Re: [gecko]Deformed Leopard geckos

2004-03-03 Thread Steve Sykes
I have seen eye mutants, dwarf leopards, and tail kinks.  I have heard from several 
sources that
eye mutants are due to a vitamin A deficiency, and a bird supplement called Vionate 
will provide
the right balance, although i have never used Vionate myself.  Has anyone used 
Vionate?  I have
observed eye mutants seem to come groups (supporting a temporary deficiency problem in 
the mother
that was remedied later in the breeding season).  A few years ago the first eight 
leopards I
hatched of the year were all eye mutants (from different females in the same breeding 
group), but
I only hatched a couple more that year out of hundreds of eggs.

The dwarf leopards are cute, and usually catch up in size over time.  I have looked 
inside the
eggshells of dwarf hatchlings and found unused yolk, so it appears this may be due to 
some sort of
development problem.  I think of them as premies.  

The tail kinks definitely appear to be genetic on some level, possibly bahaving as a 
recessive
trait.  It seems to be especially common in patternless, or het patternless animals.  
I always
thought it would be neat to do some controlled crosses to figure out how the tail 
kink trait
works, but then again I don't want to propagate this fault!

Regards,

Steve
www.geckosetc.com

--- nathan greenlay [EMAIL PROTECTED] wrote:

-

julie,

I seem to get dwarf leopards more than anything else.

i would agree with this.  most non-normal leopards seem to be smaller in general as 
hatchlings and
as adults.

An interesting note, the slight tail kink guys I have kept don't seem to produce any 
abnormal
babies that I have noticed

i have a patternless male leo with a small kink in the tip of his tail.  his offspring 
with two
kink-less patternless females are about 50% with kinked tail, 50% without.  it seems 
to be
inherited somehow.

i would also agree that most of these mutations (such as the tail kink) would arise 
from genetic
inbreeding.  no other gecko has been bred to the extent that leopards have, so this 
does not
surprise me.  take a look at what a couple centuries of inbreeding has done to the 
common
goldfish...now, there are some hideous mutations!!


nathan
nathan greenlay
 www.geocities.com/geckoboy14 





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Re: [gecko]Deformed Leopard geckos

2004-03-03 Thread Steven Groginsky
I had a dwarf last season.  She wasn't eating so I had to feed her Ensure 
out of an eyedropper twice a day.  As of a couple of weeks ago, she hadn't 
grown much bigger than when she hatched, although she was eating mealworms 
on her own.  Being mistakenly housed with two other babies who grew 
normally may have contributed to the problem, however.  I guess that dwarfs 
and all hatchlings should be housed individually to avoid competition for 
food and territory.

When she hatched, there was some kind of mass (not yolk) occupying half of 
the egg.

At 03/03/2004 01:04 PM, you wrote:
I have seen eye mutants, dwarf leopards, and tail kinks.  I have heard 
from several sources that
eye mutants are due to a vitamin A deficiency, and a bird supplement 
called Vionate will provide
the right balance, although i have never used Vionate myself.  Has anyone 
used Vionate?  I have
observed eye mutants seem to come groups (supporting a temporary 
deficiency problem in the mother
that was remedied later in the breeding season).  A few years ago the 
first eight leopards I
hatched of the year were all eye mutants (from different females in the 
same breeding group), but
I only hatched a couple more that year out of hundreds of eggs.

The dwarf leopards are cute, and usually catch up in size over time.  I 
have looked inside the
eggshells of dwarf hatchlings and found unused yolk, so it appears this 
may be due to some sort of
development problem.  I think of them as premies.
snip

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Re: [gecko]Deformed Leopard geckos

2004-03-02 Thread Tim Walton

I used to work at The Gourmet Rodent, the biggest leopard gecko breeding facility on earth. They discovered that too much calcium caused deformities. I am unsure exactly what kinds of deformities theywere had.They combated the problem by adding a multivitaminto the mealworm cup kept in each cage, always keeping it full of mealworms and vitamins.They alsotake the geckos off of calcium carbonate sand once adults. Crickets are dusted with calcium powder and added twice a week. At least this is the method used while I worked there a couple of years ago.

If you are out there sorry Bill and Marcia, in case this info was supposed to be classified, TimPaul [EMAIL PROTECTED] wrote:
Hello all,I have seen some deformities cropping up in leopard geckos from a fewdifferent breeders (ex. Tail Kink and Malformed Eyes.) Does anyone have athero of facts on what causes these deformities (ex. Incubation technique,breeding or genetic?)Paul___Global Gecko Associationhttp://www.gekkota.comClassifiedshttp://www.gekkota.com/cgi-gekkota/classifieds.cgigecko mailing list[EMAIL PROTECTED]http://lists.gekkota.com/mailman/listinfo/gecko
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Re: [gecko]Deformed Leopard geckos

2004-03-02 Thread Paul
Julie and all,

A breeder I contacted off list belives the tail kinks are symptoms of
calcium defiency, and the malformed eyes are a vitamin A defficiency in the
mother.

   Any opinions?

Paul


- Original Message - 
From: Julie Bergman [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, March 02, 2004 12:24 PM
Subject: Re: [gecko]Deformed Leopard geckos


 Paul, I seem to get dwarf leopards more than anything else. The next
 most common thing would be a tail kink, usually very slight. Lots of
 inbreeding has been done with leos and genetics are a good bet for some
 of these traits. An interesting note, the slight tail kink guys I have
 kept don't seem to produce any abnormal babies that I have noticed.

 Julie B.

 Paul wrote:

 Hello all,
 
   I have seen some deformities cropping up in leopard geckos from a
few
 different breeders (ex. Tail Kink and Malformed Eyes.) Does anyone have a
 thero of facts on what causes these deformities (ex. Incubation
technique,
 breeding or genetic?)
 
 Paul
 
 
 
 


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Re: [gecko]Deformed Leopard geckos

2004-03-02 Thread nathan greenlay
julie,
I seem to get dwarf leopards more than anything else.
i would agree with this. most non-normal leopards seem to be smaller in general as hatchlings and as adults.An interesting note, the slight tail kink guys I have kept don't seem to produce any abnormal babies that I have noticed
i have a patternless male leo with a small kink in the tip of his tail. his offspring with two kink-less patternless females are about 50% with kinked tail, 50% without. it seems to be inherited somehow.
i would also agree that most of these mutations (such as the tail kink) would arise from genetic inbreeding. no other gecko has been bred to the extent that leopards have, so this does not surprise me. take a look at what a couple centuries of inbreeding has done to the common goldfish...now, there are some hideous mutations!!
nathan


nathan greenlay
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