Finfish
Over the past 14 years, the aquaculture industry has seen a roughly 80-percent decline in the amount of pond space dedicated to catfish, from a peak of around 80,000 hectares in 2002 to about 25,000 hectares in 2016.
The National Oceanic and Atmospheric Administration (NOAA) reached a milestone in May with its first harvest of an all-female generation of mature sablefish. This is a landmark achievement as it makes the farming of this tasty, buttery fish on a commercial scale within the grasp of US fish farmers. The fish harvested weighed an average of 5.47 lbs each, for a total of a whopping 20,227 kgs (roughly 44,593 lbs).
Sea lice have long been a research focus at Fisheries and Oceans Canada's (DFO) St Andrews Biological Station (SABS). Recently, studies have focused on the ecology of their early life history stages, non-chemical methods to reduce their incidence, and genetic selection of sea-lice-resistant Atlantic salmon. These elements have been, or are being studied, in an attempt to combat sea lice outbreaks in near-shore ocean caged fish.
Canada is the second country in less than a year to decide that genetically modified salmon is safe to eat and poses no threat to the environment.
This program will cover information on designing new feed mills and selecting conveying, drying, grinding, conditioning and feed mixing equipment. Current practices for preparing full-fat soy meal processing; recycling fisheries by-products, raw animal products, and secondary resources; raw material, extrusion of floating, sinking, and high fat feeds; spraying and coating fats, digests and preservatives; use of encapsulated ingredients and preparation of premixes, nutritional requirements of warn water fish and shrimp, feed managements and least cost formulation are reviewed.
Changing the North American aquaculture industry's perception of what is a "perfect-sized" fish to produce would significantly improve the industry's performance says Dr Daniel Benetti, director of aquaculture at the University of Miami's Rosenstiel School of Marine and Atmospheric Science.
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