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Freshwater Fish Supercharge their Ability to See Infrared Light?
Salmon migrating from the open ocean to inland waters do more than swim upstream. To navigate the murkier freshwater streams and reach a spot to spawn, the fish have evolved a means to enhance their ability to see infrared light. Humans lack this evolutionary...
Tilapia: A Nutritious, Environmentally Friendly Fish
Often dubbed the ‘aquatic chicken’, farmed tilapia is now a staple in many parts of the world. A healthy source of protein, micronutrients and essential fatty acids, tilapia is now the fourth most consumed fish in the US and it is farmed extensively...
Marine Animals Use New Form of Secret Light Communication
Researchers from the Queensland Brain Institute at The University of Queensland have uncovered a new form of secret light communication used by marine animals....
3-D Printed Parts from Some Commercial Devices Toxic to Zebrafish Embryos
The recent boom in 3-D printing has driven innovations in fields as disparate as haute couture and medical implants....
Utilisation of Feed Resources in Norwegian Atlantic Salmon Production
This article shows the retention efficiency of nutrients from feed resources to final product in Norwegian salmon production, including limiting resources such as the omega-3 fatty acids EPA and DHA and phosphorous. It is highly relevant to compare the...
Nutrient Profiles of Rotifers and Rotifer Diets in Marine Fish Hatcheries
Cultured marine fish larvae are most often fed rotifers (Brachionus sp.) the first few weeks after first-feeding. However the nutritional value of rotifers is generally inferior to the natural diet of marine fish larvae which is comprised of zooplankton,...
Fish Skin Provides Invisibility in Open Ocean
Scientists have solved a longstanding mystery about how some fish seem to disappear from predators in the open waters of the ocean, a discovery that could help materials scientists and military technologists create more effective methods of ocean camouflage....
Exopolymers in Hatcheries: An Overlooked Factor in Hatchery Hygiene and Feed Quality
Extracellular Polymeric Substances (EPS),1 or exopolymers, play vital roles in the productivity of commercial hatcheries, yet have received little attention in aquaculture outside of their role in the biofilters of recirculating systems, write A. Joycea...
Genetic and Non-Genetic Effects for Harvest Weight in the GIFT Nile Tilapia
The main objective of this study by Hooi Ling Khaw et al, Wageningen University, Netherlands, is to quantify the genetic and non-genetic indirect effects for harvest weight in the GIFT strain of Nile tilapia....
Bacillus Probiotics Improve Hatchery, Nursery Production In EMS-Hit Mexico
In early 2014, a trial to evaluate the effects of a mixture of Bacillus strains on early mortality syndrome bacteria during the larviculture and nursery phases for shrimp was carried out at a commercial hatchery in Mexico, write Oliver Decamp et al, INVE...
Domestic or Imported? An Assessment of Seafood's Carbon Footprints and Sustainability
Research by Anna K. Farmery et al, University of Tasmania, Australia, has found that the distance seafood is transported is not the main determinant of food sustainability. Despite the increased distance between production and consumption, carbon footprints...
Attractability of Probiotic-Coated Shrimp Feed
Research by Phuthongphan Rattayaporn, Srianek Patipon, Roeland Wouters, Geert Rombaut and Olivier Decamp, INVE Aquaculture, discovered increased palatability of shrimp feed when it was coated with a specific probiotic....
Chemistry of Oxidative Disinfectants
This article will show different behaviours of oxidative disinfectants in corrosivity and efficacy under soiled conditions....
Effect of Salting on the Nutritive Value of Catfish
This article by Dr Abdel Raheam H. A. El-Bassir and colleagues from Sudan explores the effects of preserving fish using salt on its nutritional properties....
Tilapia Markets in Sub-Saharan Africa
Sub-Saharan Africa presents a solid marketing opportunity for tilapia producers, processers and traders, particularly in view of the dwindling nature of traditional sources of fish, population growth, and rising incomes. However, it is important to first...
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