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Why are baby rodents resistant to hypoxia?

mrbfrog Jan 14, 2004 02:49 AM

I am asking why it is hard to kill baby mice and rats in CO2 tanks? I don’t really understand why it would not work well.

Also I feel kind of horrible when I kill a bunch of pinkies, I have been putting them in a freezer and walking away and it is making me feel pretty bad. Is there a faster way that is not messy? I don’t have a problem killing the adult mice and rats but something about letting a baby freeze to death is really bothering me. I tried feeding the pinkies live but my snake didn’t kill it, it just started eating it still squirming and I did not like watching that, It is not really a viable option since the pinkies quickly outgrow the appropriate size for my snake.

I also do not want to smash its head or cut it off, I would like the pinkie to be intact. I read somewhere about putting a screwdriver behind the head, pulling and breaking the neck. Dose this work well, is it easy to pull the head off?

Dose anyone know at what age the C02 chamber starts to work effectively with rodents?

Thanks

MrBFrog
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0.0.1 Common Columbian Boa (Damian)
0.0.1 Amel Cornsnake (Kernal)
0.0.1 Okeetee Cornsnake (Guido)
1.1.0 Lhasa Apso's (Monkey, Tiffany)
1.0.0 Rat Terrier (Ricky)
1.3.0 Mice (nameless)
0.0.4 Goldfish (nameless)
0.1.0 Beta Fish (nameless)
0.0.1 Snail (Gary)"Meoow"

Also Canibal the Musical is just about the the most funny movie ever!!!

Replies (3)

Sasheena Jan 14, 2004 07:01 AM

Momma mice often feed their brood by lying on the entire brood, who nurse upwards to the teats. If you've ever seen a mouse with a large brood, you can see why nature built them as resistant to hypoxia... if they weren't the momma mouse would lose half her litter in the first day due to smothering them to death. Pinkies are a difficult critter when it comes to euthanizing. They are quite rubber, so breaking their little neck is out of the question. I once put some in a baggie and brought it down with a sharp THWACK on the counter... .pinkie soup! ewww. Now if I want to quickly euthanize a pinkie I usually throw it down on the ground with force. That usually kills them pretty instantly but doesn't leave them as SPLATTERED, which is good. I would imagine that once a mouse is 3 weeks old they are no longer resistant to hypoxia. I've used a CO2 method on mice that age with no problems.
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~Sasheena

Kikai Jan 14, 2004 08:03 AM

My snake ate a pinky arse-end first, alive, and my kids freaked as it squeaked all the way down...blah! So, since then, I just tap them on the head with the thick handle of a butter knife. It doesn't take much force to kill a pinky, and you don't have to freeze them to death, then defrost them again.
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1.1 Ball Python 0.0.1 corn snake 1.0 Bearded Dragon
0.0.2 fish 1.2 cats 3.1 kids 1.0 husband and now...
0.0.1 Pink Zebra Beauty Tarantula
0.2 Solomon Island Boas

mrbfrog Jan 14, 2004 11:34 AM

np
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0.0.1 Common Columbian Boa (Damian)
0.0.1 Amel Cornsnake (Kernal)
0.0.1 Okeetee Cornsnake (Guido)
1.1.0 Lhasa Apso's (Monkey, Tiffany)
1.0.0 Rat Terrier (Ricky)
1.3.0 Mice (nameless)
0.0.4 Goldfish (nameless)
0.1.0 Beta Fish (nameless)
0.0.1 Snail (Gary)"Meoow"

Also Canibal the Musical is just about the the most funny movie ever!!!

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