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Why or how does sterility occur? #1294404
10/03/12 11:30 PM
10/03/12 11:30 PM
Joined: Sep 2012
Posts: 1,637
New York
Drea Offline OP
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SO, this is something I have been pondering and wondering for quite a while now and have never got around to asking.
I have a little boy who I've been assured will most likely be 100% sterile.
I was also reading the thread recently posted about the mosaic ring and sub-species being sterile.
SO I guess my real question is why do lines become sterile?
Does it effect their health in any other way?


I think that simply because I don't understand it, it worries me. So can someone please explain it to me? Preferably a breeder or mod because I would like to know for 100% certain, as my little boy is most likely going to be sterile.


-~~~ Drea ~~~- <3

super ecstatic mama to:
:bb: weebay (lil'boy) &&&&
:bb: beeble (lil'girl) &&&&
:rtmo: Tay-Bee (baby girl) <33333

Call or Text anytime for glider help - 570-850-2101 <3
Re: Why or how does sterility occur? [Re: Drea] #1294414
10/03/12 11:51 PM
10/03/12 11:51 PM
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Butte, Mt. USA
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Why do they assume your boy is from sterile lines? That is not something I would chance if you do not want babies or if he is with a sister or something like that. From what I know the sterility came from gliders being so inbred. A female from sterile lines can still have babies but will pass the sterile gene onto most male offspring.


Connie: soon to be wife to Harold, mom to 3 children, 2 precious kitties, and my treasured gliders.
Re: Why or how does sterility occur? [Re: Drea] #1294424
10/04/12 12:11 AM
10/04/12 12:11 AM
Joined: Sep 2012
Posts: 1,637
New York
Drea Offline OP
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From what I was told his brothers are also sterile.
Something about the breeding line?
I am just curious why it occurs.

He has shown no signs of maturing, no bald spot, etc.
Like I said I was assured he would be sterile, but I still keep a close eye.


-~~~ Drea ~~~- <3

super ecstatic mama to:
:bb: weebay (lil'boy) &&&&
:bb: beeble (lil'girl) &&&&
:rtmo: Tay-Bee (baby girl) <33333

Call or Text anytime for glider help - 570-850-2101 <3
Re: Why or how does sterility occur? [Re: Drea] #1294430
10/04/12 12:26 AM
10/04/12 12:26 AM
Joined: Sep 2004
Posts: 22,747
80 acres of paradise in KS
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There are several mosaic lines. Some are "sterile" lines because when the mosaics first popped up, the breeders who had them didn't understand how the gene worked. They thought that like Leus, that both parents had to carry the gene to produce the offspring. Because of this, they inbred them to produce more. The inbreeding caused the sterility. They then learned that only one parent has to have the gene to pass it on to their offspring (like with wf). Also like the wf, there are no mosaic "hets". Either the glider IS a mosaic or it isn't.

They (breeders) have been working hard to undo the damage done but the sterility can still show up. Gliders in these "sterile lines" should be listed as "sterile line" when being sold. Sadly, not all breeders are honest though. (and the sterile line mosaics are not "worth" as much)

There is the Snow White line of mosaics that are NOT sterile line mosaics. (my mosaics are from the Snow White line) I can never remember if there is another non sterile line or not.


620-704-9109
Judge not until you have walked in their shoes and lived their lives. What you see online is only part of the story.

I could have missed the pain
But I'd of had to miss the dance


The soul would have no rainbow if the eyes had no tears.
Re: Why or how does sterility occur? [Re: Drea] #1294438
10/04/12 12:51 AM
10/04/12 12:51 AM
Joined: Sep 2012
Posts: 1,637
New York
Drea Offline OP
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Yes, I'm glad my breeder was honest about it.
I would love my little boy no matter what.
He is, and always will be my pet. =]

Thank you for the info Dancing, I really appreciate it.
I actually just pmed you about something else.


-~~~ Drea ~~~- <3

super ecstatic mama to:
:bb: weebay (lil'boy) &&&&
:bb: beeble (lil'girl) &&&&
:rtmo: Tay-Bee (baby girl) <33333

Call or Text anytime for glider help - 570-850-2101 <3
Re: Why or how does sterility occur? [Re: Drea] #1294463
10/04/12 08:42 AM
10/04/12 08:42 AM
Joined: Aug 2010
Posts: 4,182
Maine
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If he is housed with his sister, I would still take him in to get neutered. You do not want to risk brother/sister babies. Males can breed without a bald spot; it is not indicative of fertility or maturity.

The vet will be able to tell you if he has testicles that have dropped.

Re: Why or how does sterility occur? [Re: Drea] #1294526
10/04/12 02:44 PM
10/04/12 02:44 PM
Joined: Aug 2012
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Upstate SC
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Also the sub species are not sterile. However when they are bred to a normal glider the off spring males of the cross between sub and normal are sterile. And the females will produce sterile.

I also agree that its better to be safe than sorry


Mama to:
:wfb: Crackers, Rocky, Linus
:leu: Olive
:rbridge: Nugget
mlove WinnieFred my poodle , and the dachshunds Hemi, Zach, Piper, Vera, Cupcake, Penny, Faith

I'm not lucky I'm blessed!
Re: Why or how does sterility occur? [Re: Drea] #1294530
10/04/12 03:55 PM
10/04/12 03:55 PM
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Posts: 5,336
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Dancing .. please don't be so sure that the snow white line is free from it's own set of issues, maybe not sterility from what is written in the database, we have no idea what was done before that..

here is something I just posted elsewhere regarding the sterility and what the database tells us..

Quote:
and there definitely is not the info in there of what was going on with helen morenos breeding program, the only gliders listed are the ones that priscella has already used and expanded on, but even still further back there are some real issues.. 2 gliders with no lineage just thrown together do not produce sterile lines as in champ and tilly and her new lines of cardie which she has added to the non sterile lines of corkey unless there were either issues before some serious serious inbreeding within inbreeding or mixing the subspecies which has proven sterility.. (mickey and minnie proved the inbreeding alone won't cause sterile lines) and the intense inbreeding linebreeding and inbreeding alone won't cause sterility if the pie bald attempts are looked at..
37 minutes ago Like 1
Bourbon H. we are so desperately trying to protect lines that they themselves are probably worse of than any mill bred glider out there.. LOL... tooo many layers on that onion, and no telling what really is at the core...but look at the bright side... we have lineage !!! no history.. just lineage.. of what some want us to have

Re: Why or how does sterility occur? [Re: Drea] #1294575
10/04/12 08:07 PM
10/04/12 08:07 PM
Joined: Sep 2012
Posts: 1,637
New York
Drea Offline OP
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He has been going - the vet has said the same thing.
No signs of maturation at all.
He also agreed with the information my breeder provided.
That level or repetitive sterility is usually permanent.
But I will always keep a close eye. He goes monthly until we're 100% sure.
The vet said that would be around a year to a year and a half.


-~~~ Drea ~~~- <3

super ecstatic mama to:
:bb: weebay (lil'boy) &&&&
:bb: beeble (lil'girl) &&&&
:rtmo: Tay-Bee (baby girl) <33333

Call or Text anytime for glider help - 570-850-2101 <3
Re: Why or how does sterility occur? [Re: Drea] #1294592
10/04/12 08:37 PM
10/04/12 08:37 PM
Joined: Sep 2007
Posts: 20,091
North Central Ohio
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What are your monthly vet visits for, and what will be around a year to a year and a half?


Shelly

Don't sacrifice quality information for convenient information.


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Re: Why or how does sterility occur? [Re: Drea] #1294593
10/04/12 08:40 PM
10/04/12 08:40 PM
Joined: Sep 2012
Posts: 1,637
New York
Drea Offline OP
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To be sure he really is sterile?
I keep getting conflicting advice on this.
This is my first time dealing with sterile gliders.
(or "a" sterile glider in this case)

Last edited by Drea; 10/04/12 08:41 PM.

-~~~ Drea ~~~- <3

super ecstatic mama to:
:bb: weebay (lil'boy) &&&&
:bb: beeble (lil'girl) &&&&
:rtmo: Tay-Bee (baby girl) <33333

Call or Text anytime for glider help - 570-850-2101 <3
Re: Why or how does sterility occur? [Re: Drea] #1294603
10/04/12 08:54 PM
10/04/12 08:54 PM
Joined: Sep 2007
Posts: 20,091
North Central Ohio
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I'm not positive on this, but if he's sterile, I don't think he would have testicles would he? Or is that just in some of the males?

I don't understand why you would have to wait over a year. dunno


Shelly

Don't sacrifice quality information for convenient information.


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Re: Why or how does sterility occur? [Re: Drea] #1294604
10/04/12 08:59 PM
10/04/12 08:59 PM
Joined: Sep 2012
Posts: 1,637
New York
Drea Offline OP
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That was kind of why I turned to here, because I was unsure.
I know all his brothers are sterile.
I've just been trying to do what I can, because honestly if I don't need to neuter him because of sterility that's a LOT of money that I really need.
My vet suggested doing this to be safe.

I don't know. He is not showing any signs of maturation and he's 15 weeks.


-~~~ Drea ~~~- <3

super ecstatic mama to:
:bb: weebay (lil'boy) &&&&
:bb: beeble (lil'girl) &&&&
:rtmo: Tay-Bee (baby girl) <33333

Call or Text anytime for glider help - 570-850-2101 <3
Re: Why or how does sterility occur? [Re: Drea] #1294605
10/04/12 09:07 PM
10/04/12 09:07 PM
Joined: Sep 2007
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North Central Ohio
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Have you felt to see if he has testicles?


Shelly

Don't sacrifice quality information for convenient information.


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Sugar Glider Foundation


Re: Why or how does sterility occur? [Re: Drea] #1294609
10/04/12 09:18 PM
10/04/12 09:18 PM
Joined: Sep 2007
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North Central Ohio
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Ok, I just confirmed this with another breeder. The males, if sterile with either not have any testicles at all, or they will be pin sized and/or have a flat pom. They can have a bald spot and still be sterile.

So, I would think that at 12 weeks OOP, the vet should be able to feel his testes and determine if they are of normal size or not.


Shelly

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Sugar Glider Foundation


Re: Why or how does sterility occur? [Re: Drea] #1294619
10/04/12 09:32 PM
10/04/12 09:32 PM
Joined: Sep 2012
Posts: 1,637
New York
Drea Offline OP
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Shelly! Thank you so much,
that's exactly what I needed.
He does have a flat pom, no testes.
He was just at the vet last week and that was the conclusion we both drew.
And i look daily still, jic.
Like I said he's 15 weeks now.


-~~~ Drea ~~~- <3

super ecstatic mama to:
:bb: weebay (lil'boy) &&&&
:bb: beeble (lil'girl) &&&&
:rtmo: Tay-Bee (baby girl) <33333

Call or Text anytime for glider help - 570-850-2101 <3
Re: Why or how does sterility occur? [Re: Drea] #1294625
10/04/12 09:38 PM
10/04/12 09:38 PM
Joined: Sep 2007
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North Central Ohio
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sounds like he's sterile to me.


Shelly

Don't sacrifice quality information for convenient information.


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Re: Why or how does sterility occur? [Re: Drea] #1294628
10/04/12 09:45 PM
10/04/12 09:45 PM
Joined: Sep 2012
Posts: 1,637
New York
Drea Offline OP
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Thank you Shelly, I appreciate it.
I keep a careful eye just in case, their cage is at the foot of my bed.
But I do think 100% that he is sterile, from the state of his physical body and from his lines and family members also.

I was just curious why sterility occurs because it's not something I really understand.


-~~~ Drea ~~~- <3

super ecstatic mama to:
:bb: weebay (lil'boy) &&&&
:bb: beeble (lil'girl) &&&&
:rtmo: Tay-Bee (baby girl) <33333

Call or Text anytime for glider help - 570-850-2101 <3
Re: Why or how does sterility occur? [Re: Drea] #1294640
10/04/12 10:19 PM
10/04/12 10:19 PM
Joined: Jan 2008
Posts: 13,267
Wisconsin
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I have a male that is sterile, he never dropped his testes into his scrotum.

He has a bald spot and a chest gland and is currently having a marking war with his little brother.

The vet was able to palpate one testicle in his abdomen but it is too invasive to neuter him.

With the testes in his abdomen, they are too warm and that kills the sperm.

He is at a higher risk of testicular cancer because of this.


Kimberley
Feathers-Sweetie, Sklyar Blue, Mister Peanut, Big Mack & Ibo
Fur-Guinan, Mr. Spock, T'Mir, Micheal, Stevie, Cho & Maharet :bb: T'Pol, Elizabeth & Curzon :wfb: TY, TJ, Khayman & T'Pring :rtmo: O'Ryan :leu:
Forever in my heart, Gizmo, Tucker and the rest of my babies over the :rbridge:

Re: Why or how does sterility occur? [Re: Drea] #1294649
10/04/12 10:36 PM
10/04/12 10:36 PM
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Posts: 20,091
North Central Ohio
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Although not the most reliable site for info, I got this off of http://en.wikipedia.org/wiki/Inbreeding_depression

Quote:
Breeding between closely related individuals, called inbreeding, may on one hand result in more recessive deleterious traits manifesting themselves, because the genomes of pair-mates are more similar: recessive traits can only occur in offspring if present in both parents' genomes, and the more genetically similar the parents are, the more often recessive traits appear in their offspring. Consequently, the more closely related the breeding pair is, the more homozygous deleterious genes the offspring may have, resulting in very unfit individuals. For alleles that confer an advantage in the heterozygous and/or homozygous-dominant state, the fitness of the homozygous-recessive state may even be zero (meaning sterile or unviable offspring).


Shelly

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Re: Why or how does sterility occur? [Re: Drea] #1294655
10/04/12 10:51 PM
10/04/12 10:51 PM
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North Central Ohio
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From http://www.apnm.org/campaigns/wildlife_diversity/GENETIC_DIVERSITY.php (More reliable site)

Quote:
Inbreeding (reproduction by closely related individuals) occurs in small and isolated populations. Inbred individuals are homozygous at many gene locations, allowing expression of normally recessive, deleterious genes. Common results are infertility, low survival rates and compromised resistance to disease. These results have been clearly documented in zoo populations and have been observed in several wild populations. In a decreasing population, inbreeding depression of reproduction and survival may accelerate a decline toward extinction.


Shelly

Don't sacrifice quality information for convenient information.


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Sugar Glider Foundation


Re: Why or how does sterility occur? [Re: Drea] #1294657
10/04/12 10:53 PM
10/04/12 10:53 PM
Joined: Sep 2012
Posts: 1,637
New York
Drea Offline OP
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So you think he's infertile because he was inbred??????


-~~~ Drea ~~~- <3

super ecstatic mama to:
:bb: weebay (lil'boy) &&&&
:bb: beeble (lil'girl) &&&&
:rtmo: Tay-Bee (baby girl) <33333

Call or Text anytime for glider help - 570-850-2101 <3
Re: Why or how does sterility occur? [Re: Drea] #1294662
10/04/12 11:55 PM
10/04/12 11:55 PM
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Butte, Mt. USA
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Drea do you have the lineage on this male? It would tell you a lot if you could track his lineage back and see what lines he came from and if there was a lot of inbreeding.


Connie: soon to be wife to Harold, mom to 3 children, 2 precious kitties, and my treasured gliders.
Re: Why or how does sterility occur? [Re: Drea] #1294667
10/05/12 12:56 AM
10/05/12 12:56 AM
Joined: Sep 2012
Posts: 1,637
New York
Drea Offline OP
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I don't.
And I accepted him as pet-only of course, both my twins are.
I don't mind - if I ever thought of getting a breeding pair eventually these two would never be involved in that equation, ever. I was just very curious about this topic.


-~~~ Drea ~~~- <3

super ecstatic mama to:
:bb: weebay (lil'boy) &&&&
:bb: beeble (lil'girl) &&&&
:rtmo: Tay-Bee (baby girl) <33333

Call or Text anytime for glider help - 570-850-2101 <3
Re: Why or how does sterility occur? [Re: Drea] #1294739
10/05/12 11:09 AM
10/05/12 11:09 AM
Joined: Aug 2012
Posts: 472
Upstate SC
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Most infertile are either bc of inbreeding or "mix" breeding


Mama to:
:wfb: Crackers, Rocky, Linus
:leu: Olive
:rbridge: Nugget
mlove WinnieFred my poodle , and the dachshunds Hemi, Zach, Piper, Vera, Cupcake, Penny, Faith

I'm not lucky I'm blessed!
Re: Why or how does sterility occur? [Re: Drea] #1294776
10/05/12 01:12 PM
10/05/12 01:12 PM
Joined: Sep 2007
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North Central Ohio
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Those lines were inbred which is what caused the sterility. The sterility gene is then passed on to future generations. It does not mean that your particular glider is inbred.


Shelly

Don't sacrifice quality information for convenient information.


Glider Nursery

Sugar Glider Foundation


Re: Why or how does sterility occur? [Re: Drea] #1294808
10/05/12 04:22 PM
10/05/12 04:22 PM
Joined: Apr 1999
Posts: 5,336
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Drea, with all due respects, the breeder KNOWS whether or not he is sterile.. or they can tell you, obviously it isn't something she is unaware of.

she sold that glider to you knowing it was from sterile lines.. I listed several reasons why a glider can be sterile.. and the foundation lines of some of the base gliders showed sterility , those lines they were trying to "breed out" placing them with other glider to remove the sterility.. this is not an uncommon practice, although looked down upon by some, it is a fact of life with all animals.just as the liger.. the females produce sterile males. they can and have tried to breed it out, but it still happens, that comes from cross breeding the sub species of a given species.. for example since the Carmel glider is a different subspecies than the standard sugar glider if cross bred they would and have produce a sterile line from the beginning.. although some people are being advised against it, there are others that are doing it anyway. so they will try to out breed them, and probably sell the offspring to unsuspecting people, or claim they are from a current sterile producing line.. they may sell them with knowledge and sell them as pet only..

most of the lines that have been heavily inbred are not the sterile lines.. so that blows the inbreeding as a cause out of the water.. The line of mickey and minnie have proved that, also with the early WFB lines of cereal..

the sterile mosaic lines have some pretty strange looking gliders that peaked the interest of many of the larger breeders, to try to get some of the genetic markers onto the other mo lines.

we are seeing things pop up now that have been around, not spoken of and honestly it has some of us concerned.. so people NOW are thinking... well time to clean up the lines.

To my knowledge my mo lines are not attached to the sterile lines producing or not.. but that may change as more and more breeders are putting the sterilty in their remarks, I may find out that mine is actually associated with it by distant parentage..

but it is your responsibility as an owner that got a glider as PET only KNOWING it's brothers were sterile.. to at all costs protect that glider from breeding, any offspring at all from him, you will be adding to the problem, rather than help clear it up. IF you are not sure it is sterile, then you need to make sure, before you put him in a cage with any female.. especially his sister..

all my mo's will be paired with Black beauties, as I am trying to get to the more focused lines without all the other genes getting all mixed in to what is already convoluted

I have a male here that is sterile, after 6 generations of being sterile producing lines, and 14 other offspring that wasn't.. so for me.. the sterility is clear.. at anytime it can raise it's ugly head..

Re: Why or how does sterility occur? [Re: Drea] #1294811
10/05/12 04:38 PM
10/05/12 04:38 PM
Joined: Apr 1999
Posts: 5,336
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Shelly, in this particular line and I can point you to a few more.. but here the sterile lines were blended with the plat lines.. (thought you'd be interested in that).. but if you follow the sterility there was no inbreeding at all.. but you can also see where more and more people are marking their lines in their remarks.. now this is only 1 straight line.. and each generation also had producing males and definitely producing females.. so those spread out like out of control crab grass...both ways each generation..
this one is only used as an example..because it is marked.. and the lines continue to grow


Macintosh

Re: Why or how does sterility occur? [Re: Drea] #1294814
10/05/12 04:50 PM
10/05/12 04:50 PM
Joined: Sep 2004
Posts: 22,747
80 acres of paradise in KS
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Posts: 22,747
80 acres of paradise in KS
Bourbon, you keep siting Mickey and Minnie as proof that inbreeding doesn't cause sterility. But all it proves is that it doesn't ALWAYS cause sterility.


620-704-9109
Judge not until you have walked in their shoes and lived their lives. What you see online is only part of the story.

I could have missed the pain
But I'd of had to miss the dance


The soul would have no rainbow if the eyes had no tears.
Re: Why or how does sterility occur? [Re: Drea] #1294816
10/05/12 04:59 PM
10/05/12 04:59 PM
Joined: Apr 1999
Posts: 5,336
Bee-Bopping round SnakePit USA
B
Bourbon Offline
Serious Glideritis
Bourbon  Offline
Serious Glideritis
B

Joined: Apr 1999
Posts: 5,336
Bee-Bopping round SnakePit USA
what sterile lines have heavy inbreeding in them?

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