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Treating moldy, viable eggs?

bwaffa Jul 31, 2009 07:49 PM

After candling, it appears at least four of my five recently deposited pueblan milk snake eggs are viabale. Unfortunately, one of the viable ones (the one precariously glued to the top of an unfortunate three-viable-egg pyramid) is already beginning to grow mold. The eggs are currently in an egg box inside a Thelco scientific incubator which fluctuates daily between 81.7 and 84.1 degrees F, and the relative humidity seems to stay between 75-85%. The egg box is a shallow gladlock plastic container, filled 1/3 of the way with damp vermiculite (1:1). The eggs are covered by paper towels which are spritzed as needed with filtered water to keep things moist (thanks, Dave Niles, for this gem!). I do not wet the eggs directly.

The incubator currently lacks a fan, so the air is not circulating ideally, but I do open the incubator door at least once a day to check on the eggs, plenty for gas exchange although perhaps not the best situation to deter mold growth.

At any rate, it seems mold is virtually a fact of life here in New Orleans (this is my first year breeding in this pressure-cooker of a city). Even the newspaper cage substrate I use on most of my pythons has to be changed at least once a week or mold will begin to grow. If this turns out to just be an environmental something I'm going to have to continuously fight, is there a safe way to do so? I've heard anecdotes of people using listerine or salt water solution on a Q-tip to wipe mold away, but haven't verified any of these stories. Has anyone here tried such a thing or heard of other methods? I'm in the process of baking vermiculite (hoping to kill any spores) and transferring the eggs to a new, "clean" box in the meantime. Thanks in advance for any advice or insight!
Waffa House Reptiles

Replies (6)

jeff schofield Jul 31, 2009 10:30 PM

I am not sure why more people dont incubate on paper towels like I do....Easy to come by, hold moisture well, easy to see infestations(mold, carrion flys etc), and easy to keep clean as you can change em like a diaper. I have had eggs eaten from below by fly larvae eggs that have hatched in the media....but I digress.
I do dip q tipes in hydrogen peroxide and swap eggs if they start to discolor but for mold I find ZEOSORB(anti-fungal available at a pharmacy)sprinkled on/through the clutch fights the remaining mold--after the eggs are moved to a clean paper towel. Good luck

bwaffa Aug 08, 2009 07:05 PM

Thanks, Jeff. I got similar advice before I even read your reply, so that's exactly what I did. So far I've managed to keep all viable eggs alive and mostly mold-free. Now I'm battling those Phorid carrion flies you referred to... Never a dull moment, huh?

The few eggs that were attacked I moved onto paper towels like you suggested and it IS making it much easier to monitor for fly larvae... Do you crumple the paper towels to make more of a bed, or just let the eggs rest flat on sheets of the stuff? Thanks for your suggestions!

Dniles Aug 01, 2009 07:59 PM

hey Brad,

it sounds like you certainly don't have a humidity issue down there in LA given what you said about the newspaper substrate. I don't have any good advice on the moldy eggs other than don't pitch them because some nice healthy snakes can still crawl out of really ugly looking eggs.

Good luck!

Dave
DNS Reptiles

bwaffa Aug 08, 2009 07:09 PM

Thanks again, Dave. The mold seems to be mostly under control, but it's still early so we'll see. The latest tropical challenge, as I just mentioned to Jeff, are these damn carrion flies... I'd heard of them when I was in Chapel Hill, but I have NEVER had to battle them like I do here -- it's a JUNGLE down here!
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JYohe Aug 02, 2009 03:10 PM

....I would wonder why they get moldy to begin with?

....thoughts....

...I use vermiculite and bury eggs halfway or more...shoeboxes, on the shelf at my eye level in snake room , 80 to 86 degree fluctuations without a fan....(I just started running a fan for the rest of the summer) ,humidity...well...let's just say the floor is sweating, literally...the water beads are just popping up out of the floor...the walls are wet and the rain comes in at times, and oh yea...the washing machine overflowed a couple times this week while I tweeked the flow fill switch ....so ,yea...it's humid.....

....mold should not be on a good egg....so....

thought....stop covering eggs with paper towel...
start with drier vermic mix.......
wipe eggs with dry Q-tips only if necessary....
don't use an incubator for colubrid eggs....
...more air holes in box....

...all I got thus far for ya'......?.....I do get moldy eggs, I let them rot usually......some eggs swell and grow while incubating ,some stay about the same sized.....I don't lose that many eggs......???

Good Luck....!!!!
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JY
Scales-N-Tails
reptiles ltd.

bwaffa Aug 08, 2009 07:10 PM

Thanks for the suggestions!
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