Ok thank you, I was wondering about thisYou can try electrolytes for the one scouring if it continues, they sell it in packets at any store like tractor supply.
Also yeah you are going to need to start supplementing with a bottle. The ewe will not have enough milk for 3 lambs for long and if you dont start early the lambs will refuse the bottle later most likely. Two years ago we had to fight for 2 days to get a ewe raised lamb to take a bottle, she also never became friendly with people despite being bottle fed for 5 weeks. She was actually a single but we lost mom when she got in a fight with our herd queen(goat) in a confined space. Make sure she gets as much colostrum as possible from mom, you can offer a bottle to all the lambs and one will drink more...thats the one that will need bottled later. Even if mom tries to keep feeding all three it is going to take a huge toll on her, twins are toll enough let alone more.