Crickets aren’t ready to replace meat

in environment on (#7F7R)
Worldwide, statistics show that crickets are the most widely cultivated insects for the human diet and are considered the “gateway bug” for people who choose to eat insects. Crickets are readily available in pet stores as food for turtles, frogs, and other pets. They are considered delicacies or snacks for people in many countries. Cricket flour is now commonly found in protein bars, baked goods, and protein powders. Crickets have been touted as much better for the planet—environmentally and financially—than livestock, due to the supposedly more-efficient rate at which they convert feed into body mass. But in reality, there is very little data to support this.

Researchers measured the biomass output and feed conversion ratios of crickets (Acheta domesticus) that were reared on foods ranging from grain-based to high in cellulose. Crickets fed on processed food waste grew to harvestable size with conversion efficiency similar to industrial-scale production broiler chickens. But over 99 percent of the crickets fed minimally processed, municipal-scale food waste died before reaching a harvestable size. The measurements were made at a much greater population scale and density than any previously reported studies. These feed conversion ratios are much less efficient than those reported from studies conducted at smaller scales and lower population densities.

Shucks (Score: 2, Informative)

by on 2015-04-21 04:48 (#7FVZ)

Looks like we'll have to stick to the more nutritive, cheaper, less "icky," and already being consumed, spirulina.
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