Back to browse issues page
Efficiency determination of the trout farm units using a deterministic parametric frontier (DPF) analysis method in Lorestan province (case study of Alshtar city)
Behrouz Yarahmadi * , Mohsen Mohamadi Saei , Reza Pahlevani , Mahnaz Salehi
Department of Animal Sciences, Lorestan Agricultural and Natural Resources Research and Education Center, AREEO, Khorram abad, Iran
Abstract:   (1179 Views)
In order to investigate the efficiency of farms and the rainbow trout production function, the study was carried out at rainbow trout breeding farms in Alshtar city in Lorestan province during 2017. The data collection method was interviews and questionnaires. Data on production functions were estimated by Cobb Douglas functions and technical efficiency by deterministic parametric frontier (DPF) analysis method. The average technical, allocative and economic efficiency was 62.1%, 57.7% and 54.6%, respectively, that indicating significant potential of the units in increasing their efficiencies. The results of trout production function showed that the amount of feed intake and the area of fish farm with elasticity coefficients (0.369 and 0.270) had the most effect on trout production (P<0.01). The results showed that most trout breeding farms in Alshater due to lack of observance of economic principles in management, lack of knowledge of the factors affecting the production had low efficiency and profitability. In general, according to the results, there was a considerable gap between the units studied in Al-Shater city in terms of economic performance. This is due to the lack of attention to management issues in choosing the right combination of inputs (low allocative efficiency), respectively. Therefore, improving the conditions of breeding units, including nutrition and hygiene, is necessary to increase the efficiency and production of fish farms units in Alshtar.
Keywords: Rainbow trout farms, Deterministic parametric frontier, Technical efficiency, Alshater city.
Full-Text [PDF 830 kb]   (260 Downloads)    
Type of Study: Research | Subject: Special
Received: 2019/04/9 | Accepted: 2019/09/13 | Published: 2021/12/31
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Yarahmadi B, mohamadi Saei M, Pahlevani R, Salehi M. Efficiency determination of the trout farm units using a deterministic parametric frontier (DPF) analysis method in Lorestan province (case study of Alshtar city). JAD 2022; 15 (4) :127-140
URL: http://aqudev.liau.ac.ir/article-1-624-en.html


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Volume 15, Issue 4 (1-2022) Back to browse issues page
نشریه توسعه آبزی پروری Journal of Aquaculture Development
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