[Jacob-list] Statistics on white cats

[Linda]

If a lamb got an e+ from each parent, lamb would show an agouti pattern 
- one pattern of which is white. If this lamb was bred to a sheep 
withone Ed and one E+, resulting lambs could be either black or white, 
depending on which gene lambs got in that cross. Bred to a sheep that 
had two Ed, lambs would be black(or brown,according to the theory that 
there is a dominant brownvariation). The presence of even one Ed makes a 
sheep black. Or so I hear.


On 5/4/2013 8:59 AM, Peg Bostwick wrote:

>

> Okay -- help me out.  I sorted this out mentally once, but have 

> forgotten.  If the lamb got an E+ gene from each parent, would that 

> sheep have black lambs or white?   I really need to try to find my old 

> notes -- I was not as good at record keeping early on, at least for 

> the commercial flock.  I know I bred one of the all white lambs to a 

> Jacob ram once, and it had a spotted lamb.  I know I bred one of them 

> to a white, old type merino once, and got an all black lamb.  (I 

> remember that because we kept the black Jacob Merino cross in our 

> flock.)  It also seems to me, though, that they also had white lambs 

> when crossed with our white corriedale -- that is where I have to go 

> look for notes.

>

> Peg

>

> *Peg **Bostwick***

>

> peg at sweetgrass-jacobs.com <mailto:peg at sweetgrass-jacobs.com>

>

> 517-626-6981

>

> *From:*Linda [mailto:patchworkfibers at windstream.net]

> *Sent:* Friday, May 03, 2013 6:24 PM

> *To:* Peg Bostwick

> *Cc:* jacob-list at jacobsheep.com; pbpiep at att.net

> *Subject:* Re: [Jacob-list] Statistics on white cats

>

> Got too quick on the send button. The thought on the genetics list was 

> that a Jacob that produced a white lamb when crossbred carries only 

> one dominant black (Ed) gene rather than two. The lamb got the E+ gene 

> instead of the Ed gene. It seems possible that an all white Jacob lamb 

> (all white meaning NO color anywhere including horns and not an 

> albino) may have gotten an E+ gene from each parent. Possible, but 

> maybe not the only explanation.

>

> I've never actually seen one with no color, but the pictures I've seen 

> have had blue eyes. Do all white Jacobs occur with brown eyes?

>

> I had a white cat with green eyes, who could hear. She was pregnant 

> when she was given to me. She had three blue eyed white kittens - all 

> deaf. I have a calico cat that might as well be deaf for as well as 

> she listens to me.

>

> Linda

>

> On 5/3/2013 5:31 PM, Linda wrote:

>

>     This topic was recently discussed on the sheep-genetics list in

>     regard to a Jacob ram that sired a white lamb on a

>     Southdown/Shetland cross ewe. The breeder now says the lamb has

>     pale tannish spotting, so may be a different issue.

>

>     On 5/3/2013 9:14 AM, Peg Bostwick wrote:

>

>         Hopefully Ingrid will respond directly -- but I did talk to

>         her way back when we had our two white ones, and at that time

>         she gave the "one big spot" explanation.

>

>         *Peg **Bostwick*

>

>         peg at sweetgrass-jacobs.com <mailto:peg at sweetgrass-jacobs.com>

>

>         517-626-6981

>

>         *From:*jacob-list-bounces at jacobsheep.com

>         <mailto:jacob-list-bounces at jacobsheep.com>

>         [mailto:jacob-list-bounces at jacobsheep.com] *On Behalf Of

>         *pbpiep at att.net <mailto:pbpiep at att.net>

>         *Sent:* Thursday, May 02, 2013 7:35 PM

>         *To:* jacob-list at jacobsheep.com <mailto:jacob-list at jacobsheep.com>

>         *Subject:* [Jacob-list] Statistics on white cats

>

>         The issue of deafness in white cats is tied to the color of

>         their eyes.  If the white cat has blue eyes, it will be deaf

>         from birth.  If it has one green eye or both eyes are green,

>         the cat can hear.  Your local veterinarian will verify that.

>

>         In rabbits the eyes have to be pink, not blue, to be a true

>         albino.  And since many of the Jacobs have blue eyes, if they

>         were a true albino would their eyes also be pink??

>

>         What does Ingrid Painter have to say about totally white Jacobs??

>

>

>

>

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>     -- 

>     Patchwork Farm Jacob Sheep <http://www.patchworkfibers.com>

>

>

>

>

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>


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