Some months ago I walked into a pet store and saw a glass tank with mealworms eating dry cat food. Since dry cat food comes in nuggets that allows you to easily recover the leftovers this gave me an idea for new activity. The rule of thumb for productivity/energy recovery up each link of the trophic pyramid is around 10%. The biomass recovery I got with with my mealworms was around 20% (based on dry weight). It is higher than the rule of thumb because I was raising them during their period of...
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