[Jacob-list] SUED question
Linda
patchworkfibers at windstream.net
Thu Mar 22 19:27:52 EDT 2012
Neal,
Twice, I've noticed severe sued in sheep with forward horns. You often
get more separation between tops and laterals in a forward horned
animal.The two times I've seen severe sued, both sheep were very forward
horned. I'm guessing forward horns constitute a dramatic separation.
Linda
On 3/14/2012 4:31 PM, Neal Grose wrote:
> I'll second (third?) Carl here. There is SOME independence between
> polycerate and SUED, but not much. I have even had a crossbred whether
> with scurs and SUED.
>
> Here, we very seldom see SUED in ewes, and generally not in rams where
> there is not a dramatic separation between the side horns. This is a
> trait to control, not one that we should attempt to eliminate. What we
> want is MEDIUM.
>
> Neal Grose
> PS: I saw a picture of a yak on TV the other day and realized it
> looked as though it had 4 horns. Unfortunately, the remote doesn't
> have a "wt...heck" feature.
>
>
> -----Original Message----- From: Carl Fosbrink
> Sent: Wednesday, March 14, 2012 11:07 AM
> To: Jacob-list at jacobsheep.com ; Lasell J. Bartlett
> Subject: Re: [Jacob-list] SUED question
>
> Lasell,
>
> I don't understand what you mean by a 4 horned "carrier". All Jacobs
> are carriers. SUED is part of the polycerate genes. It can occur in
> any 4
> horn mating and is not a problem in a mild case. The genes that cause the
> horns to split can run down to the eye socket and that can cause a
> split in
> the eye lid as I understand it. I have looked at skulls from my own dead
> Jacobs and have observed a split in the eye socket on the skull of a 5
> horned ewe that did not show up as a split in the eye lid of that ewe.
> Some 2 horns are actually completely fused 4 horns and some are
> actual
> 2 horns. SUED could show up in 4 horned offspring of 2 horned Jacobs
> because
> it is part of what causes the horn buds to split.
> I would never cull a good Jacob with a slight notch in the upper
> eyelid because SUED is part of the Jacob breed. If we were to completely
> breed it out we would end up with a 2 horned breed of sheep and
> although we
> have had 2 horns in our Jacobs ever since the introduction of the English
> imports Jacobs are known for their multipule horns and I love a
> beautiful 4
> horned Jacob.
>
> Carl Fosbrink
>
> --------------------------------------------------
> From: "Lasell J. Bartlett" <lasell at lasell.org>
> Sent: Wednesday, March 14, 2012 7:32 AM
> To: <Jacob-list at jacobsheep.com>
> Subject: [Jacob-list] SUED question
>
>> From what I understand, SUED shows up when a 4 horn carrier breeds
>> with a 4 horn carrier, and chance has it show it. (Sorry for rough
>> genetic description?)
>> Can a 2 horn Jacob carry the gene and pass it along, so that even if
>> it would never show up in a 2 horn sheep, it could show up in a later
>> generation if the 2 horn or its offspring, had 4 horn offspring
>> (that was bred to carrier 4 horn)?
>>
>> Or does the gene NOT get passed along through the 2 horn sheep?
>>
>> Or something else?
>>
>> Under what circumstances do any of you breeders cull or not cull
>> lambs with (milder degrees of) SUED?
>>
>> Lasell J Bartlett
>> lasell at lasell.org
>>
>>
>>
>>
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