Husbandry
Through a grassroots-approach, a USAID-funded program is offering a solution for sub-Saharan Africa's fish farmers' perennial problem of sourcing catfish fingerlings.
The Philippines’ perennial shortage of milkfish fry may find its resolution in the National Broodstock Development Program (NBDP), an initiative of the Department of Agriculture – Bureau of Fisheries and Aquatic Resources through the National Fisheries Research and Development Institute (NFRDI).

“A broodstock development program is considered one of the limiting factors faced by many industry stakeholders. This may be addressed with the help of the government by establishing a broodstock development facility which will cater to the needs of interested stakeholders for their broodstock requirements by operating a breeding and hatchery facility,” Francisco Santos, OIC-Chief at the Aquaculture R&D Division of the NFRDI, told Hatchery International.

“With the increased number of hatcheries operating in the locality, producing and obtaining juveniles for aquaculture use is seen to have greater feasibility and economic viability,” Santos said.

NBDP, which has been approved but not yet signed, covers the stock inventory of existing breeders, hatchery facilities and manpower, selection and upgrading of broodstock, development of breeders, screening and identification of program recipients, upgrading of knowledge and skills through training and technical staff.

“While milkfish is important, its production has been hindered by various problems. Among the most critical of these is the limited supply of fry,” he said.

Based on 2015 figures, the milkfish requirements of the Philippines was estimated at 2.5 billion fry. Private and government hatcheries supplied only one billion. The rest were either imported, mostly from Indonesia, or were wild fry.

The Foundation for Food and Agriculture Research (FFAR) is a nonprofit organization established by the United States’ Congress in the 2014 Farm Bill. Remarkably for these times, there was bipartisan congressional support for the organization and the activities it supports, which include aquaculture.

As the arms race to develop more efficient and effective live feeds for hatchery applications continues Norway’s Planktonic AS has developed a unique approach which they say could be a game-changer for the industry.

Searching for better ways to preserve sperm from southern flounder, particularly wild sourced, researchers in the United States found that vitrification of flounder sperm can successfully be used to fertilize female eggs.

Larval nutrition is a complex part of the aquaculture industry, especially if one thinks of shrimp or marine fish nutrition.

A fish or shellfish hatchery uses many different fluids: Oxygen, air, fuel, water and more. Pumping or delivering these fluids through pipes, hoses, tanks and treatment systems provide a myriad of opportunity for leaks to develop and for costs to climb.

At the Conference on Recirculating Aquaculture held last August in Roanoke, Virginia, Nick King of the Fish Vet Group in Portland, Maine presented a plea for better fish health management in marine hatcheries.

A serious problem may be emerging for fish hatcheries in the United States, according to Al Barney, hatchery manager with the Nisqually Tribal Hatchery in Olympia, Washington. It’s due to increasingly restrictive regulations from the Environmental Protection Agency (EPA) concerning the chemicals that may be used to treat water for fish farming.

Sir Sandford Fleming School of Natural Resource Sciences in Lindsay, Ontario, Canada is home to the Lake Simcoe Muskellunge Restoration Project’s muskellunge hatchery. Here, nestled in rural Ontario, hatchery technician Mark Newell has pioneered the techniques to successfully raise this challenging species in a hatchery setting.

Mainstream Aquaculture has been at the forefront of innovation in the modern aquaculture industry. Focussing on barramundi (Lates calcarifer), the Australian company has become the world’s largest supplier of seedstock, and now exports to 21 countries.

The cultivation of high quality, highly priced fish such as pike-perch (Sander lucioperca) is gaining more interest. Nevertheless, the goal of sustainability is only reached if their life cycle is successfully completed under culture conditions, including reproduction and larviculture.

Any sushi lover will tell you that salmon and rice are an ideal combination.….

In a recent study Polish researchers have determined what they believe is the optimal feeding level for burbot larvae fed freshly hatched brine shrimp during three different rearing larval stages.

Unlike most recent developments in the application of advanced molecular genetics in animal breeding, Genomic Selection promises to be accessible to relatively modest breeding programmes. This is due in large part to it being less reliant on extensive infrastructure such as separate family tanks and whole-lifetime trait recording.

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