We got 2 new mares this spring to add to our paddock with our two geldings. Expected turmoil ensued as we slowly introduced the new horses but things settled down fairly quickly with only minor cuts and scrapes for everyone.
Now, 3 months later the lead mare (#2 in the pecking order) is attacking the other mare (#3 in the pecking order). It’s happened twice in a week now and the vet is headed out this afternoon because the 4am altercation this morning caused some significant damage to #3. I saw the first altercation - late afternoon - #3 was standing against a big hill with her butt towards #2 (we live in the mountains) - I didn’t see how it started but ran toward the paddock screaming as #2 was repeatedly kicking #3 in the butt with both back hooves flying. #3 didn’t seem to have the sense to leave (she had an out on one side).
4am altercation today - I heard, it woke us up. Seems that both mares were in one of the lean to’s together (not uncommon). #2 kicked the hell out of #3, but #3 didn’t have the sense to leave the lean to until I came in and they both walked out.
Why now? Pecking order stabilized fairly quickly 3 months ago. This is not a shortage of food or water and not happening at feeding time. The mares ride well together and trailer together. Everyone is getting maybe a bit less attention over the past couple weeks as we’re going back to school, etc - but it’s not a significant change.
The paddock is about an acre, so they are not too crowded. But as I mentioned we are in the mountains, so it’s not a paddock we could easily divide up to separate them permanently. I’d hate to think that we need to sell one of them but this level of violence/injury cannot continue.
Any thoughts?