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Aquaculture health
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The Ministry of Agriculture, through the Secretariat of Agriculture and Livestock (SAG), last week approved an infectious salmon anaemia (ISA) vaccine developed by a domestic veterinary pharmaceutical company. Sales of the vaccine will begin in June.
The Centrovet laboratory undertook two years of research in full compliance of international standards and invested around USD 6 million in developing the vaccine from a viral strain present in...
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Dr Kenny Black, Head of Ecology at SAMS, co-authored a recent paper investigating the use of biocides for controlling crustacea in fish farms ( Journal of Photochemistry and Photobiology B: Biology 95 (2009) 58-63) .
Farming of salmon has become a significant industry in many countries over the past two decades. A major challenge facing this sector is infestation of the salmon by sea lice. The main way of treating salmon for such infestations...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
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Ruth Torill Kongtorp established during her doctorate that a new disease called heart- and skeletal muscle inflammation (HSMI) is a serious infectious disease of farmed Atlantic salmon, with a high potential for transmission. The increasing number of outbreaks of this disease in recent years indicates that it poses a significant threat to Norwegian salmon farming.
HMSI was discovered in 1999, and has since been found in disease outbreaks at many fish farms along the...
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Sea lice found in the Pacific Ocean are very different genetically from sea lice in the Atlantic Ocean, a study team co-led by a University of Victoria researcher has found.
The discovery could have significant management implications for wild fisheries and aquaculture in BC, since it had previously been assumed that research on salmon and louse interactions in the Atlantic directly applied to sea lice everywhere.
"Now we know this may not be the case," says UVic...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
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Advanced BioNutrition Corp. (ABN), a leader in providing the aquaculture industry with science-based solutions to improve health and nutrition, announced today that its Chilean strategic partner, Centrovet Laboratories, Santiago, Chile, has obtained provisional registration for a freeze-dried, oral-powder vaccine to aid in the prevention of Salmon Rickettsial Syndrome (SRS) in Chilean salmonid species. The vaccine is delivered in salmon feed by means of ABN's patented...
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A Universiti Malaya Professor has discovered an edible stimulant vaccine to fight White Spot Syndrome Virus (WSSV), a serious shrimp disease which causes losses amounting to billions of US dollars annually. Professor Dr Phang Siew Moi, who is leading the research on the vaccine, said it could trigger the immune system in penaeid prawns towards the WSSV, using the VP28 viral coat protein that could protect the prawn from the deadly disease. She said the prawn was not a...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
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If you want politically correct coffee (whether organic or fair trade), there is plenty of choice at the supermarket. But if you are concerned about the fish you eat, it gets a bit harder. A welfare monitor for farmed fish has been developed which can help with this. Like a Big Brother, the system keeps a constant eye on the fish. FAST-TOOL is the name of this instrument, developed in Norway with EU funding. It is really a software programme...
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Experts from Queen's University Belfast are in India today (Monday) to advise the country on how it can reduce parasitic infections which destroy plants and animals.
The biotechonology experts from the University are at the forefront of research into the infections which cost the world economy around $200 billion in lost crop production and $5.3 billion in animal health each year.
A delegation led by Dr Gerry Brennan from the School of Biological Sciences at Queen's...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
Suggested link
DuPont Introduces New Line of Shrimp Pathogen Diagnostic Tests An Easy-To-Use Solution That Brings the Sensitivity of Lab PCR Methods to the Grow-out Pond
DuPont Animal Health Solutions (DAHS) announced a new product line that will bring shrimp-pathogen detection straight to the farm. The DuPontTM Virkon Aquatic Biosecurity Monitoring System provides an integrated, easy-to-use solution for pond-site shrimp pathogen diagnostic testing that detects viruses impacting shrimp health and...
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What's good for human kind is also good for endangered salmon.
A protein biomarker under development to detect traumatic brain injury in humans can also reveal the same injuries in salmon that struggle to migrate in freshwater rivers, according to a study by the Department of Energy's Pacific Northwest National Laboratory.
This is the first time that a human biomarker has been used to determine injury risks in wildlife. The findings, from a 2006 study of juvenile Chinook...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
Suggested link
Farmed cod have recently been hit by a serious disease caused by an unknown bacterium. In his doctorate, Jarle Mikalsen contributed to the identification of this bacterium, now called Francisella philomiragia noatunensis . The disease caused by the bacterium is now called francisellosis and is listed in the national disease register and regulated under the terms of the Norwegian Food Act.
...
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During his doctoral thesis, Erlend Haugarvoll discovered new aspects of the salmon immune system. His research looked at the immune cells in the gills of salmon and at immune responses to vaccination. A special type of tissue, rich in immune cells, was found in the gills, and new properties of immune cells that produce brown pigment were discovered.
Successful salmon farming in Norway and...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
Suggested link
Salmon farmers in Chile, struggling to eradicate a fish-sickening virus, may be at the start of their worst year yet as the disease spreads and the credit crunch slashes funding, the nation's fishing regulator said.
"It's the hardest crisis they've confronted," Felix Inostroza, Chile's national fishing director, said today in an interview in Santiago. "Everything happened at once."
Chile, the world's second-biggest salmon producer, may cut output more than...
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Yabbies grown in farm dams are susceptible to various parasites and surface fouling that can have a negative effect on their market value. Epistylis and Temnocephala are two of these commonly occurring organisms.
Epistylis
Epistylis is a stalked protozoan that appears as a fluffy growth on the external surface of crustaceans and fish. Epistylis is harmless to the animal unless it...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
Suggested link
Recent studies have shown that the natural substance NGNA has good effect on several viruses, especially the virus behind most common colds (rhinovirus) and influenza. One area where viruses have a large impact is salmon farming, and therefore, SCN (OSE:SCN) now plans to start new studies to see if NGNA could be a solution to this problem. In 2007, SCN secured the world-wide rights to the natural antiviral substance NGNA, for both human and animal treatments. Recent studies, both...
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One of the most common reasons for disease and mortality in land-based aquaculture in Australia, is due to problems with water quality. Water quality has a direct effect on the health of aquatic animals. Some of the most influential factors affecting water quality are temperature, dissolved oxygen, pH, salinity, suspended solids, toxic waste levels such as ammonia and flow rates. With this in mind, it is important that all aspects of water quality are monitored by the farmer, records...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
Suggested link
Researchers at James Cook University have developed a virus ‘silencing’ technique that could save the Australian prawn industry from millions of dollars in losses. PhD student Kathy La Fauce has spent three years investigating how to reduce the spread of a virus which is robbing Australian aquaculture farms of their prawns. Penaeus merguiensis densovirus (PmergDNV) is the Australian strain of hepatopancreatic parvovirus, which stunts the growth of prawns, leaving them vulnerable...
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Studies carried out by the National Institute of Nutrition and Seafood Research (NIFES) show that the active component in one of the most common anti-salmon louse drugs causes temporary moderate stress in the treated salmon. One of the most common ways of treating farmed salmon against salmon louse (a crustacean) is to give the fish medicated feed containing active components. Emamectin benzoate is the most used active component in medicated feed of this kind, being commonly used in...
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PRICHEMIN MIX
Priya's PRICHEMIN MIX is a mineral supplement for aquaculture. It consists of a mix of mineral chelats from aminoacids
Suggested link
There seems to be no end to the controversy around sea lice and fish farms in B.C. The province released its 2007 Fish Health Report last week, and it concluded that sea lice counts at the province's approximately 130 salmon fish farms are at their lowest level since the inception of the Ministry of Lands and Agriculture's monitoring program which began in 2003. However, while marine biologist Alexandra Morton acknowledged sea lice populations around the fish farms are...
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The common carp is the third most important farmed fish species in the world. However, serious diseases such as Koi herpes virus (KHV) threaten farming in many countries. Nofima and their partners in the EU project EUROCARP have found that this disease is highly heritable and can be effectively fought by selective breeding. This was found when the researchers crossed individuals of four common carp strains of wild and cultured origin, and tested their survival after KHV infection. For...
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