Feature Articles

Thinking Out of the Box: Exploring Strategies to Reduce Sea Lice Infestations in Salmon Farms

Fisheries and Oceans Canada (DFO) researchers and their research partners are investigating alternate solutions for reducing sea lice infestations that can plague salmon farms. Salmon farms can provide particularly good conditions for the growth and transmission of sea lice, including host availability, ideal salinity and temperature. If an infestation is severe enough, it may stress and eventually kill the fish.

Fisheries and Oceans Canada’s National Aquatic Animal Health Laboratories Attain International Accreditation
National Capital Region

Safeguarding Canada’s reputation for high-quality fish and seafood—as well as the livelihoods of those who work in the industry—depends on the ability to deliver accurate, reliable, and consistent test results for detecting aquatic animal diseases.

Fisheries and Oceans Canada Validates Diagnostic Tests for Detecting Cyprinid Herpesvirus 3 in Common Carp and Koi
National Capital Region

Carp account for more than 70 percent of the farmed freshwater fish production in the world, with most of the carp aquaculture occurring in Eastern Europe and Asia. In recent years, however, world production of Common Carp (Cyprinus carpio L)—including ornamental koi—has taken a significant hit from cyprinid herpesvirus 3 (CyHV-3), which is responsible for the highly contagious koi herpesvirus disease (KHVD). According to the Food and Agriculture Organization of the United Nations, the disease has had a significant negative impact on a key food source as well as employment in many countries.

Fisheries and Oceans Canada Develops a Faster Testing Method for Infectious Salmon Anemia Virus
National Capital Region

At the Gulf Fisheries Centre in Moncton, New Brunswick, Fisheries and Oceans Canada (DFO) research scientist Dr. Mark Laflamme and his research team have developed a faster way to detect Infectious Salmon Anemia virus (ISAv) by combining the best characteristics of two different diagnostic testing techniques. DFO’s Centre for Aquatic Animal Health Research and Diagnostics funded the development of the new testing procedure in support of the National Aquatic Animal Health Program.

Molecular Diagnostic Screening Enables Simultaneous Detection of the Shellfish Parasites Bonamia ostreae and Bonamia exitiosa
National Capital Region

As a member of the World Trade Organization, Canada is required to ensure that imports and exports of fish and seafood products are free of infectious aquatic pathogens (disease-causing agents). In Canada, this responsibility falls to the National Aquatic Animal Health Program (NAAHP), which is co-delivered by Fisheries and Oceans Canada (DFO) and the Canadian Food Inspection Agency (CFIA).

Underwater sound quest
National Capital Region

At the end of 2012, an unprecedented scientific expedition took place at the Maurice Lamontagne Institute in Mont-Joli, Quebec. Fisheries and Oceans Canada researchers deployed an underwater acoustic observatory station in the Gulf of St. Lawrence that continuously captured the noise radiating from ships.

Studying the Environmental Impact of Small Craft Harbours

With hundreds of public and private marinas and small craft harbours dotting the British Columbia coast, it is no wonder that most residents don’t give them too much thought. They are just another part of the geography and landscape of this part of Canada.

Tracking the Titans: Research on Endangered Leatherback Turtles Informs a Recovery Strategy

In the wee hours of the morning on March 22, 2014, there is no sleep for Fisheries and Oceans Canada sea turtle biologist Dr. Mike James. Instead, he monitors his laptop screen for updates on the location of a Leatherback Turtle as it nears the coast of the Caribbean island of Trinidad. Seven months earlier, in August 2013, Dr. James and his team captured the same turtle feeding off the coast of Cape Breton Island, Nova Scotia, and equipped it with a satellite tag to track its movements in Canadian waters and its subsequent journey to the tropics.

Aquatic Barcoding

There isn’t a shopper alive who doesn’t know what a barcode looks like. We see them on virtually everything we buy – labels with distinct series of vertical bars and white spaces of varying widths. The labels are read with a scanner, which measures reflected light and translates the coding into numbers and letters that are passed on to a computer. Barcodes track just about everything there is to know about a product and its status in the supply chain.

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