Are tub holes necessary?

I know no holes will increase humidity but will it also increase the tubs ambient temperatures?

Not a lot, and only temporarily. There are better ways to increase ambient temperature than risking suffocation.


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Why temporarily?

It really depends on how tightly your tubs fit. I have one rack where the tubs fit perfectly snug into the rack, and another where there is a good 1/4 inch gap. I have holes on one and not the other.

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Originally Posted by highqualityballz

Why temporarily?

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The lack of holes will slow down air exchange, so it will take a little longer to equalize to the exterior ambient temperature than a tub with lots of ventilation. If you want to raise the ambient temperature in the tub, you need a heat source.


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The problem with no holes is that you will have poor airflow which can lead to respiratory issues, good husbandry, routine cleaning and airflow are important.

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Originally Posted by Deborah

The problem with no holes is that you will have poor airflow which can lead to respiratory issues, good husbandry, routine cleaning and airflow are important.

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Is this true even in a rack with about 1/8th-1/4th inch gap? I have no holes in my rack tubs so this worries me

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Originally Posted by Dezoruba

Is this true even in a rack with about 1/8th-1/4th inch gap? I have no holes in my rack tubs so this worries me

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Most commercial racks like ARS and Freedom breeder come with specific ventilation anything from 25% to 50% in some, now if you have good cleaning procedures you could be fine, personally I prefer to have some airflow in my rack, along with a sanitary environment.

Bottom line it's really gonna be a personal call but airflow IMO should be available for any animal being caged.