Refining Eastern Oyster Seed Production: An Efficiency Study Comparing Traditional FLUPSYs to Open Water Surface Culture

Commodities

• Animals: shellfish

Practices

• Animal Production: aquaculture
• Energy: energy use
• Farm Business Management: labor/employment

To address the critical hatchery seed bottleneck and rising production costs in the Northeast Eastern Oyster industry, this project investigates efficient alternatives to traditional nursery culture. The objective is to quantify and compare the cost-effectiveness, biological performance (survival, shell morphology), and labor requirements of novel rearing systems against industry standards.

The study employs a two-phase experimental design at the Peeko Oyster Hatchery in Southold, NY. Phase 1 compares traditional silo upwellers against bottle upwellers for post-set microseed (<2mm), focusing on spatial efficiency and flow dynamics. Phase 2 (and our priority area) evaluates the efficacy of 1.4mm FlipFarm rigid basket inserts against standard Floating Upweller Systems (FLUPSYs) for seed up to 6mm. We will monitor water quality, labor hours, and energy use while measuring shell metrics to determine if alternative methods reduce handling time and improve seed quality. Results will identify best practices for reducing energy demands and physical labor, directly aligning with SARE priorities for farm safety and resource conservation.

Outreach will include publishing a production efficiency report (analysis of internal practices and surveying NE regional seed customers), presenting findings at regional aquaculture meetings (for example, the 2028 Northeast Aquaculture Conference and Exhibition (NACE)), and sharing our findings in digital forums such as LIOGA and ECSGA.

Project Objectives

Considering recent growth in domestic oyster aquaculture, new technologies for seed cultivation methods must be investigated to identify cost-effective and efficient methods to produce superior quality seed and supply the demands of the industry.

Goals:

1. Investigate and assess different seed rearing methods to identify which method produces seed with preferred shell metrics and increased survival.
2. Investigate and assess different seed rearing methods for cost effectiveness (e.g.: manual labor) and efficiency (e.g.: space usage).

Objectives:

1.) Quantify work effort, shell growth rate and oyster survival comparing traditional upwellers (control) and bottle upwellers (treatment) to illustrate variation among methods (if any) for oyster seed less than 2mm.

2.) Quantify work effort, shell growth rate and oyster survival comparing traditional FLUPSYs (control) and experimental FlipFarm 1.4mm basket inserts (treatment) to illustrate variation among methods (if any) for oyster seed between 2 and 6mm.

Accomplishing the objectives will result in new technologies that increase cost-effective oyster seed production through efficiencies in labor and space utilization. These new and innovative technologies can be transferred to Northeast regional hatcheries through easily repeatable protocols. The overall impact to Peeko Oysters and regional seed producers is an increase in oyster production, increased revenues, and increased employment.