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Influence of Food Supply on the Response of Olympia Oyster Larvae to Ocean Acidification
Increases in atmospheric carbon dioxide drive accompanying changes in the marine carbonate system as carbon dioxide enters seawater and alters ocean pH. As such changes do not occur in isolation, and other environmental factors have the potential to modulate...
Adjusting Water Discharge Can Boost Salmon Productivity
By adjusting water discharges in ways designed to boost salmon productivity, officials at a dam in central Washington were able to more than triple the numbers of juvenile salmon downstream of the dam over a 30-year period, according to a study published...
Biosecurity on the Farm – Guidelines & Resources for Developing a Biosecurity Plan
Aquatic farmers face enormous pressure from native and exotic disease-causing organisms, or pathogens. Infection and disease can invade from multiple sources–water, wild fish or shellfish, newly-introduced farmed fish or shellfish, contaminated equipment,...
Risk Factors Associated with Increased Mortality of Farmed Pacific Oysters in Ireland during 2011
The Pacific oyster, Crassostrea gigas, plays a significant role in the aquaculture industry in Ireland. Episodes of increased mortality in C. gigas have been described in many countries, and in Ireland since 2008, write Tracy A. Clegg et al, UCD Centre...
Current Fishery Statistics of the United States 2012
This publication, released in 2013, is a preliminary report for 2012 on commercial and a final report for recreational fisheries of the United States with landings from the US territorial seas, the US Exclusive Economic Zone (EEZ), and on the high seas....
Effect of Different Sources and Levels of some Dietary Biological Additives on Growth Performance and Production Economy of Nile Tilapia
In part one of three, A.M. Abdelhamid, Mansoura University, Egypt, aims to investigate the effect of dietary graded levels of Aqua Superzyme, Garlen Allicin, and Diamond V (Original XPC) on the growth performance and economic production of Nile tilapia...
Ocean Acidification and Responses to Predators: Can Sensory Redundancy Reduce the Apparent Impacts of Elevated CO2 on Fish?
Previous studies have documented that exposure to elevated Carbon dioxide (CO2) causes impaired antipredator behavior by coral reef fish in response to chemical cues associated with predation. However, whether ocean acidification will impair visual recognition...
Comparative Study of the Reproductive Performance and White Spot Syndrome Virus Status of Black Tiger Shrimp Collected from the Bay of Bengal
A comparative study, by Partho Debnath, Manjurul Karim and Ben Belton, Worldfish, assessed the length, weight, fecundity, hatching rate and White Spot Syndrome Virus (WSSV) prevalence in black tiger shrimp (Penaeus monodon) broods collected from shallow...
Vanishing Clams on an Iberian Beach: Local Consequences and Global Implications of Accelerating Loss of Shells to Tourism
Multi-decadal increase in shell removal by tourists, a process that may accelerate degradation of natural habitats, was quantified via two series of monthly surveys, conducted thirty years apart (1978–1981 and 2008–2010) in one small embayment on...
An Overview of the Current Status of Feed Management Practices
This FAO technical paper presents an overview of the current status of feed production and on-farm feed management practices. It reviews some of the major issues and constraints in optimizing feeds and on-farm feed management practices. ...
Fish to 2030: Prospects for Fisheries and Aquaculture
This WorldBank report offers a global view of fish supply and demand into 2030, based on trends in each country or group of countries for the production of capture fisheries and aquaculture and the consumption of fish, driven by income and population...
Successful High-level Accumulation of Fish Oil Omega-3 Long-chain Polyunsaturated Fatty Acids in a Transgenic Oilseed Crop
Scientists from Rothamsted Research have successfully developed Camelina sativa oilseed plants to accumulate high levels of Omega-3 oils EPA and DHA in their seeds. This work has generated a terrestrial sustainable sources of fish oils. ...
Semi-Intensive Culture of Tilapia in Concrete Ponds in Palo Blanco, Peru
Tilapia production is increasing around the world. Here Moises Diaz Barboza et al, National University of Trujillo, Peru, investigated the results of mechanising the farming of tilapia in ponds in Palo Blanco (Cascas, La Libertad, Peru). ...
Exploring the Potential of Norwegian Salmon Exports to South Africa
In a new research project Nofima will investigate the possibilities for increased export of salmon to South Africa, write Morten Heide, Finn-Arne Egeness, Geir Sogn-Grundvåg and Pirjo Honkanen, Nofima....
Whirling Disease Dynamics: An Analysis of Intervention Strategies
Whirling disease (WD), a severe and widespread disease of salmonids, is caused by the myxosporean parasite Myxobolus cerebralis, write Kimbra G. Turner, et al, University of Notre Dame, USA....
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