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Technical Characteristics and Economic Performance of Tilapia Hatcheries Applying Different Management Systems in Egypt
This study by Ahmed Mohamed Nasr-Allah et al, WorldFish, Egypt, was carried out in order to understand the technical and economic characteristics of different Egyptian Nile tilapia (Oreochromis niloticus) hatchery systems. ...
DHA Content in Dietary Phospholipids Affects DHA Content in Phospholipids of Cod Larvae and Larval Performance
The objectives of this study by Yngvar Olsen et al, Norwegian University of Science and Technology, Norway, were to examine if early cod larvae could incorporate long-chain highly unsaturated fatty acids like docosahexaenoic acid (22:6 n-3, DHA) from...
FAO Report: Fisheries and Aquaculture Markets in the Middle East
This article from the FAO Globefish Highlights report will provide an overview of production, consumption and consumer trends as well as trade in the Middle East, concluding with summary findings on opportunities and challenges in the region. The Middle...
Evaluating Relationships between Wild Skeena River Sockeye Salmon Productivity and the Abundance of Spawning Channel Enhanced Sockeye Smolts
The enhancement of salmon populations has long been used to increase the abundance of salmon returning to spawn and/or to be captured in fisheries....
The Development of a Formulated Feed Containing Ulva to Promote Rapid Growth and Enhanced Production of High Quality Roe in Sea Urchins
This study by Mark Cyrus et al, University of Cape Town, South Africa, investigated growth and gonad production of Tripneustes gratilla fed four protein-rich artificial diets supplemented with varying amounts of the macroalga Ulva over a 12-week period....
Streptomyces Alboflavus RPS and its Novel and High Algicidal Activity Against Harmful Algal Bloom Species Phaeocystis globosa
Harmful algal blooms (HABs) have become serious marine environmental disasters, and are spreading all around the world, threatening marine organisms and human health, and limiting economic development in fisheries, aquaculture, and tourism, writes Tianling...
Longer Catch-and-release Time Leaves Largemouth Bass Nests More Vulnerable to Predators
During spawning season, a largemouth bass male attentively guards its nest. Recent research at the University of Illinois found that catch-and-release angling could give bass predators the perfect opportunity to consume the young. In fact, the time spent...
On-farm Feeding and Feed Management in Aquaculture
This FAO technical paper, edited by Mohammad R. Hasan, Aquaculture Officer, FAO, provides a comprehensive review of on-farm feeding and feed management practices in aquaculture. ...
PmVRP15, a Novel Viral Responsive Protein from the Black Tiger Shrimp Promoted White Spot Syndrome Virus Replication
White spot syndrome, caused by the white spot syndrome virus (WSSV), is the most serious viral disease in penaeid shrimps causing 100 per cent mortality post infection. In the last two decades outbreaks of this virus in commercial shrimp aquaculture farms...
Alternative Mating Strategies in Male Morphotypes of the Prawn Macrobrachiumidellaidella
Soundarapandian. P and Varadharajan. D, Annamalai University, India, evaluate the relative reproductive potential of male morphotypes of M. idellaidella by examining their mating strategy is close quarter in an aquarium. ...
Determining Ovarian Maturity in Farmed Sturgeon for Caviar Production Using Fourier Transform Infrared Spectroscopy
Ovarian maturity of white sturgeon farmed in California (Sterling Caviar, LLC) (N=400) and Idaho (Fish Breeders and Blind Canyon Aqua Ranch) (N=143) was determined by correlating blood plasma spectral features with oocyte polarization index, an index...
Pawpaw Seeds Powder in Nile Tilapia Diets: 2 Liver Status, Sexual Hormones and Histological Structure of the Gonads
Tilapia species constitute a major and important item in Egyptian fish farming. It displays many favourable attributes as culture species, on the basis of its general hardness, resistance to diseases, high yield potential and ability to grow on a wide...
Quantifying Barotrauma Risk to Juvenile Fish During Hydro-turbine Passage
Marshall C. Richmond et al, Pacific Northwest National Laboratory, US, introduce a method for hydro turbine biological performance assessment (BioPA) to bridge the gap between field and laboratory studies on fish injury and turbine engineering design....
Post-Surgical Analgesia in Rainbow Trout: Is Reduced Cardioventilatory Activity a Sign of Improved Animal Welfare or the Adverse Effects of an Opioid Drug?
This study by Albin Gräns, Erik Sandblom, Anders Kiessling and Michael Axelsson, University of Gothenburg, Sweden, assessed the effects of an opioid drug, buprenorphine (0.05 mg/kg IM), on resting ventilation and heart rates during 7 days of postsurgical...
Effect of Different Sources and Levels of some Dietary Biological Additives on: IV- Immunity and Haematology of Nile Tilapia Fish
This study by A. M. Abdelhamid et al, Al-Mansourah University, Egypt, aimed to investigate the effect of dietary graded levels of three pre-and probiotics on the immunity and haematology of all-males mono-sex Nile tilapia fish. ...
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