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Tilapia Could Enhance Water Conditions, Help Control EMS in Shrimp Ponds
Anecdotal reports have indicated polyculture and biofloc systems can reduce outbreaks of diseases at shrimp farms. A laboratory study at the University of Arizona examined the effects of tilapia in controlling acute hepatopancreatic necrosis (AHPN) infection...
Overview of Chile's Fisheries and Aquaculture Sector - February 2014
This article presents a brief summary of Chile's fisheries and aquaculture sectors. It also addresses the main institutions and guilds since the time when there were no regulations until now, where overfishing has lead to the need for regulations through...
Uncovering Solutions to Drive Ecologically Sound and Commercially Viable Models for Aquaculture
This report by Future of Fish (FoF) represents the first stage of an approach solving complex systemic problems in aquaculture. The insights gleaned through this research and analysis will allow FoF to recruit and convene a working group of entrepreneurs,...
Effect of Sangrovit WS on Growth, Survival and Prevention of Vibrio harveyi in Pacific White Shrimp
This study by Tirawat Rairat, Niti Chuchirdl and Chalor Limsuwanl, Kasetsart University, Thailand, revealed the benefit of Sangrovit WS, a natural plant feed additive, in anti-inflamatory and antimicrobial activities in shrimp and its effectiveness in...
Social and Economic Dimensions of Carrageenan Seaweed Farming
This FAO document attempts to provide a balanced assessment and comparison of the social and economic performance of carrageenan seaweed farming in different countries. Various issues related to seaweed–carrageenan value chains are highlighted. The...
Suspended Solids Effects In Shrimp Biofloc Systems
The use of biofloc systems for shrimp culture requires monitoring of water quality parameters, particularly suspended solids levels, writes Carlos Gaona et al, Universidade Federal do Rio Grande. Taken from the Global Aquaculture Advocate, a Global Aquaculture...
Atlantic Cod Actively Avoid CO2 and Predator Odour, Even After Long-term CO2 Exposure
The rising atmospheric CO2 level is continuously driving the dissolution of more CO2 into the oceans, and some emission scenarios project that the surface waters may reach 1000 ?atm by the end of the century, write Fredrik Jutfelt and Maria Hedgärde,...
Dietary Potassium Diformate (KDF) Improves Performance of Milkfish from Mariculture in the Philippines
The milkfish is the most important cultured fish species in the Philippines. In 2011, almost 373,000 t milkfish were produced there (FAO, 2013), around 42% of its entire world production, write Christian Lückstädt, Kai-Jens Kühlmann and Karsten Schroeder,...
Harmful Effects on Toxin Dinoflagellates in Shrimp Culture Ponds
Phytoplankton are the key food item in both aquaculture and mariculture. Both systems are utilizing phytoplankton as food for the animals being farmed. In aquaculture, phytoplankton must be obtained and developed artificially through various adapted procedures,...
Flatfish Conditioning for Stock Enhancement
For stock enhancement, the ideal end product is an individual that can survive in the wild until maturity. Conditioning fish for stock enhancement can increase survival and recapture rates, writes Michelle L. Walsh, University of New Hampshire. Taken...
Evaluation of Growth Performance, Feed Utilization Efficiency and Survival Rate of Juvenile Nile Tilapia, Reared at Different Water Temperature
Kassaye Balkew Workagegn, Hawassa University, Ethiopia, conducted this study to investigate the growth performance, feed utilization efficiency and survival rate of juvenile Oreochromis niloticus reared in aquaria at different water temperature....
Elevated CO2 Affects Embryonic Development and Larval Phototaxis in a Temperate Marine Fish
As an effect of anthropogenic CO2 emissions, the chemistry of the world’s oceans is changing. Understanding how this will affect marine organisms and ecosystems are critical in predicting the impacts of this ongoing ocean acidi?cation, write Elisabet...
Salt Stratification Determines the Fate of Fish Stocks in the Baltic Sea
In the Baltic Sea, two cod stocks evolve independently. Also the juveniles of two economically important flatfish species, flounder and plaice, live there within limited space. This is possibly due to the irregular distribution of water masses of different...
Effect of Different Sources and Levels of Some Dietary Biological Additives on:III- Body Composition of Nile Tilapia Fish
In part three 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 chemical composition and histology of all-males mono-sex...
Developing Ultraviolet Illumination of Gillnets as a Method to Reduce Sea Turtle Bycatch
Fisheries bycatch of marine animals has been linked to population declines of multiple species, including many sea turtles. John Wang et al, University of Hawaii, examined the effectiveness of illuminating gillnets with ultraviolet (UV) light-emitting...
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