Productivity and technical efficiency of aquaculture production in Nigeria- a stochastic frontier production function approach Public Deposited

http://ir.library.oregonstate.edu/concern/conference_proceedings_or_journals/79407z386

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  • Nigerian aquaculture industry is fairly well developed and ranks second in Africa. It has low production levels compared with the country's aquaculture production potentials. Aquaculture production in 2001 was 47,000 tonnes contributing 9.92% of total fisheries production. If aquaculture production is to play its expected role in economic development of the country, new ways of expanding the sub-sector in an economically viable and environmentally sustainable manner need to be defined. In this respect, increasing productivity and technical efficiency (TE) at the farm level represents an attractive option because they have the potential to generate output growth without increasing the quantities of scarce inputs. This paper therefore determines the productivities of factors involved in aquaculture production and the TE of its operators. Primary data were collected using a set of structured questionnaire administered on 100 freshwater fish farmers selected using a multistage sampling technique, and were analyzed using the stochastic frontier production function. The productivity analysis showed that the allocation and utilization of the technical and economic factors involved in aquaculture production are in the rational stage (stage II) of the production region and thus their usage is efficient but the returns to scale (RTS) was > 1. This implies that output needs to be enlarged by allocating more of the productive factors involved in the production process that is, enlarging the scale of operation. The TE of the farmers varied between 0.633 and 0.998 with a mean TE of 0.830 with the proportion of farmers having TE≥ 0.70 being about 90%. This implies that aquaculture should be enlarged by cost effective technological change.
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  • Ojo, S. O., O. O. Faphunda, O. A. Fagbenro. 2004. Productivity and technical efficiency of aquaculture production in Nigeria- a stochastic frontier production function approach. Peer Review: No. In: Proceedings of the Twelfth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 20-30, 2004, Tokyo, Japan: What are Responsible Fisheries? Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2004. CD ROM. ISBN 0-9763432-0-7
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