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Old 01-26-2013, 10:45 PM   #1 
norico
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Sex-choice Birth

Hello there,

Do you know how to Sex-choice Birth ?
I have had breeding many times, and I got 300 fry.
But male was only 4.
Is there something good tips ?

And if male and female in in same tank, female betta has a lot of incubation behavior fast ?
This means, I heard male has some male hormone. And female has something reaction of male hormone.

Thank you,
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Old 01-27-2013, 04:42 AM   #2 
Fabian
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You can't control the number of males and females in your spawn.But i heard you can adjust the temperatures to increase the number of males/females when the are still in the egg.
The males may produce a kind of hormone that makes the female more likely to be in a breeding mood and will breed with that male.
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Old 01-27-2013, 07:48 AM   #3 
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Originally Posted by Fabian View Post
You can't control the number of males and females in your spawn.But i heard you can adjust the temperatures to increase the number of males/females when the are still in the egg.
The males may produce a kind of hormone that makes the female more likely to be in a breeding mood and will breed with that male.
Uh, I see I can't control... I just wonder can I do that or not. Maybe it's high temperatures to increase the number, right ?
The males has hormone. I just heard that, and I want to know it true.

Thank you for your answer !
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Old 01-27-2013, 08:26 AM   #4 
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I know the temp. thing works with reptiles and bird eggs,but never heard about it with fish eggs. We should find out, that would be cool if we could.
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Old 01-27-2013, 08:31 AM   #5 
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I know the temp. thing works with reptiles and bird eggs,but never heard about it with fish eggs. We should find out, that would be cool if we could.
OKay, I search about the temp.
It's good information for us.

Thank you !
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Old 01-27-2013, 12:10 PM   #6 
indjo
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There are a few myths on this:
1. Age - sex will lean towards the younger (4-5 months). Older female tend to produce more females.
2. Temp - more male in higher temp. More female in lower.
3. The first 3 spawn (female) after which she will produce more female.

I rely on myth 2 and 3.
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Old 01-27-2013, 05:13 PM   #7 
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Originally Posted by indjo View Post
There are a few myths on this:
1. Age - sex will lean towards the younger (4-5 months). Older female tend to produce more females.
2. Temp - more male in higher temp. More female in lower.
3. The first 3 spawn (female) after which she will produce more female.

I rely on myth 2 and 3.
Oh, Thank you so much !
It's really great information !
If I breading next time, I will hight temp!

Thank you very much !
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Old 01-28-2013, 07:06 AM   #8 
norico
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Quote:
Originally Posted by indjo View Post
There are a few myths on this:
1. Age - sex will lean towards the younger (4-5 months). Older female tend to produce more females.
2. Temp - more male in higher temp. More female in lower.
3. The first 3 spawn (female) after which she will produce more female.

I rely on myth 2 and 3.
I want to know how much is high and lower temp values ?

Thank you,
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Old 01-28-2013, 07:20 AM   #9 
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i just look over wat every 1 just said n i know 1 think for a fact that work temp is wat make the % of males or females last summer well where i live it summer every day :D but the high temp give me more males that females i had 2 spawns of all meaning 100% male spawn 2 times some other spawns had 70/30% my spawn time was from late june till october plus that storm season here in the carribean so we have high temp at that time, the out side temp was mostly 30-32 at that time so over night u had some temp of 27-28c yea hot is hell at night :)
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Old 01-28-2013, 07:31 AM   #10 
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Originally Posted by chardzard View Post
i just look over wat every 1 just said n i know 1 think for a fact that work temp is wat make the % of males or females last summer well where i live it summer every day :D but the high temp give me more males that females i had 2 spawns of all meaning 100% male spawn 2 times some other spawns had 70/30% my spawn time was from late june till october plus that storm season here in the carribean so we have high temp at that time, the out side temp was mostly 30-32 at that time so over night u had some temp of 27-28c yea hot is hell at night :)
Oh, my God ! 100% male ! 70/30% is great !
I guess the temp is really important !

Thank you so much for sharing a good information !
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