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Daisyleo Contributing Member
Joined: 10 Sep 2005 Posts: 67
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Posted: Sun Feb 18, 2007 8:01 pm Post subject: |
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cjreptiles wrote: | Spiderman wrote: | It can be hard to sex them as hatchlings but once they have grown on it becomes easier. |
Especially because they can't be temperature sexed. |
what makes you say that hun?
although some fluctuations last year my majority were female from a low temp? |
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cjreptiles Contributing Member
Joined: 25 Oct 2006 Posts: 133 Location: Bristol
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Posted: Sun Feb 18, 2007 8:27 pm Post subject: |
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Daisyleo wrote: | cjreptiles wrote: | Spiderman wrote: | It can be hard to sex them as hatchlings but once they have grown on it becomes easier. |
Especially because they can't be temperature sexed. |
what makes you say that hun?
although some fluctuations last year my majority were female from a low temp? |
Well, it's not conclusive, but there is a lot of debate (especially in the US) about whether Mack snows can be temperature sexed or not. Some breeders say theirs have been, while others say they get random numbers at all temperatures, so I suppose it remains to be seen for sure. One train of thought (and probably the most accepted at the moment) is that they CAN be temperature sexed, but at slightly higher temperatures than normal (I think it was higher!).
I don't know what, if anything, in the Mack trait would be temperature sexing impossible, so who knows... |
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cjreptiles Contributing Member
Joined: 25 Oct 2006 Posts: 133 Location: Bristol
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Posted: Sun Feb 18, 2007 8:28 pm Post subject: |
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Spiderman wrote: | cjreptiles wrote: | Spiderman wrote: | It can be hard to sex them as hatchlings but once they have grown on it becomes easier. |
Especially because they can't be temperature sexed. |
They can be temperature sexed!!!, although temperature fluctuations etc can lead to hot females being produced at male temperatures. |
Are you talking about leopard geckos in general or the Mack snow morph? If the latter, I would like to see your proof. Not saying you are wrong, but if there is now conclusive proof one way or the other, I would like to see it. |
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cjreptiles Contributing Member
Joined: 25 Oct 2006 Posts: 133 Location: Bristol
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Spiderman Contributing Member

Joined: 15 Dec 2006 Posts: 157 Location: Warwickshire
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Posted: Sun Feb 18, 2007 11:33 pm Post subject: |
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I was talking about leopard geckos in general.  _________________ Deano |
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cjreptiles Contributing Member
Joined: 25 Oct 2006 Posts: 133 Location: Bristol
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Posted: Mon Feb 19, 2007 12:37 am Post subject: |
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Spiderman wrote: | I was talking about leopard geckos in general.  |
I thought you might have been.
By the way, your profile says you are a student - which uni (presuming you are at uni) do you go to? |
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Spiderman Contributing Member

Joined: 15 Dec 2006 Posts: 157 Location: Warwickshire
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Posted: Mon Feb 19, 2007 7:17 pm Post subject: |
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No I don't go to uni, I go to Warwickshire College. _________________ Deano |
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serpent Key Member
Joined: 12 Jul 2004 Posts: 426 Location: Kent
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Posted: Sun Mar 18, 2007 6:58 am Post subject: |
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I had a brief exchange of emails with Albey Scholl from http://www.albeysreptiles.com/ about macks and TSD
This is a reply I got from him
............At least four breeders that I have talked to personally incubated their Mack eggs at 80 – 82 degrees Fahrenheit to produce Females and all of us hatched out Males at that temperature. It doesn’t work so much the opposite way if you incubate at 88 – 90 degrees Fahrenheit to produce Males but at least some hatch out as Females. It has do be something with the Mack’s that cause this but no one knows what. It hasn’t happened to me this year as much as it did last year but it is still happening. It happens even if you are doing combo morphs. I hatched out two Tremper Albino Super Snow’s this year that were incubated to be Female and they hatched out Male. I am sorry I can’t give you a more scientific answer but I really don’t have one. LOL
Thanks,
Albey Scholl _________________ People laugh at me because I am different
I laugh at them because they are all the same. |
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