HGG Community Forums

If the kit cross isn't safe, I wouldn't do it. Here's a link to hopefully explain it all.

http://hj2.huntandjump.com/forum/discussion/13757/new-kit-lethality-and-kit-mutation-load-explained#Item_11

This stallion has two kit genes (w2 and w20). The w20 is mostly alright, but the w2 will end up being the problem, I believe.

It's not loading for me. I take it since he is a warmblood it'll be the pasture with most wambloods in it, so primary?

http://hj2.huntandjump.com/pub_member.php?u_id=14374&p_id=0&past=y

Yes those are the mares. I dont fully get the wf. Or the genes that make it. Not sure if that makes sense.

Ok then i may have to buy some in a few days. I think my 2g mares all have some sort of wf.

Most of my mares have either W20 or W2.

I agree with Denalidom. I would cross him with mares that have W20 but I would avoid breeding him to mares with W2 because the risk is moderate.

I think of the white factor (WF) as a radar for determining how "broken" the genes are. If the white factor is high or extensive, you will notice that the majority of the horse is white especially with the white spotting mutations like W and W2.

I have been experimenting with the KIT genes because I love my KP line and, like Denalidom, I simply keep numerous stallions to have ideal crosses with mares. At the start, I didn't keep colts with high risk (lethal) genes but, now that I've grown my mare herd, I do because I have "plain" mares to breed them to. It is all about the long game and deciding what genes you want to have in your herd then deciding how to introduce them into your stock. :)

@best friend, it all takes a lot of practice. I would suggest going to the "search horses" engine and selecting the "pattern" tab then search horses with Kitw and Kitw2. Separately, of course, so that you can begin to identify each pattern.

From what I understand, W20 works as a booster and is safe with most patterns. If the horse doesn't have another pattern to boost, you don't see much change. If a horse does have a pattern, such as W2, then W20 will work to expand the expression of the gene thus more white on the horse.

Alright thanks guys gonna go study that now.

@best friend, I did not realize you meant to learn about the nomenclature and the scientific means of the occurrence. I am not 100% certain I can help, but I would suggest investigating the USDavis Veterinary Medicine website. They produce quite a few scientific articles regarding white spotting mutations and dominant white, and I believe they are reputable.

Otherwise a good old search on google is great, too! As far as I understand it, Kitw on HJ2 is dominant white and Kitw2 is another dominant white variant. Though, in the scientific community, I think they are adopting the term white spotting because not all of the Kit mutations follow autosomal dominant inheritance thus the confusing name of "dominant" white that isn't genetically dominant. From my understanding, a lot of the number that goes behind the "W" is to simply keep track of the individual mutations that have been identified to keep them separate because some white patterns that look the same are not across the breeds: for example, I believe W3 is a white spotting that occurs in Arabians. But I'm babbling now, it is late for me and I should be in bed, so back on topic I would suggest wikipedia to start your search and delving further to find more trustworthy, accurate sources of information. By googling you can definitely identify which white spotting is which, what breed has the mutation, and how the mutation interacts at the molecular level to produce the phenotype most associated with the mutation.

As for the horse search engine on HJ2, I would suggest taking a break and coming back to it later. Sometimes when we look the hardest we don't see it even thought it is right in front of us. I have noticed a trend that the white spotting mutations and the dominant white patterns often correlate with high white factor while the other Kit mutations can have a range of none - extensive white factor depending on other genes such as splash and frame. It is all about variables from sire and dam + a little bit of random, I don't know how foals are generated so the random might not be so random.

It's white spotting in the game too.

What makes the horses either none to extensive? Not sure if I am asking the right question.

So w10 and w1 look very similar. I am wondering if I am right there right factor is from the belly down?

W1 and w10 both cover the legs and lower belly, with more extensive white following a higher white factor. W1 has smudgy edges and w10 has sharper edges. They also interact with w20 differently, w10+w20 is a white horse with a few colored speckles.