@qazwer
yeah it's the smashed heads and rodent teeth that freak people out
the thing can also be cut up and served like a chicken, you know, basically the legs. "chactado" is basically smashed and fried but there are other less "spectacular" preparations. i think generally it's served with the head as a proof of legitimacy or something.
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so, finally read the blog thing. what happens to that place doesn't matter, and it's not "failing", it's just that nobody wants to keep it as is. if not this someone will grow asparagus or bell pepper or broccoli for export. pigs also are big moneymakers.
but the land alone is worth $$$$ at this point due to location
https://www.luxuryestate.com/peru/regio ... pachacamac
i guess it's their project and they love it, but buried in the text is the fact that they both work(ed) at the agricultural university and this is fun for them. and they are in a primo location. this isn't subsistence farming--it's a hobby. aligned with their competences/careers.
also there is plenty of demand for cuy at restaurants, particularly country style places. the american equivalent would be a bbq pit or something. where there is demand there will be supply.
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anyway, back to apartment scale, depends how big your apartment. on a roof it would work...
eta: please also note the weather in pachacamac is super-mild and those cuyes might not survive open pen in harsh climates. maybe a highland breed...
eta2: here some useful info:
https://www.inia.gob.pe/wp-content/uplo ... andina.pdf
here some "improved" breeds:
https://www.somoscuyperu.com/2012/04/cu ... -inti.html
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but again, in usa/europe i'd do rabbit due to greater know-how, breeds, supplies, vets, commercial demand, etc. rabbits for meat, chickens for eggs.