Rams need to be separated from lambing ewes. Your 3 month old ram is of breeding age. You need to take both rams out. If one pen and pasture is all you have, a quick way to build a pen is with cow panels. They are 16 feet long by 50 inches tall. T-posts, 1 in the middle and 1 on each end, wired together. Cut one in half for a gate. 4 panels plus half for a gate and you have a pen.
What are your plans for the young ram? You only need one. You can either eat him or sell him. Put an ad on Craigslist or take him to auction if there is one close enough.
I wean ram lambs at 2 months old. Usually by that tender age, some are already mounting the ewes. The ewe that lambed 3 months ago is more than likely bred again.
The 2 rams are fighting, getting more aggressive and dangerous. That’s another reason to get one gone ASAP. Plus a ram can be aggressive when you are doing something with the ewes and hurt you. If the 1 month old lamb is a ewe , the ram will breed her on her first heat, usually around 4 months old, which is too young and would likely stunt her growth and development. Some people breed young ewes at 6 months, most wait until 8 months to a year old.
You will find that you will need weaning pens, the rams separated from the ewe lambs.
Some of us know WAAAAY too much about young rams breeding the flock. They are sneaky little devils.
Bottom line is, one ram has to go. The other ram needs to be separated from the ewes. Somewhere as you go along, you will learn how to castrate or used a bander to relieve young ram lambs of those pesky testicles that make them act so bad. Then you can pasture them with the flock and raise them up for the freezer.
Cow panels and T-posts are my go-to for instant pens.
I really wish you the best and want you to succeed with your sheep. It takes a lot of bravery to come ask a bunch of complete strangers for help. Kudos to you for that!
Feel free to ask anything, you will get help.
. Listen to her. We ladies tend to be clearly and quickly truthful 
