Lauralee
Well-Known Member
Well I have saved the best for last!!! I'm going to get several posts started, in order to demonstrate the various pinto patterns to the folks that are showing a desire to learn. Please help me by posting pictures that depict typical FRAME OVERO.
I am trying to avoid examples where it is obvious that the horse carries more than one pattern, in hopes that it can be demonstrated what each pattern looks like. Lets keep this simple so that other folks can learn from it. Please do not complicate this thread with every color exception to the rule. That will only confuse newbies more.
This topic should prove the most controversial because of the LWO gene which is responsible for Frame Overo patterns. LWO stands for Lethal White Overo. When the LWO gene is present in BOTH parents, there is a 25% chance of a foal that is pure white but will not live beyond 2 days of age because of an incomplete intestinal tract.
There is a test to determine whether or not a horse carries LWO. I'll let the discussion of LWO continue from there.
So what makes a LWO (FRAME) OVERO? (IN GENERAL)
LWO causes blue eyes.
LWO puts white on the face.
LWO keeps the white on the flat surface of the face (above the lips).
LWO puts white in the center of the neck like a streak of lightning.
LWO puts white on the rear portion of the belly.
LWO can have zig zaggy edges to the pattern.
LWO leaves the legs solid colored.
LWO does not cross the midline of the back.
LWO leaves the mane and tail colored dark.
When viewed from the side you will see a Frame of color surrounding the white, in the moderate expression of the pattern.
LWO can also be very minimally expressed, leaving the eyes brown, and no body white.
HERE I NEED SOME GOOD EXAMPLES OF FRAME! None of my horses exhibit a good pure frame pattern. Dona????
I am trying to avoid examples where it is obvious that the horse carries more than one pattern, in hopes that it can be demonstrated what each pattern looks like. Lets keep this simple so that other folks can learn from it. Please do not complicate this thread with every color exception to the rule. That will only confuse newbies more.
This topic should prove the most controversial because of the LWO gene which is responsible for Frame Overo patterns. LWO stands for Lethal White Overo. When the LWO gene is present in BOTH parents, there is a 25% chance of a foal that is pure white but will not live beyond 2 days of age because of an incomplete intestinal tract.
There is a test to determine whether or not a horse carries LWO. I'll let the discussion of LWO continue from there.
So what makes a LWO (FRAME) OVERO? (IN GENERAL)
LWO causes blue eyes.
LWO puts white on the face.
LWO keeps the white on the flat surface of the face (above the lips).
LWO puts white in the center of the neck like a streak of lightning.
LWO puts white on the rear portion of the belly.
LWO can have zig zaggy edges to the pattern.
LWO leaves the legs solid colored.
LWO does not cross the midline of the back.
LWO leaves the mane and tail colored dark.
When viewed from the side you will see a Frame of color surrounding the white, in the moderate expression of the pattern.
LWO can also be very minimally expressed, leaving the eyes brown, and no body white.
HERE I NEED SOME GOOD EXAMPLES OF FRAME! None of my horses exhibit a good pure frame pattern. Dona????