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Probiotic System for Bivalve Shellfish Aquaculture

Award Information

Department of Agriculture
Award ID:
Program Year/Program:
2002 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
AquaTechnics, Inc.
455 West Bell Street Sequim, WA 98382
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 1
Fiscal Year: 2002
Title: Probiotic System for Bivalve Shellfish Aquaculture
Agency: USDA
Contract: 2002-33610-11951
Award Amount: $79,622.00


There has been increasing interest in the use of beneficial bacteria (probiotic bacteria) to exclude bacterial pathogens in the intensive aquaculture of bivalve mollusk seed, shrimp postlarvae, and larval fish. As our work and that of others have shown, marine bacterial strains with probiotic activity are not uncommon. However, a validated method for the biologically effective and cost effective method of producing, introducing and maintaining the probiotic bacteria in bivalve shellfish systems is required. The primary subject of this proposal is to test the addition of promising probiotic bacterial candidates (presently archived in the laboratory), grown as monocultures, to larval and juvenile oyster cultures and evaluate their ability to protect the shellfish from challenge by bacteria pathogens. Promising candidates will be characterized for optimal concentration and frequency of addition in order to establish a recoverable and biologically protective concentration of probiotic candidates. Phase I studies will be conducted in laboratory microcosm cultures followed by scale up to commercial size cultures in Phases 2 and 3. There will be a limited evaluation of compatibility of probiotic bacteria with algal cultures and evaluation of any potential for resistance development of pathogens to probiotics.

Principal Investigator:

Ralph A. Elston
Sr. Res. Sci

Business Contact:

Ralph A. Elston
President/Research Director
Small Business Information at Submission:

AquaTechnics, Inc.
P. O. Box 687 Carlsborg, WA 98324

EIN/Tax ID: 911586760
Number of Employees: N/A
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No