<p>This study has examined the extent and magnitude of aqua farming, determined the technical efficiency in prawn production, analyzed the competitiveness and prospects of prawns in the export market, and identified the factors responsible for shrimp disease occurrence in Coastal Andhra, along with the constrains in prawn culture. Suitable policy perspectives have also been suggested. The data have been collected through comprehensive pre-tested schedules and personal interviews, and pertained to the agricultural year 2001–02. Different indices have been used for determining the concentration of different size groups of shrimp farms in the Coastal Andhra. Stochastic frontier and DEA models have been used for determining the farm efficiency. Nominal Protection Coefficeint, Domestic Resource Cost, Common market share models have been used for analyzing the export competitiveness. Logistics regression analysis has been done for identifying the factors responsible for shrimp disease occurrence. Finally, Garrett's ranking technique and Kenall's Coefficient of concordance test have been used for identifying and ranking the constraints of prawn farmers.</p><p>The mean technical efficiencies for the extensive systems have been found to vary from 0.848 to 0.912 with respect to stochastic frontier model while through Data Envelopment Analysis, the same has ranged from 0.797 to 0.881. The mean technical efficiencies for the semi-intensive systems have been found to vary from 0.856 to 0.909 through stochastic frontier model and and 0.845 to 0.882 though Data Envelopment Analysis. The NPC values in 2000–01 and 2001–02 have been found to be 0.524 and 0.622, respectively indicating that the frozen shrimp is exportable.</p><p>The study has suggested that the environmental impacts of shrimp farming can be reduced by following environment-friendly and sustainable shrimp farming practices. Farmers must be advised to adopt improved traditional culture practices with low stocking densities, stocking with hatchery seed, use of quality feed, discouraging the use of antibiotics, earmarking areas for effluent treatment plants for farms of 5 ha area and above, alternating shrimp crop with cultivable brackish water fishes, encouraging the use of artemia feed in early stages of shrimp and other scientific methodologies. The maintenance of protocol to assure quality by the government or trade associations would be the best approach in the control of residues in seafood.</p></sec></body></article></article></body></html>

AERR

Agricultural Economics Research Review

0971-3441

Agriculture Economics Research Association (India)

aerr-17-2-phdabs-006

ABSTRACTS OF DISSERTATIONS OR ARTICLES

Economic analysis of prawn culture in coastal Andhra Pradesh

Kouru

Uma Devi

Department of Agricultural Economics, Acharya N.G. Ranga Agriculture University, Hyderabad.

Major Advisor: Dr Y. Eswara Prasad

7–122004

172284285

<p>This study has examined the extent and magnitude of aqua farming, determined the technical efficiency in prawn production, analyzed the competitiveness and prospects of prawns in the export market, and identified the factors responsible for shrimp disease occurrence in Coastal Andhra, along with the constrains in prawn culture. Suitable policy perspectives have also been suggested. The data have been collected through comprehensive pre-tested schedules and personal interviews, and pertained to the agricultural year 2001–02. Different indices have been used for determining the concentration of different size groups of shrimp farms in the Coastal Andhra. Stochastic frontier and DEA models have been used for determining the farm efficiency. Nominal Protection Coefficeint, Domestic Resource Cost, Common market share models have been used for analyzing the export competitiveness. Logistics regression analysis has been done for identifying the factors responsible for shrimp disease occurrence. Finally, Garrett's ranking technique and Kenall's Coefficient of concordance test have been used for identifying and ranking the constraints of prawn farmers.</p><p>The mean technical efficiencies for the extensive systems have been found to vary from 0.848 to 0.912 with respect to stochastic frontier model while through Data Envelopment Analysis, the same has ranged from 0.797 to 0.881. The mean technical efficiencies for the semi-intensive systems have been found to vary from 0.856 to 0.909 through stochastic frontier model and and 0.845 to 0.882 though Data Envelopment Analysis. The NPC values in 2000–01 and 2001–02 have been found to be 0.524 and 0.622, respectively indicating that the frozen shrimp is exportable.</p><p>The study has suggested that the environmental impacts of shrimp farming can be reduced by following environment-friendly and sustainable shrimp farming practices. Farmers must be advised to adopt improved traditional culture practices with low stocking densities, stocking with hatchery seed, use of quality feed, discouraging the use of antibiotics, earmarking areas for effluent treatment plants for farms of 5 ha area and above, alternating shrimp crop with cultivable brackish water fishes, encouraging the use of artemia feed in early stages of shrimp and other scientific methodologies. The maintenance of protocol to assure quality by the government or trade associations would be the best approach in the control of residues in seafood.</p></sec></body></article></article></body></html>