Dark green to black pellets--good. Runny and light green--not good. Keep that one away from the rest for a couple weeks so it doesn't spread whatever disease it might have. Wash the cage, bowl and water bottle with a mild disinfectant like a tablespoon of bleach in a cup of water and change the bedding. Make sure that you are feeding the animals a nutritionally balanced diet. Giving them snacks of 'people food' isn't doing them any favors.
No! Of course they don't! They have their own food to eat.
yes if you are jess hartopp.
Male gerbils can be neutered, but it is not recomended. Female gerbils should not be spayed. In general male gerbils should not be neutered unless there is a good reason for it.
Sure!
No i should not
Yes. But some are picky. - GerbilExpert
Gerbils' tails should be as long as the gerbil itself. If they don't, their balance will be disturbed.
you can give gerbils cherries you can give gerbils cherries
excrement
No, vomit is not called excrement. Excrement is feces.
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frequently.