Articles tagged with Aquaculture
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Researchers found that reducing fishmeal in farmed fish diets leads to lower health and growth. The cobia fed with reduced fishmeal had higher levels of metabolites linked to physical stress and lower levels of primary energy sources. In contrast, the diet with full fishmeal showed more normal growth and energy production.
A new report by the University of Victoria finds that most eco-labels for farmed marine fish offer less than a 10% improvement in environmental performance compared to conventional practices. The study evaluates 20 eco-labels, ranking them based on numerical scores derived from a well-established quantitative methodology.
A new study reveals that concentrated fish farm waste plumes do not consistently dilute immediately in open water. The research found that tides, currents, and the earth's rotation can dramatically affect how far waste plumes travel from their source.
At Newcastle University, a team led by Professor Selina Stead is investigating the potential of sea cucumbers as natural cleaners on fish farms, reducing waste's impact on ocean floors. The project aims to develop organic farming methods for both sea cucumber food and eco-friendly aquaculture.
USDA researchers are developing new fish feeds with lower levels of fishmeal and fish oil, replacing traditional sources with concentrated plant proteins. The alternative diets show promise in supporting the growing demand for fish as a lean protein source, while promoting sustainability in aquaculture production.
USDA-funded scientists in Hawaii have developed new fish feeds using discarded fish parts that can attract shrimp and boost their growth, similar to studies on Alaskan pollock and cod. Researchers are now refining these practical feeds for nutritional balance, cost-effectiveness, and environmental safety.
A Spanish company, Isidro De La Cal-Fresco, has developed a breeding method for the blackspot seabream using EUREKA funding. They have created a commercial diet, Besugo Power, which helps fish grow quicker and healthier, making it possible to produce the fish at a competitive price.
To address global food security challenges, researchers recommend embracing agricultural biotechnology, aquaculture, and crop breeding to improve yields in dry areas. They also suggest using nitrogen more efficiently to reduce water pollution and greenhouse gas emissions.
Researchers at Florida Atlantic University's Harbor Branch Oceanographic Institute develop novel seeding techniques to produce beaded and non-beaded cultured pearls from the queen conch. The breakthrough enables more efficient and environmentally sustainable culturing of this commercially threatened species.
A T-STAR grant has funded genetic studies on Pacific white shrimp, papaya cultivars and endangered Cycas micronesica cycad. The research aims to improve disease tolerance and pollination processes, supporting aquaculture and conservation efforts.
Recent research advancements reveal new techniques for studying leaf development, while also exploring the potential benefits of aquaculture when practiced sustainably. Large wetlands provide vital ecosystem services, including carbon cycling and freshwater supply, making them crucial for conservation planning.
The UM Rosenstiel School students' innovative sustainable aquaculture concept, focusing on producing and selling valuable bait fish, has been recognized as a top prize winner. The students took home $8,000 for their project, which aims to promote environmentally friendly fishing practices.
New research uncovers factors triggering sex reversal in black sea bass, a key challenge for aquaculture. By studying hormones and enzymes, scientists aim to control sex change and improve breeding outcomes.
The study highlights substantial risks of farm salmon escapes into the North Atlantic and other regions, threatening native fish populations. Escapes lead to interbreeding, loss of fitness, and genetic diversity, as well as parasite transmission to wild stocks.
Researchers in Hawaii have developed a way to grow the complete life cycle of long ogo, an edible red seaweed, without needing to harvest starter plants from the ocean. The sustainable system for growing fresh long ogo is unique in the United States and provides additional income for 40 farmers.
The Florida Sea Grant is supporting research to develop more efficient methods for raising marine ornamental fish, such as angelfish and anemonefish. This focus on sustainable aquaculture aims to reduce the industry's impact on coral reefs and promote environmentally friendly practices.
A team of researchers, government agencies, and private companies test a sustainable, environmentally friendly open ocean aquaculture industry in the Gulf of Mexico. The project utilizes innovative technologies, such as a single-point mooring system and automated innovations like a remote camera and satellite tracking system.
A study by Purdue University estimates that farmers can cut excess nitrogen flow by 20-25% using various methods, such as improved fertilizer management and wetland reconstruction. This reduction is crucial to eliminate the hypoxic zone in the Gulf of Mexico, which affects marine life and water quality.
The institution has trained nearly 300 fishermen and helped them establish businesses in hard clam aquaculture. Graduates receive state-owned land leases, equipment, and seed to support their operations.
The Florida Marine Aquaculture Industry Development (MAID) Workshop aims to prioritize species for marine food fish aquaculture in Florida, focusing on production systems, markets, and regulations. The event also explores entrepreneurial and research opportunities for the industry.