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12-23-13, 04:00 PM
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#1
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Member
Join Date: Oct-2013
Location: Grand Junction, CO
Age: 34
Posts: 121
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Using exhaled breath to create co2?
I want to start breeding my own mice just to try it, but that is not why I'm posting.
I'm posting because someone told me of a way, to euthanize a mouse. Everyone pretty much knows the old gas chamber trick with a co2 tank or vinegar/ baking soda, etc. The way that she mentioned, was to hook a straw to a piece of tupperware, poke a small hole in the lid, and breathe slowly into the straw for 45 seconds (pinching the straw to re-inhale). The idea is, that the co2 created by exhaling will put the mouse down. She claims to do this with her mice, but I have my doubts.
Anyone else ever heard of this and/or know how effective it is?
I know that may be a stupid question to some, but I'm asking for the sake of future knowledge.
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0.1 California Kingsnake (Calypso)
1.0 Snow Corn (Osiris)
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12-23-13, 04:30 PM
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#2
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Member
Join Date: May-2012
Location: Manchester
Age: 47
Posts: 2,075
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Re: Using exhaled breath to create co2?
I would guess she is talking nonsense as we only breath out about 5% co2 with each breath and the more you breath into the straw you can't force out all the other gases and just leave the co2 from previous breaths to make the concentration of co2 higher. I may be wrong but that the way I see it.
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1.1 Corns (Anery Stripe, Amel) 1.0 Rootbeer 0.2 Jungle Carpet Python 0.1 Caramel Coastal Carpet Python 1.0 Zebra Jungle Carpet Python 1.0 50% Diamond Zebra Carpet Python
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12-23-13, 06:03 PM
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#3
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Member
Join Date: Nov-2013
Location: St Marys
Age: 49
Posts: 987
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Re: Using exhaled breath to create co2?
if this is true, then CPR would kill people...not revive them...we breathe out 18-19% oxygen...this wouldn't work...
__________________
One should examine oneself for a very long time before thinking of condemning others. ~Moliere
Whatever you condemn, you have done yourself. ~Georg Groddeck
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12-23-13, 06:13 PM
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#4
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Member
Join Date: Nov-2012
Location: Tucson
Posts: 991
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Re: Using exhaled breath to create co2?
Quote:
Originally Posted by Sharlynn93
if this is true, then CPR would kill people...not revive them...we breathe out 18-19% oxygen...this wouldn't work...
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CPR has changed to just chest compressions as far as my last class went
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12-23-13, 06:15 PM
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#5
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Non Carborundum Illegitimi
Join Date: Mar-2010
Location: Keynsham
Age: 49
Posts: 9,556
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Re: Using exhaled breath to create co2?
Just breK their necks, much more humane
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May you have more good days than bad 
You never know how strong you are - until being strong is your only choice
There are no dark clouds - just well hidden silver linings!!
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12-23-13, 06:17 PM
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#6
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Member
Join Date: Nov-2013
Location: St Marys
Age: 49
Posts: 987
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Re: Using exhaled breath to create co2?
Quote:
Originally Posted by dinosaurdammit
CPR has changed to just chest compressions as far as my last class went
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but it was done the other way for how many decades without killing people?
__________________
One should examine oneself for a very long time before thinking of condemning others. ~Moliere
Whatever you condemn, you have done yourself. ~Georg Groddeck
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12-23-13, 06:26 PM
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#7
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Member
Join Date: May-2012
Location: Manchester
Age: 47
Posts: 2,075
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Re: Using exhaled breath to create co2?
Quote:
Originally Posted by dinosaurdammit
CPR has changed to just chest compressions as far as my last class went
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over here I think it is now 30 chest pumps to 1 breath (I would ask my Mrs but she is sleeping now so I'll confirm tomorrow)
__________________
1.1 Corns (Anery Stripe, Amel) 1.0 Rootbeer 0.2 Jungle Carpet Python 0.1 Caramel Coastal Carpet Python 1.0 Zebra Jungle Carpet Python 1.0 50% Diamond Zebra Carpet Python
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12-23-13, 07:41 PM
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#8
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Member
Join Date: Mar-2013
Location: Gainesville
Age: 34
Posts: 1,298
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Re: Using exhaled breath to create co2?
the straw/human breath method sounds ridiculous. I would not recommend it. Cervical dislocation is probably your best bet, and pretty easy as far as i know for a few mice. I would only use CO2 on a commercial scale, and i would not recommend the homemade vinegar/baking soda trick, i would use a co2 gas tank.
__________________
0.1 Jungle Carpet "Bhageera", 2.0 Corn snakes "Castor & Pollux", 1.1 Cal Kings "Lux & Nyx", 0.1 Honduran Milksnake "Demeter", 0.1 Rosy boa "Neki-monster", 1.0 Axolotl "Grendle", 2 tarantulas, 0.1 Leopard gecko "Remus", and a freezer full of mice (and Rats!)….
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12-23-13, 07:46 PM
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#9
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Member
Join Date: Aug-2013
Location: South Carolina
Age: 33
Posts: 111
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Re: Using exhaled breath to create co2?
I use the vinegar and baking soda method and it works great for the ones I cull. Just make sure not to do it quickly so they will drift unconscious and then pass. You should not see them gasping.
__________________
1 Western Hognose snake, 25 pet fancy mice (not including pups), 5 gerbils (not including pups), 4 degus, 2 pet rats, 2 Syrian hamsters, 5 cats, and 2 dogs
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12-23-13, 08:52 PM
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#10
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Member
Join Date: Oct-2005
Location: Oklahoma
Age: 58
Posts: 1,714
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Re: Using exhaled breath to create co2?
Quote:
Originally Posted by Sharlynn93
if this is true, then CPR would kill people...not revive them...we breathe out 18-19% oxygen...this wouldn't work...
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I can tell you that "bystander CPR" doesn't do a lot...despite what the AHA says. It's not the breaths that do much of anything. The compressions are what "circulates" blood (fairly poorly at that)...
btw...room air O2 is approx 21%, exhaled O2 roughly 14%...
And it was "done for decades" because we "thought" it worked. Research has taught us otherwise, thus the revisions to protocols.
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12-24-13, 02:17 AM
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#11
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Moderator
Join Date: May-2008
Location: Central New York State
Age: 60
Posts: 16,536
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Re: Using exhaled breath to create co2?
your friend is talking nonsense.
bottled CO2 or a block of dry ice dropped into a container of warm water.
seems "she" (whoever she is) took too many drugs during biology class in school.
__________________
"Where would we be without the agitators of the world attaching the electrodes
of knowledge to the nipples of ignorance?"
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12-24-13, 05:27 AM
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#12
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Member
Join Date: May-2013
Location: London UK
Posts: 1,481
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Re: Using exhaled breath to create co2?
using you breath is nonsense, and using the uncontrolled reaction of baking soda/vinegar is also not a humane way to do it, it needs to be done properly if you dont want to make the rodents suffer.
You need a bottle and a guage, it must be done in 2 stages, first anesthesia with a low concentration, then euthanasia with a high concentration.
If you flood the chamber with high levels of CO2 in one go, you will cause the rodents significant pain as they die
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12-24-13, 08:22 AM
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#13
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Member
Join Date: Aug-2013
Location: South Carolina
Age: 33
Posts: 111
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Re: Using exhaled breath to create co2?
Quote:
Originally Posted by formica
using you breath is nonsense, and using the uncontrolled reaction of baking soda/vinegar is also not a humane way to do it, it needs to be done properly if you dont want to make the rodents suffer.
You need a bottle and a guage, it must be done in 2 stages, first anesthesia with a low concentration, then euthanasia with a high concentration.
If you flood the chamber with high levels of CO2 in one go, you will cause the rodents significant pain as they die
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The baking soda and vinegar method is used by quite a many mouseries that I know of; it is quite humane unless it is done too quickly.
Dry ice works as well.
__________________
1 Western Hognose snake, 25 pet fancy mice (not including pups), 5 gerbils (not including pups), 4 degus, 2 pet rats, 2 Syrian hamsters, 5 cats, and 2 dogs
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12-24-13, 09:04 AM
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#14
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Member
Join Date: May-2013
Location: London UK
Posts: 1,481
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Re: Using exhaled breath to create co2?
Quote:
Originally Posted by Awaiting Abyss
The baking soda and vinegar method is used by quite a many mouseries that I know of; it is quite humane unless it is done too quickly.
Dry ice works as well.
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probably because it is cheap to do - however I'm not convinced that the levels can be controlled enough to anesthetize first and therefore be humane, i need to see it to believe it tbh
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12-24-13, 09:18 AM
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#15
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Member
Join Date: Jul-2012
Location: Stephenville, NL
Posts: 139
Country: 
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Re: Using exhaled breath to create co2?
You're ending a creatures life.... stop trying to cut corners on cost. Do it properly and make sure there is very little or NO suffering.
Rob
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"Seek out argument and disputation for their own sake; the grave will supply plenty of time for silence." - CH
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