bide a wee
Mia #531
(Click photos to
enlarge)
Born: 2-18-14
2 Horns - Twin - Eyes: L1/R3*
60% white / 40% black
Photo taken 9-5-15
*Note:
Jacob sheep are 'polycerates' which means they
carry genetics
for multiple horns. The genes which cause
the horns to spit into multiple
horns can also cause the split to run down
to the eye socket, creating
a split in the upper eyelid. The term for
this is Split Upper Eyelid Deformity (SUED). The numbers 1 through 4 are used to
describe the severity of the
split. Type 1 = normal
eyelid, Type 2 = a slight break or notch in the eyelid,
Type 3 = a split
eyelid, often tufted, Type 4 = a severe split, often with a cloudy/opaque
eye. It's an individual breeder's decision whether or not
to use an animal with SUED. On our farm we're
willing to use a EWE with
a #2 or #3 split provided we like everything else
about her. We would not
however be likely use a RAM with a #3
split since he has the ability to
produce a lot more lambs over his lifetime than a ewe does.
Using a TRUE 2 horn ram (NOT a 2 horn who is actually a 4 horn with the
tell tale seam running the length of his horns) on ewes with SUED can help
reduce the incidence of SUED in her lambs.
SUED should be
monitored in a flock but total suppression could cause a decrease in the
number of 4 horn Jacob sheep. For example, in
England,
breeding against SUED eliminated much of
the 4 horn Jacob population.
|
Sweetgrass Tobin
JSBA #C127-10
4 Horns - Twin - 65% white / 35% black
|
Sweetgrass
Riordan
JSBA #D041-09
4 Horns - Twin - 60%
white / 40% black |