Showing results for: aquaculture oxygen News
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Prevent Springtime Fish Deaths on Your Aqua Farm
As spring approaches, it is important to be prepared for springtime diseases and dissolved oxygen loss on your aqua farm. Abrupt temperature changes, decreased oxygen levels, and bacteria are all factors leading to springtime fish deaths, but they can mostly be prevented or alleviated. Why Are My Fish Dying? Fish have decreased appetites during the winter and the lesser amount of food intake ...
By Aquasend
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New Study Highlights Need to Broaden Environmental Monitoring at Fish Farms
As humans we don’t often think about how much oxygen is contained in the air because there is always more than enough for us to breathe. Underwater things are a little different. Oxygen concentrations are constantly changing due to changes in temperature, salinity, wind and currents. Fish take up oxygen over their gills and have minimum oxygen requirements that must be met for them to ...
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EPA orders foster poultry farms to stop discharging pollutants into Louisiana waters
On January 26, 2012, the EPA inspected the hatchery and found unauthorized discharges of pollutants from its process wastewater lagoon to an unnamed tributary of Leatherman Creek. Leatherman Creek drains into Black Creek Bayou and it in turn drains into the Red River. “A chicken hatchery should be raising chickens not pollution levels in nearby rivers,” said EPA Regional ...
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How to Find the Best Fish Feed Mills for Your Aqua Farm
Fish Feed Mills An important part of aqua farming is choosing a fish feed manufacturer, or manufacturers, to supply the food for your stock. If you’re an established farmer, you most likely already have fish feed mills that you partner with for your fish feed needs. Even if you do have regular feed suppliers, it is still a good idea to take a step back and evaluate the quality, ...
By Aquasend
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Farmer fined for polluting stream with slurry
A Dorset farmer has been ordered to pay £16,339 in fines and costs for polluting a tributary of the River Divelish with slurry. The case was brought by the Environment Agency. The pollution was first discovered during a routine inspection of the river on September 20, 2012. Agency officers traced it to Lowbrook Farm, Belchawell near Blandford Forum run by dairy farmer Clifford Yeatman. ...
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What are the impacts of fish-farming on marine ecosystems?
New EU-supported research in the Mediterranean Sea has assessed the impact of fish-farming on seafloor ecosystems. Results indicate that impacts are only apparent in habitats with no vegetation, but the researchers suggest that habitats with vegetation seagrass could be masking the effects. The EU Marine Strategy Framework Directive 2008/56 1 aims to achieve good environmental status of the EU's ...
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How Phytoplankton and Harmful Algal Blooms Affect Fish Health
Phytoplankton are microorganisms that influence the entire aquatic food chain. Due to photosynthesis, they are also a huge consumer of carbon dioxide (CO2), and are the main oxygen producers in most aquatic environments. The right balance of phytoplankton is extremely beneficial and necessary for fish health; however, an overabundance of these microorganisms can be deadly. This article will look ...
By Aquasend
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Finding the Optimal Feeding Times for Your Aqua Farm
You probably already know that fish diets require specific nutrients, in specific forms, for their bodies to properly digest and utilize. But have you thought about or decided what time of day you are going to feed your fish? Or how many times a day? If you have a large farm with many ponds spread across long distances, how are you going to make sure all your fish get fed the right amount of ...
By Aquasend
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