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Maggot Meal Replaces Fish Meal?-Cape Town

By Staff Reporter

Source: China Photos/Getty Images

Insect larvae are the natural food of chickens and fish and their nutritional… Read More

The world’s largest commercial fly farm, which will harvest maggots from about 8.5 billion of the insects housed in giant cages, is under construction near Cape Town, a project developers say is a first step toward shaking up the global animal-feed market.

The 8,500 square-meter (91,493 square-foot) undercover facility, being built by Gibraltar-based AgriProtein, is due to be completed next year and aims to produce 23.5 metric tons of insect-based protein meal and oils and 50 tons of fertilizer a day. Fish and chicken farmers have already signed contracts to buy the feed, an alternative to soy and fish meal, according to Jason Drew, the company’s co-founder.

English: Maggots. Commercial maggot breeders a...

Commercial maggot breeders are able to dye the maggots different colours in order to be more “attractive” to the fish the anglers are targeting. These are from Eurobait. 

“The farm will take in 110 tons of organic waste, out-of date-food, uneaten food from restaurants, hotels, some animal manure and some abattoir waste” and recycle the nutrients, Drew said in a July 8 phone interview from Cape Town. “We copied the idea from Mother Nature. In 15 years, it will be as normal to recycle your waste nutrients as it is to recycle your tin, your glass or your plastic today.”

Sydney-based Twynam Agricultural Group is among backers who have provided $11 million of funding for the project and a second facility in South Africa, the location for which is still being decided. AgriProtein intends building another 38 fly farms and has had expressions of interest from 43 countries.

“We are looking at returns on investment in the mid-twenties,” Drew said. “We aim to undercut the cost of fishmeal by about 15 percent.”

Nutty Flavor

The farms will be stocked with common houseflies, black soldier flies and blowflies, which consume most forms of organic waste. Three percent to four percent of the flies’ eggs will be hatched to maintain the farm’s insect supply.

“We have been breeding flies for five or six years now,” Drew said. “We weigh the eggs when we put them into cages. We have a hatching rate, therefore we know that x grams of eggs will equal x many flies when they hatch.”

Insect larvae are the natural food of chickens and fish and their nutritional composition is as good as that of fishmeal and better than soy, according to AgriProtein, whose products have been under development since 2009. Producing insect-based protein also doesn’t have the adverse environmental consequences of producing animal protein, which requires more land and water.

Sale Approval

AgriProtein’s products have been approved for sale in South Africa and Drew expects it to secure distribution licenses in the European Union within the next two years. Product approval is being considered on a state-by-state basis in the U.S. and Canada, with Ohio already having granted permission for them to be sold, he said.

The meal, branded as MagMeal, has a

“dark rich texture with a slightly nutty flavor,”

AgriProtein said on its website.

Fly farms could utilize abattoir waste that would otherwise have to be disposed of in landfills, said Matthew Addison, a researcher at the University of Stellenbosch’s Conservation, Ecology and Entomology Department.

“We are throwing protein away,” he said in a phone interview yesterday. “Fly farms can bring it back into the food chain in a very acceptable form. The fly larvae produce very high quality protein. It’s brilliant. The science is solid.”


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