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Collaboration: how to use the whole cow

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At me and my family are trying to do things the right way. We purchased a 45 hectare piece of land in Andalusia, Spain, where people raise mostly pigs and also some cows. We do not know much about most of the topics, but as I'm from the world of software development I am used to a steep learning curve and collaboration across organisational boundaries.

There are already several websites that allow people to purchase grass-fed beef. Pieces of cows are sold online and when the whole animal has been sold it gets slaughtered. That avoids wastes and seems to be more respectful. We want to follow that model once we have our first cow ready for market.

We have secured the collaboration of a local butcher for the actual processing of the meat and we know that we have to use a certified slaughterhouse in order to legally sell meat.

What is an open question is "what to do with the non-editable parts?"

I have created a Google Doc at

and my intent is to collaborate with all of you to gather as much detailed information as possible. The Google Doc is set up so that anyone with the link can edit it and leave comments.

I will add stuff myself as I research the topic. For example, I remember reading somewhere that the cow's blood can be turned into fertilizer. Or the stomachs can be fed to flies to produce larvae and the larvae can be used as chicken feed.

Later on I want to publish the curated version at our public/internal website that shows how we work. Others can then also benefit from our mutual research.
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