[Jacob-list] WHITE LAMBS

[tim koenig]

Just a note...the white ewe lamb I originally posted about, has dark
BROWN eyes. No blue at all.


On Sat, Mar 31, 2012 at 11:41 AM, Neal Grose <nlgrose at yadtel.net> wrote:

> In my experience, this is testable by crossing the white or lilac Jacob to a

> homozygous white breed. The result should be a black or mostly black lamb.

> The piebald gene is mostly recessive (that too can give you some weird

> results depending on the white breed. Suffolk, Corriedale? You might get

> black and grey...)   The best test would be to breed to a moorit, which is

> the least dominant color, therefore all of the genes from the Jacob allele

> would express.

> It dawned on me that something weird was up the year we bred a lilac carrier

> Jacob ram over 4 white Lincoln X Finn ewes and got 13 black lambs. At any

> rate, % color will vary over a wide range, and will tend to expand that

> range without counter-selection. In other words, the more we don't select

> for a breed standard, the less the flock will look like the breed standard,

> regardless of "purity".

>

> Neal Grose

>

>

> -----Original Message----- From: Carl Fosbrink

> Sent: Saturday, March 31, 2012 12:28 PM

> To: G & J Johnston ; Jacob-list at jacobsheep.com

>

> Subject: Re: [Jacob-list] WHITE LAMBS

>

> Since a Jacob cross is black with usually a white spot on it's forehead I

> have been told that a Jacob with close to 15% dark is more likely to be pure

> Jacob than one with close to the 85% dark. I don't know about the all white

> other than an albino. Albinos can occur in any animal. I don't think all

> white with blue eyes instead of pink would be an albino, but simply an all

> white sheep.

>

> --------------------------------------------------

> From: "G & J Johnston" <westergladstone at btinternet.com>

> Sent: Thursday, March 29, 2012 7:05 AM

> To: <Jacob-list at jacobsheep.com>

> Subject: Re: [Jacob-list] WHITE LAMBS

>

>> As a Jacob is genetically a black sheep with white spots, would a totally

>> white one not simply be expressing an all-encompassing white spot?  Or is

>> that too simplistic?

>>

>> www.scothebs.co.uk

>>

>>

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