Why Eat Bugs #1: Feed-Conversion Rates

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I don’t eat bugs. Not in a significant self-aware way, at least. But there are many good reasons to. I want to list the reasons I find most compelling—mainly as an exercise of pre-emptive self-persuasion. So that when I am confronted with a bowl of crickets, I can use these reasons to help me to overcome my culturally-constructed food avoidance.

In other words, I will use reason to get over the gross-out.

By the way, there’s a word for bug-eating. It’s “entomophagy…” an ugly stuffy-sciency word that’s another barrier to overcome.

One big reason eat bugs involve feed conversion rates. It’s well known how unsustainable current animal protein production is. However, compare this to insect protein production.

For example, if you take 10lbs of feed, it gets you the following conventional animal protein:

chicken

5lbs of chicken

pig

3lbs of pork

cow

1lb of meat

However, if you take the same amount of feed—10lbs—and give it to crickets, you get…

cricket9lbs of cricket meat!

That’s so much protein!

Since bugs are cold- blooded, they are much more efficient at converting feed to meat than their warm-blooded counterparts…which have to waste energy keeping themselves warm. They also don’t have to grow things that aren’t edible, like bones and fur and beaks. You pretty much eat all of the the cricket.

From sustainability point-of-view, the advantages are clear. You get almost twice as much insect protein from the same amount of feed than you would from chicken. You get 9 times as much as you would from a cow.

With increasing population rates, this type of food source could be a reliable and efficient protein source. It’s already happening in Thailand. 

However, is this enough for entomophagy (or better… maybe call it “land-crabbing”?) to take off in the US? Although it’s a lot of crickets, they are still crickets.

Although, I haven’t (knowingly) eaten crickets yet (can’t wait!), the efficiency of their production is a good reason.

 

Sources: 

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6 Responses to “Why Eat Bugs #1: Feed-Conversion Rates”

  1. ericbescak Says:

    An interesting addendum…At Cornell, it was estimated in 1997 that we could feed 800 million people with the grains that are being fed to cows, or $80B in GDP if the grain was sold for export… http://www.news.cornell.edu/stories/1997/08/us-could-feed-800-million-people-grain-livestock-eat

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