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#1049805 - 01/02/11 08:14 PM Bald Spot
GliderNursery Offline
Glideritis Anonymous

Registered: 09/14/07
Posts: 20049
Loc: North Central Ohio
Is the bald spot on the top of a male gliders head indicative of being sexually mature?

I have heard and read many times that a male is not sexually mature until he has his bald spot. Although this "sign" is indicative of maturing, it is not a fool-proof method of knowing if your little guy is ready to reproduce or not.

I have had several male joeys that have what appears to be a bald spot as early as 7 weeks old. These guys were not sexually mature.

I have also had a male breed a female before he ever had any sign of a bald spot. (Thankfully, these two were paired together for that reason, so no "oops" there! smile )
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#1049810 - 01/02/11 08:22 PM Re: Bald Spot [Re: GliderNursery]
IslandGliders Offline
Glider Addict

Registered: 08/29/10
Posts: 4182
Loc: Maine
I'm interested to read the answers to this! I've also heard you can tell if a mo male is sterile or not by presence or absence of the bald spot. dunno

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#1049850 - 01/02/11 09:14 PM Re: Bald Spot [Re: GliderNursery]
suggiemom1980 Offline
Glideritis Anonymous

Registered: 03/05/07
Posts: 13744
Loc: Vincennes, IN, USA
My youngest male to get his bald spot was 5 1/2 weeks. Even neutered males can have a bald spot. My Roo has been neutered and then had to have his pom removed, but he still has a definite bald spot. Kanani, my mo ring tail has fathered 2 babies but his bald spot isn't much different from Roo's.
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#1050064 - 01/03/11 10:41 AM Re: Bald Spot [Re: GliderNursery]
heidi Offline
Glider Slave

Registered: 10/08/09
Posts: 1661
Loc: conway south carolina/ us
Males do not become sexually mature until their PomPoms drop... Depending on the their breeding as it can vary alot can be from 10+ months - almost 2 years old.. I have a male he is about 15 months & his Pompoms just dropped..

The bald spot is a scent gland, and does not mean that they are sexually mature..
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#1050069 - 01/03/11 10:49 AM Re: Bald Spot [Re: IslandGliders]
heidi Offline
Glider Slave

Registered: 10/08/09
Posts: 1661
Loc: conway south carolina/ us
Originally Posted By: ParadiseOnCall
I'm interested to read the answers to this! I've also heard you can tell if a mo male is sterile or not by presence or absence of the bald spot. dunno


I haven't heard this one, but have heard that if their pompoms do not drop it is very likely that they are sterile..
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#1050157 - 01/03/11 02:29 PM Re: Bald Spot [Re: GliderNursery]
AnBglidermommy
Unregistered


I have a male who is 10wks oop and his poms are out already and you can tell hes getting his bald spot when you look at his head from a certain view you can see it. I haven't seen him sexually active with his sister though. Luckly hes getting neutered next week!

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#1050244 - 01/03/11 06:14 PM Re: Bald Spot [Re: heidi]
GliderNursery Offline
Glideritis Anonymous

Registered: 09/14/07
Posts: 20049
Loc: North Central Ohio
Originally Posted By: heidi
Males do not become sexually mature until their PomPoms drop... Depending on the their breeding as it can vary alot can be from 10+ months - almost 2 years old.. I have a male he is about 15 months & his Pompoms just dropped..

The bald spot is a scent gland, and does not mean that they are sexually mature..


I have never heard it take 10 months to 2+ years for their testicles to drop into their scrotum. This usually occurs very early on from as early as 3 months OOP. According to Suz, 12 weeks OOP is the earliest known case of a male joey being able to reproduce.

If you mean when they let the pom drop and literally "hang", that is for temperature control. They lower the pom and it looks like it's hanging from a string.
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#1079635 - 03/01/11 11:29 PM Re: Bald Spot [Re: GliderNursery]
ssuver Offline
Glider Slave

Registered: 03/14/10
Posts: 1616
Loc: Texas, U.S. 76022
On 2 out of 3 of the Sugar gliders I have had neutered there bald spot filled back in with in a matter of just weeks. I think personally that it is an indicator of sexual maturity. However I don't have not raised a large number of sugar gliders. I think this question might be better answered by some one who is an avid breeder.
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#1079693 - 03/02/11 03:37 AM Re: Bald Spot [Re: GliderNursery]
JillMarie Offline
Serious Glideritis

Registered: 01/03/09
Posts: 7748
Loc: New Jersey
I am also wondering if the presence of a bald spot depends on HOW they are neutered. If its pom off or pom on. I have read that a pom on neuter means the male will still have some testosterone produced in their bodies, so MAY still have a small bald spot. I am also wondering if it has to do with the AGE at which they are neutered and if the spot was there already, will it go away?
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#1079699 - 03/02/11 03:58 AM Re: Bald Spot [Re: GliderNursery]
chattrbabe Offline
Glider Addict

Registered: 08/10/08
Posts: 4108
Loc: Phoenix AZ
Lucian was one of my first joeys. Right at 4 months, his marblies were there, his spot was coming in and as a precaution for no Oopsies, I had him neutered. I have 4 boys with no pom, and two with pom. I DP notice that the pom on boys still have a small oil gland on their head, while the pom off boys may as well just be girls, as there is literally nothing on their heads. Granted, there is still some mounting and some marking.

Another thing i notice is the pom off boys don't mark nearly as much as my pom on's. Their fur is also much cleaner and looks great, while the other two boys look like boys, with gross fur, from marking. ohwell

I feel that as a precaution, if you have joeys, get them done within a month of the marblies being in the bag. roflmao
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#1079703 - 03/02/11 04:28 AM Re: Bald Spot [Re: GliderNursery]
Gizmogirl Offline
Glideritis Anonymous

Registered: 07/31/09
Posts: 13454
Loc: South Africa
I've only had pom off neuters, all of the boys bald spots disappeared. I have noticed that the age at which they are neutered do play a role.

I've had one and two year old boys neutered who's bald spots took much longer to go away than the male who was neutered at 6 months of age. Then I had a boy neutered right after his testicles dropped, he did not have a bald spot at the time, and never got one.
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#1079863 - 03/02/11 01:29 PM Re: Bald Spot [Re: GliderNursery]
Megs
Unregistered


Charlie is 'around' 2 years old. He had a pom off neuter within his first year. There's no bald spot or oil gland on his chest, I've never seen him floss and I've never seen him mount either of his ladies.

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#1079869 - 03/02/11 01:43 PM Re: Bald Spot [Re: GliderNursery]
hpyhwn2003 Offline
Glider Addict

Registered: 01/24/09
Posts: 3636
Loc: In paradise
I don't believe that going by the bald spot is a good way to measure if a male is mature enough to breed. You have to watch their pom. When it drops they are ready to breed. I too have never heard of this happening before 3 months oop but I'm going to assume that it can happen. I personally watch the pom because I've had male joeys who's scent gland on their head was already well established before their pom dropped yet they showed no interest in fooling around. However, in most all of my male joeys once their pom dropped I'd catch them sniffing the female's parts and shortly thereafter will catch them in the act.
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#1080486 - 03/03/11 06:14 PM Re: Bald Spot [Re: GliderNursery]
Tammie1971 Offline
Glider Lover

Registered: 01/15/11
Posts: 557
Loc: Middlesex County, New Jersey
DO ALL unaltered males develop a bald spot?
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#1080847 - 03/04/11 01:18 PM Re: Bald Spot [Re: Tammie1971]
GliderNursery Offline
Glideritis Anonymous

Registered: 09/14/07
Posts: 20049
Loc: North Central Ohio
Originally Posted By: Tammie1971
DO ALL unaltered males develop a bald spot?

Yes. (Although I'm not positive about sterile lines. dunno )
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#1084029 - 03/13/11 09:40 AM Re: Bald Spot [Re: GliderNursery]
Habibti812
Unregistered


This is an interesting conversation as I've also wondered about this.

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#1084080 - 03/13/11 01:24 PM Re: Bald Spot [Re: GliderNursery]
Dancing Offline
Glideritis Anonymous

Registered: 09/10/04
Posts: 22746
Loc: 80 acres of paradise in KS
First you have to understand what the bald spot is and what causes it. (MOST do know, not assuming anyone is dumb or anything)

The bald spot is caused by scent oils that are secreted. These oils are triggered by testosterone. Testosterone is produced by the testicles, the scrotum AND adrenal gland.

Testosterone IS produced in both males and females and is necessary to both. Males produce much more and the majority of that testosterone is used by the reproductive process.

Removing the testicles will remove most but not all of the testosterone. Removing the scrotum will remove more. The adrenal gland however is still there and still produces small amounts.

Some self mutilating is triggered by hormones and is why in those cases, we recommend a pom OFF neuter, so that the hormones can be reduced as much as possible.

Sterile males will still usually have a scrotum and they certainly have adrenal glands so even if they fail to develop testis, they will still be producing testosterone so can still develop the bald spots.

With ferrets, it is believed that because they are neutered/spayed so young (most ferrets sold come from the Marshall mill that neuters/spays way to young) that once they become adults and reach sexual ages, the adrenal glands try to make up for the other removed testosterone producing glands and goes into over drive. This is believed to be the reason ferrets are so prone to adrenal disease.

Based on how ferrets adrenals react to young neutering, it is why I won't have my joeys neutered before 4 months old. And even that young concerns me.

While the bald spot can be in INDICATION that a glider is reaching sexual maturity, it is not the definitive indicator nor is it the only one.


Added....this is why some females will also get a hint of a bald spot. For whatever reason, she is just producing more testosterone or it is just being misdirected within her body.


Edited by Dancing (03/13/11 01:38 PM)
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#1084477 - 03/14/11 12:18 PM Re: Bald Spot [Re: GliderNursery]
Johannasgliders Offline
Glider Slave

Registered: 03/21/10
Posts: 2342
Loc: Inman, SC
I always do pom on and never neuter before 5 months. The vet I use recommends 6 months due to the Anesthesia.

Why would you need to take more than the testicles? Just leave the empty sack, use a little glue, no stitches and they are back with the gang w/in 24 hrs. As long as there are no complications.

I guess it's just a preference. dunno
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#1147651 - 07/18/11 09:28 PM Re: Bald Spot [Re: GliderNursery]
Tricky
Unregistered


I had a glider that had a "thinning spot" but it never really was bald.........he was sterile so I wondered, too. I've never had a male glider that had a really large bald spot, but I have definitely seen them and I often wondered if it was any indication as far as how fertile they were! LOL smile

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