[Jacob-list] SUED question

[Neal Grose]

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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