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by projektfu
3491 days ago
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Most likely they grab a box of 2-3 rats, take it to a procedure room, and perform surgeries on all the rats in sequence. It's a bit on the lazy end, since you could always do a surgery on one rat, take it back to the housing room, and get the next one. Some labs do not permit animals to observe another's surgery or euthanasia. The rules are more lax for Mus musculus and Rattus rattus, than for other mammalian species, in the US. |
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