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Visit Maine Aquaculture Harvest, Lease, and License (LPA) Data

Maine Aquaculture Harvest, Lease, and License (LPA) Data

Comprehensive information on aquaculture leases and Limited-Purpose Aquaculture (LPA) licenses, including details on active and denied lease decisions, pending applications, and interactive data tables with links to maps and documents.
2025
Maine DMR Division of Aquaculture
Visit Resources for Growers

Resources for Growers

DMR resources for growers including approved hatcheries, biosecurity, shellfish sanitation, harvest and reporting, and forms.
2025
Maine DMR Division of Aquaculture
Visit Disinfection for used shellfish equipment

Disinfection for used shellfish equipment

After purchasing used shellfish production equipment, it is strongly recommended to thoroughly clean and disinfect the gear prior to use to limit the risk of introducing disease or invasive species. An easy-to-use process is as follows:
2024
Maine Sea Grant
Visit Biosecurity on the Farm - Guidelines & Resources for Developing a Biosecurity Plan

Biosecurity on the Farm - Guidelines & Resources for Developing a Biosecurity Plan

Reviews the benefits of developing a biosecurity plan and a step-by-step outline on how to develop a plan that will protect your farm from disease-causing organisms or pathogens.
2024
Northeastern Regional Aquaculture Center
Visit Biofouling Prevention and Management in the Marine Aquaculture Industry

Biofouling Prevention and Management in the Marine Aquaculture Industry

This report addresses biofouling management in relation to marine aquaculture industry operations, equipment and infrastructure. It covers shellfish, finfish and seaweed operations in estuaries and seawater. It does not address freshwater aquaculture activities.
2022
UNESCO Intergovernmental Oceanographic Commission
Visit How to Recognize and Treat a Shell-Boring Marine Worm Pest in Oyster Aquaculture

How to Recognize and Treat a Shell-Boring Marine Worm Pest in Oyster Aquaculture

UC Davis Aquaculture visits Dr. Julieta Martinelli at the University of Washington, Seattle, to learn about the shell-boring marine worm polychaete, otherwise known as blister worms (Polydora websteri), and the treatments to control them in oyster shellfish aquaculture farms.
2022
UC Davis Aquaculture
Visit Biofouling in Shellfish Aquaculture

Biofouling in Shellfish Aquaculture

Powerpoint on biofouling including, economic impact, general impact, common fouling organisms (macroalgae, tunicates, hydroids, boring sponge, over-set of barnacles, mussels, or oysters), controlling fouling, and methods to avoid, mitigate, or prevent the effects of biofouling.
2020
Woods Hole Sea Grant
Industry Perspective

Rookie Mistakes

Everyone makes rookie mistakes in the beginning. Here are some learned lessons from Love Point Oysters to help give you a head start.

Ben Hamilton and Cameron Barner
2020
Visit Oyster Production Equipment Comparisons 2016–2018

Oyster Production Equipment Comparisons 2016–2018

The report provides information on commercially relevant aspects of oyster production gear associated with each equipment type employed including, BST™ Crosshatch, BST™ Longline, OysterGro, Rack and Bag, & Seapa™. They tracked oyster survival, growth by season, shell morphology, worm presence, and cost estimates.
2020
Maryland Sea Grant, University of Maryland
Visit Biofouling Control Strategies: A Field Guide for Maryland Oyster Growers

Biofouling Control Strategies: A Field Guide for Maryland Oyster Growers

Biofouling, or plants and animals that colonize oysters and/or cages, can affect profitability. This handbook reviews macroalgae, cushion moss, encrusting bryozoan, barnacles, false mussels, hooked mussels, slipper limpet, ghost anemone, sea squirts, boring sponge, red beard sponge, clam worms, mud worms, & whipworms.
2020
Maryland Sea Grant, University of Maryland Extension
Visit Potential Gear Coatings as a Mitigation Technique for Invertebrate Predators of Aquacultured Eastern Oysters (Crassostrea virginica)

Potential Gear Coatings as a Mitigation Technique for Invertebrate Predators of Aquacultured Eastern Oysters (Crassostrea virginica)

This project aimed to identify a gear coating that deters and mitigates predation by oyster drills (Urosalpinx cinerea) and starfish (Asterias rubens) on aquaculture eastern oysters. Identifying potential strategies to mitigate starfish and oyster drill snail predation on eastern oysters could increase oyster survival, which would increase yield and revenue.
2020
Northeast Regional Aquaculture Center
Visit Research, Development and Education Priorities for the Aquaculture Sector in Maine

Research, Development and Education Priorities for the Aquaculture Sector in Maine

This report is based on the research priorities survey conducted in June 2019 of Maine’s aquaculture community and is compared with surveys from 2012 and 2016 to look at trends. There have been some changes in the prioritization of needs since 2016, but many of the same research, development, and education (R&D&E) needs persist and remain unaddressed. As expected, there are different R&D&E priorities for different aquaculture sectors.
2020
Maine Aquaculture Innovation Center
Visit Kennebec River Biosciences

Kennebec River Biosciences

A global fish and shellfish health lab, we offer you top-quality diagnostics, import/export inspections, and veterinary solutions from consultation to custom vaccines.
2020
Kennebec River Biosciences
Visit Shellfish Biosecurity: Risks, Management & Best Practices Bivalve Shellfish Physiology, Pathogens, Diseases

Shellfish Biosecurity: Risks, Management & Best Practices Bivalve Shellfish Physiology, Pathogens, Diseases

Presentation on oyster pathogens and diseases such as MSX, SSO, dermo, and Vibrio, testing protocols, long-term management, oyster predators & pests, the difference bewteen infection and disease, disese prevention, biosecurity, risk evaluation, pathogen surveillance, and zonation.
2016
Kennebec River Biosciences
Visit Mud Blister Worms and Oyster Aquaculture

Mud Blister Worms and Oyster Aquaculture

Report on the mud blister polychaete worm, Polydora websteri, including a description, life history, settlement, burrowing, treatments, and biosecurity.
2015
Maine Sea Grant, University of Maine
Visit Northeastern U.S. Aquaculture Management Guide: A manual for the identification and management of aquaculture production hazards

Northeastern U.S. Aquaculture Management Guide: A manual for the identification and management of aquaculture production hazards

Intended to help prospective farmers to identify, record, monitor, and manage production hazards, and ultimately minimize production-related risk. Discusses types of risk in aquaculture, record keeping, environmental conditions, biofouling organisms, predators, diseases, parasites, invasive species, and operational procedures.
2014
Northeast Regional Aquaculture Center, USDA
Visit Dead and Dying Shellfish: What to Do?

Dead and Dying Shellfish: What to Do?

Fact sheet designed to try to improve the growers knowledge on the process to contact a professional who can examine dead or dying shellfish to determine the cause and how to get the shellfish to them for analysis.
2013
Northeastern Regional Aquaculture Center
Visit Oyster Diseases of the Chesapeake Bay: Dermo and MSX Fact Sheet

Oyster Diseases of the Chesapeake Bay: Dermo and MSX Fact Sheet

Fact sheet on Dermo disease, Perkinsus marinus, and MSX disease, Haplosporidium nelsoni, including geographic distribution, history, biology, epizootiology, environmental influences, control measures, and diagnostic methods.
2013
Virginia Institute of Marine Science
Visit Harmful Algae and Marine Aquaculture in the Northeastern United States

Harmful Algae and Marine Aquaculture in the Northeastern United States

Reviews harmful algae blooms including conditions for biotoxin formation, detection, management, and common types of HAB's in the northeast.
2010
Northeastern Regional Aquaculture Center
Visit Exploring Options to Reduce Polydora Infestations on Maine Oyster Farms

Exploring Options to Reduce Polydora Infestations on Maine Oyster Farms

Explores husbandry and equipment solutions to infestations of Polydora websteri, a marine polychaete worm, on a Maine oyster farm.
2010
Maine Sea Grant
Visit Juvenile Oyster Disease of Eastern Oysters

Juvenile Oyster Disease of Eastern Oysters

Fact sheet on juvenile oyster disease (JOD) including background on the disease and etiological agent, known geographical range, host species, epizootiology, signs of disease, diagnostic procedures, procedures for transportation, and storage of samples.
2004
Rutgers University
Visit Factors Affecting Health of the Oyster

Factors Affecting Health of the Oyster

Fact sheet on factors causing pathological changes in oysters, categories of bivalve pathology, preventative care information, and factors regulating oyster stock density.
2000
Connecticut Department of Agriculture
Visit Roseovarius Oyster Disease

Roseovarius Oyster Disease

Fact sheet on roseovarius oyster disease (ROD), previously known as juvenile oyster disease (JOD) including infection, mortality, resistance, and how to determine if an oyster is infected.
2000
Connecticut Department of Agriculture
Visit MSX Disease

MSX Disease

Fact sheet on MSX, caused by a single‐celled Protozoan parasite Haplosporidium nelsoni, including transmission, history, epizootic, resistance, infection, mortality, and management.
2000
Connecticut Department of Agriculture

Resources Database

Popular Searches

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Key Ideas

Maine Aquaculture Harvest, Lease, and License (LPA) Data

Resources for Growers

Disinfection for used shellfish equipment

Biosecurity on the Farm - Guidelines & Resources for Developing a Biosecurity Plan

Biofouling Prevention and Management in the Marine Aquaculture Industry

How to Recognize and Treat a Shell-Boring Marine Worm Pest in Oyster Aquaculture

Biofouling in Shellfish Aquaculture

Rookie Mistakes

Oyster Production Equipment Comparisons 2016–2018

Biofouling Control Strategies: A Field Guide for Maryland Oyster Growers

Potential Gear Coatings as a Mitigation Technique for Invertebrate Predators of Aquacultured Eastern Oysters (Crassostrea virginica)

Research, Development and Education Priorities for the Aquaculture Sector in Maine

Kennebec River Biosciences

Shellfish Biosecurity: Risks, Management & Best Practices Bivalve Shellfish Physiology, Pathogens, Diseases

Mud Blister Worms and Oyster Aquaculture

Northeastern U.S. Aquaculture Management Guide: A manual for the identification and management of aquaculture production hazards

Dead and Dying Shellfish: What to Do?

Oyster Diseases of the Chesapeake Bay: Dermo and MSX Fact Sheet

Harmful Algae and Marine Aquaculture in the Northeastern United States

Exploring Options to Reduce Polydora Infestations on Maine Oyster Farms

Juvenile Oyster Disease of Eastern Oysters

Factors Affecting Health of the Oyster

Roseovarius Oyster Disease

MSX Disease

Species

Key Ideas

Results

Maine Aquaculture Harvest, Lease, and License (LPA) Data

Resources for Growers

Disinfection for used shellfish equipment

Biosecurity on the Farm - Guidelines & Resources for Developing a Biosecurity Plan

Biofouling Prevention and Management in the Marine Aquaculture Industry

How to Recognize and Treat a Shell-Boring Marine Worm Pest in Oyster Aquaculture

Biofouling in Shellfish Aquaculture

Rookie Mistakes

Oyster Production Equipment Comparisons 2016–2018

Biofouling Control Strategies: A Field Guide for Maryland Oyster Growers

Potential Gear Coatings as a Mitigation Technique for Invertebrate Predators of Aquacultured Eastern Oysters (Crassostrea virginica)

Research, Development and Education Priorities for the Aquaculture Sector in Maine

Kennebec River Biosciences

Shellfish Biosecurity: Risks, Management & Best Practices Bivalve Shellfish Physiology, Pathogens, Diseases

Mud Blister Worms and Oyster Aquaculture

Northeastern U.S. Aquaculture Management Guide: A manual for the identification and management of aquaculture production hazards

Dead and Dying Shellfish: What to Do?

Oyster Diseases of the Chesapeake Bay: Dermo and MSX Fact Sheet

Harmful Algae and Marine Aquaculture in the Northeastern United States

Exploring Options to Reduce Polydora Infestations on Maine Oyster Farms

Juvenile Oyster Disease of Eastern Oysters

Factors Affecting Health of the Oyster

Roseovarius Oyster Disease

MSX Disease