Bacterial diseases

Shrimp farming provides many livelihoods in Sundarbans, a region of river deltas in eastern India, but natural disasters, diseases and low prices are taking their toll.

Robins McIntosh reflects on a year that’s seen continued challenges for shrimp exporters, an increase in bacterial diseases… and the experience of being caught up in a student uprising that overthrew a government.

A new study suggests that an enzyme sourced from bacterial fermentation and a humic substance extracted from peat moss can both help to improve the health of farmed catfish, offering hope of an affordable means for reducing columnaris disease.

This review details recent findings relating to EHP infection in shrimp farms, including how it affects shrimp immunology, digestion, metabolism, physiology and growth.

After leading a management buyout of Spring Genetics from Benchmark, Hideyoshi Segovia Uno is working hard to help ensure the international tilapia sector – particularly in Latin America (LATAM) – succeeds, in the face of a raft of emerging challenges.

Streptococcus agalactiae and S. iniae are two of the most devastating bacteria to impact the warm freshwater fish farming sector around the world – causing diseases that can lead to 80 percent mortalities. Here we describe the bacteria, their…

Chilean biotech startup Aquit is developing a preventative treatment against infections in fish that boosts natural immunity, improves survival rates and replaces the need for antibiotics, according to CEO Daniela Allerbon

Shrimp farmers in Indonesia are increasingly turning to UV treatment as an alternative to chemical options for significantly reducing the presence of Vibrio in their ponds.

While the slow intensification of shrimp farming appears to be working in Latin America, Ecuadorian producers should be wary of the Asian example, where even heavy investments in new technologies have failed to counter problems caused by historic overstocking.…

The last 12 months have proved testing for Malaysia’s shrimp and crab farmers, with a number of new entrants going out of business, but a pivot towards the live market has provided a lifeline for Yit Tung, founder of RAS Aquaculture.

Libyan-based Dr Jamila Rizgalla, head of the Department of Aquaculture at the University of Tripoli, talks about her journey into the aquaculture sector and how she is working to progress aquaculture development in her country

Nitrite is both toxic and inevitably present in all closed aquaculture systems, so it’s essential for farmers to understand where it comes from and how it can be managed.

Next generation sequencing technologies and metagenomics are proving their worth among early aquaculture adopters – in particular RAS operators – according to Matthew Pope, founder and managing director of Esox Biologics.

Although monodon production is now dwarfed by vannamei farming, the species is tipped to make a comeback, with many Asian farmers realising that it could be a lucrative low density alternative to intensive vannamei production.

Blue Pond Group has developed a range of seaweed-based feed supplements that reduce the prevalence of EHP, WFS and EMS in shrimp farming, according to Mauricio Castillo, its CEO and founder.

The first experimental batch of a vaccine that should help Colombia’s tilapia farmers combat the new serotype strain of Streptococcus agalactiae that has recently been reported in the region arrived in the country last week.

Ten years after returning to Vietnam, Loc Tran, founder and CEO of ShrimpVet, is looking for ways to help farmers adopt more progressive and efficient practices in order to survive the current downturn in shrimp prices.

Robins Macintosh makes a compelling case for the merits of faster growing shrimp lines, countering the widespread belief that strains which have been selected purely for growth are always likely to have lower rates of survival.

Using a multi-phase shrimp farming system, which includes an intermediary nursery stage between hatcheries and grow-out ponds, can increase productivity, reduce the time to harvest and improve farm management.