We sell round bales, and our customers say net wrap can camouflage a bad bale. We use plastic twine, with a double feed system that takes less time and rotation to secure the bale. We store as recommended, in rows, north/south oriented. We haven't been able to convince our customers to follow our plan, and they lose a lot of hay to moisture.
Never been a round bale farmer always used squares. We have many farms and horse centers around us that use round bales and the waste is absurd. I watched a horse center near us stack 700 round bales down the center of a field and cover them with tarps and they might have fead 100 of those round bales if they were lucky and had one heck of a mess in spring to clean up. It was all rotted and falling apart and they were buying hay before end of winter. I see round bale feeders all over with piles of rotted hay around them just always seems to be alot of waste with round bales. I haven't heard many great things about wrapping round bales either.
There are some more efficient round bale feeders that we encourage producers to consider. Our ag television show SUNUP has done a number of segments on these. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-p0rWZd_DeLQ.html