Genetics

catchall for all things genetic

Fun with skewbalds: extensive white spotting in Soay sheep

Fun with skewbalds: extensive white spotting in Soay sheep

The third in a series of posts about white spotting. Part I addressed a series of questions about the frequency of white spotting in Soay sheep, whether skewbald is “normal” in Soay, and whether breeders should try to get more or less white spotting in their flocks. Part II presented extensive lambing data in an […]

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White spotting in Soay sheep:  twinks and carrier status

White spotting in Soay sheep: twinks and carrier status

The second in a series of posts about white spotting. The first addressed a series of questions about the frequency of white spotting in Soay sheep, whether skewbald is “normal” in Soay, and whether breeders should try to get more or less white spotting in their flocks. Apology and Caution: following contains excessive amounts of […]

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White spotting in Soay sheep

White spotting in Soay sheep

Over the last few months, we have received a number of questions about white spotting, one of the most visible traits in British Soay sheep. I have to admit I never gave much thought to spotting until now; it was just there in our flock. But worried Soay sheep colleagues sooner or later worry me, […]

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Little black Soay sheep on display in the play yard

Little black Soay sheep on display in the play yard

I just can’t resist sharing a photo I was lucky to get a few days ago. Most of our lambs are now in a sunny high dry area of our farm with their moms, and are moving off to pasture grass a weeks’ worth of lambs and mothers at a time. How the lambs love […]

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Baa baa black sheep

Baa baa black sheep

A lot’s been happening on our farm since I posted a couple of weeks ago about four of our pregnant ewes we hoped would give us black Soay lambs this year. Without further ado, here’s the report on their lambs. First came Heywood with a stunning set of twins, one medium charcoal grey and the […]

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Color and pattern in Soay sheep: an update

Color and pattern in Soay sheep: an update

Regular readers of this blog will remember the three-part series of posts I put up in March 2011 to introduce the new fleece colors and patterns that resulted from adding two new rams to our breeding program: Mustard and Norris. Both of these rams lived in Wales at the time, but they donated their sperm […]

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