New Plan For Hibernation .

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Re: New Plan For Hibernation .

Postby Bigjoe » Wed Dec 02, 2015 9:23 am

That's very interesting Andy
Tracy link below showing some types of permeable base systems used in the paving industry ..I wonder if the floor of your hibernation box was sat on feet to keep it off the ground,drill some holes into the box floor to act as vents with a layer of chippings to allow any CO2 to pass thru..just thinking out loud
https://www.google.co.uk/search?q=perme ... YQ_AUIBygC
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Re: New Plan For Hibernation .

Postby Tracy33 » Thu Dec 03, 2015 12:55 am

Oh , okay Andy . I am so glad i asked , thanks for the information .
I suppose lifting the lid off for 5 mins a day would not make a difference ?
I will need to sort this out .
Joe , also thanks for the info , and no the box has no feet , so i will pop it up on some bricks .
I like the idea of the vent , but for this year , do you think drilling holes around the soil level , say 5/6 inches up from the bottom will be aderquate . In other words , where the tortoise will be ?
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Re: New Plan For Hibernation .

Postby Tortoise Trust » Thu Dec 03, 2015 9:00 am

Lifting the lid... no.. because C02 'pools' at the base.

It would help... but is not a guaranteed solution.
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Re: New Plan For Hibernation .

Postby Tracy33 » Fri Dec 04, 2015 12:41 am

Thanks again for your answer Andy .
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Re: New Plan For Hibernation .

Postby Tortoise Trust » Fri Dec 04, 2015 7:37 am

The problem is that without some measurements, we don't really know exactly what would be going on. There a lot of variables. Everything from size of box to precise substrate to respiration rates and how well things are sealed (or otherwise). I suspect the real risk is quite low... possibly very low.. but, that is just a guess. I think this would be something that would need to be tested using accurate meters under controlled conditions.

Worth a read, particularly last few paragraphs:

http://www.tortoisereserve.org/sundry/H ... Body2.html

Also..

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2290531/

and

http://www.ncbi.nlm.nih.gov/pubmed/17008457
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Re: New Plan For Hibernation .

Postby Clara » Fri Dec 04, 2015 1:55 pm

Thank you Andy for sharing this.

I found it really interesting.

The bit about them using micro particles of calcium salts from their bone and shell to counter the effect of lactic acid build up might explain why we, and others, have observed our tortoises bingeing on their cuttlefish and lump chalk just prior to hibernation. (I have never seen them touch it at any other time but then I do live in an area with calcium rich soil.) Or is that simplifying things too much?

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Re: New Plan For Hibernation .

Postby Tracy33 » Sat Dec 05, 2015 1:04 am

Tortoise Trust wrote:The problem is that without some measurements, we don't really know exactly what would be going on. There a lot of variables. Everything from size of box to precise substrate to respiration rates and how well things are sealed (or otherwise). I suspect the real risk is quite low... possibly very low.. but, that is just a guess. I think this would be something that would need to be tested using accurate meters under controlled conditions.

Worth a read, particularly last few paragraphs:

http://www.tortoisereserve.org/sundry/H ... Body2.html

Also..

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2290531/

and

http://www.ncbi.nlm.nih.gov/pubmed/17008457


Thanks again Andy for these links , truly fascinating creature's . I have a bit more to read , when i get a moment .
After reading some earlier , i looked up on some CO2 vent's , but they were rather expensive . so instead , i ordered four air vent's , these will be put round the four side's of the box at soil level . Then the whole box will be raised on brick's .
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Re: New Plan For Hibernation .

Postby Tortoise Trust » Sat Dec 05, 2015 7:31 am

Well... yes, but.. that will make it far less stable temperature wise. I would be far more concerned with temperature risks than the (theoretically slight) risks from C02 myself.

Also... timely article on hibernation on BBC.

http://www.bbc.com/earth/story/20151203 ... -in-winter
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Re: New Plan For Hibernation .

Postby Tracy33 » Sun Dec 06, 2015 1:04 am

Well then , i will compromise with two air vent's . But not to worry Andy , as the coal shed that is now a cupboard with clean painted wall's and a carpet is extremely stable , temperature wise .
I have never seen it drop below 5c . It is built into the house , so it is not an out building , plus the door is not a fitted double glazed door , it is wood , so allowing extra ventilation .
I think this will be a good dark place for him to hibernate , with good steady temps . I will be keeping a close eye on the situation .

An interesting read on the hibernation article .
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Re: New Plan For Hibernation .

Postby Tracy33 » Sat Jan 16, 2016 1:00 am

New plan for hibernation seems to be going well . :D
I have picked the box up from the floor just now , as it makes a few degrees difference .
It is such a weight of my mind , not having to worry about any electric this time .
There is plenty of room for him to move about , it's amazing how they move around with the gentle temperature changes .
I feel like an old hand at this now , as last year was the first hibernation , and I was in a panic . But thanks to Sandy , who so helped me through it . :)

ImageImage
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