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Galápagos

Radiolab

The Perfect Judas Goat

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A good judas go until it gets pregnant, because then it doesn't want to be social any more. So karl campbell figured a technique where we could sterilize them in the field. And he actually gave these females hormonin plants. A basically put them into heat for an extended duration. Normally a female goat would be in heat for maybe a couple of days. These females would go for more than a hundred nd inety days. Where they went, they would lower those male goats out of their caves. Over the course of this two year programme, we had hundreds of judas goats. Using those goats, thay were able to go from 94 % goat free

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