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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. ...
Tissue-Specific Fatty Acids Response to Different Diets in Common Carp
Fish depend on dietary fatty acids (FA) to support their physiological condition and health. Exploring the FA distribution in common carp (Cyprinus carpio), one of the world's most consumed freshwater fish, is important to understand how and where FA...
Hypoxia and Acidification Have Additive and Synergistic Negative Effects on the Growth, Survival, and Metamorphosis of Early Life Stage Bivalves
Low oxygen zones in coastal and open ocean ecosystems have expanded in recent decades, a trend that will accelerate with climatic warming. Christopher J. Gobler et al, Stony Brook University, US, experimentally assessed the consequences of hypoxic and...
Substitution of Dietary Fish Oil with Plant Oils is Associated with Shortened Mid Intestinal Folds in Atlantic Salmon
Torfinn Moldal et al, Norwegian Veterinary Institute, investigated the intestinal health in Atlantic salmon fed with different vegetable oils as partial substitutes of fish oil in the diet....
Fishmeal-Free Feeds for Hybrid Tilapia
A series of experiments showed that fishmeal is not an essential ingredient in tilapia feeds and that plant protein-based diets can yield results similar to those obtained with diets containing 10 per cent fishmeal, write Nathan Gur and Guy Rubinstein,...
Potential for Understanding Anti-bacterial Resistance
Biologists could gain a deeper understanding about how species have evolved – and even find ways to address antibiotic resistance – using tools that were developed recently at Stockholm's KTH Royal Institute of Technology....
Fisheries in Transition: Food and Nutrition Security Implications for the Global South
Fisheries and fish supply are undergoing a fundamental structural transition, as indicated by a ten country analysis. Aquaculture now provides around half the fish for direct human consumption and is set to grow further, but capture fisheries continue...
Characterization of Intestinal Bacteria in Wild and Domesticated Adult Black Tiger Shrimp
The black tiger shrimp is a marine crustacean of economic importance in the world market. To ensure sustainability of the shrimp industry, production capacity and disease outbreak prevention must be improved. This work by Wanilada Rungrassame et al,...
Effect of Pawpaw Seeds Powder in Nile Tilapia Diet
The objective of the present study was to determine the effects of dietary inclusion of different levels of pawpaw seeds powder (PSP) at different periods on the growth performance, survival rate, feed utilization and carcass composition of fry and fingerlings...
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...
 
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