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How to Maintain Good Water Quality on Your Tilapia Farm
Good water quality on tilapia farms depends on a suitable environment to promote growth. Such an environment can be achieved by maintaining the correct balance between feed input and the assimilative capacity of the water. However, the more fish that...
Differences in Metabolic Rates of Exploited and Unexploited Fish Populations
In a paper published June 3, 2015 in the online journal PLOS ONE, University of Connecticut researchers Jan-Michael Hessenauer and Jason C. Vokoun, both in the Department of Natural Resources and the Environment, report on fisheries induced evolution...
Piscine Reovirus (PRV): An Underestimated Pathogen in the Scottish Salmon Industry?
In recent years, piscine reovirus has emerged as a pathogen of interest to European salmon producers. The complete spectrum of effects that this virus has on infected fish is not yet fully understood, making it difficult to ascertain the full implications...
Fish Born in Larger Groups More Sociable
A new study from The University of Cambridge shows that cichlid fish reared in larger social groups from birth display a greater and more extensive range of social interactions....
The Role of Women in the Seafood Industry
One in two seafood workers is a woman. This worldwide desktop study by the FAO, the first of its kind, presents what is known, and what remains to be investigated in this crucial component of the seafood industry....
GM in Aquaculture
The use of genetically modified organisms in the food industry is a highly controversial topic. In this article, for TheFishSite, Sam Andrews discusses the sustainability aspects of GM in aquaculture but also the questions around what negative effects...
Water Quality a Priority for Successful Aquaculture
Water quality is very important in fish farming as poor quality water can effect the health and growth of the fish. It is important that farmers pay attention to the water's chemical and physical factors....
Polystyrene Nanoparticles Affect Fish Behaviour and Metabolism
Fish fed polystyrene nanoparticles are less active and show changes to their brains and metabolism, according to a study by Swedish and Danish researchers. The findings suggest that nanoparticles in the environment could have a major impact on fish...
Mate Competition Weeds out GM Fish from Population
Purdue University research has discovered that wild-type zebrafish consistently beat out genetically modified Glofish in competition for female mates, an advantage that led to the disappearance of the transgene from the fish population over time....
Coastal, Fishing Lights Found to Alter Marine Ecosystems
Marine ecosystem composition can be changed by night-time artificial lighting from coastal communities, shipping and offshore infrastructure, according to new research....
How to Control Microsporidian Parasites in Shrimp Farms
A type of microsporidian parasite is severely affecting aquaculture in Asia. This report by Dr Stephen Newman addresses best practice in reducing the pathogen. Taken from the Global Aquaculture Advocate, a Global Aquaculture Alliance publication....
Warm-Blooded Fish Swim Further and Faster
Fish species capable of warming their body core are able to swim two and a half times faster than those whose body temperature does not change, according to a study from the University of California, Santa Barbara and other institutions....
Effects of Carp on Nutrient and Food Web Dynamics in Aquaculture ponds
The dynamics of common carp influences on the environment and ecology in polyculture ponds are unclear, so this study by Mohammad Rahman looked at the effects of various stocking densities of common carp on the dynamics of nutrients, phytoplankton, zooplankton...
Effect of Stocking Large Channel Catfish in a Biofloc Technology Production System
The stocking rate of channel catfish in aquaculture can affect production, but what effect does it have on the development of off-flavours in fish flesh? This study by Bartholomew Green and Kevin Schrader from the US Department of Agriculture aimed to...
World Governments Must Take Action to Protect Ocean Economy
Governments around the world must take action to safeguard the contributions of the oceans to the global economy, which are valued at $24 trillion, according to this report from the WWF: 'Reviving the Ocean Economy - The Case for Action - 2015'....
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