UGA Cooperative Extension is a collaboration between UGA CAES and UGA FACS.

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Summary

Aquaculture farms have faced high feed costs and competition from imported commodities so are looking for local feed and markets in order to sustain or expand their operations. Aquaponics, the combination of fish culture and plant hydroponic production, is a growing activity in Georgia. Technology for culture of fish species that are not as dependent on manufactured feed, aquaponics, and food safety is needed to move the aquaculture industry forward.

Situation

Aquaculture interests have been from small farmers and farmers wanting to change from poultry or row crops to aquaculture. Species of interest include catfish, sport fish, tilapia, freshwater prawns, trout, alligators, koi carp, and ornamental fish. Catfish production is more profitable due to higher prices for catfish and lower feed costs. Bluegill sunfish and largemouth bass culture as food fish rather than sport fish is an emerging interest. Aquaponics and tank culture of tilapia, catfish, and bluegill sunfish has risen in the interests of Georgia farmers, small land holders, and communities. There is a great desire to produce addition revenue from small land holdings, produce high quality and local food, and to control risk by diversifying products between fish and plants.

Response

High feed costs require examination of fish species that can utilize natural foods. Networking among fish producers should be investigated as a means to lower feed costs through bargaining. Commercial aquaponics technology should be developed in a model package. Requests from members of the Georgia Aquaculture Association include technology on bluegill sunfish culture, alternative protein in feeds for catfish, and technical information on suitable aquaculture species for Georgia. New feed sources for aquaculture include brewing and distilling byproducts, insect protein, aquatic plants and algae, and feed probiotics. Food safety methods in aquaponics must be demonstrated and verified in those enterprises and Extension support is important for development of food safety understanding among stakeholders. Cooperation between several institutions and units who have aquaponics interests is important to moving forward to provide technical support for successful enterprise development.

Impact

Aquaculture value has shifted from pond cultured catfish to a more divers fish species list that includes blue gill sunfish, tilapia, grass carp, largemouth bass, and bait/forage fish species. About $20,000,000 in aquaculture sales are used by Georgia pond owners or fish processors. Services were provided directly to fish culture operations that have annual sales of more than $7,500,000.

State Issue

Agricultural Profitability and Sustainability

Details

  • Year: 2016
  • Geographic Scope: State
  • County: Tift
  • Program Areas:
    • Agriculture & Natural Resources

Author

  • Burtle, Gary J.

Collaborator(s)

CAES Collaborator(s)

  • Chen, Jinru
  • Risse, L. Mark
  • Stivers, Tori

Non-CAES Collaborator(s)

  • Don Bacoat
  • James Shelton
  • Stephen van Ginkel
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