Maybe try and set up on the ground in between their bedding and food source and maybe you can catch them up and moving before dark. One thing is for sure if what's your doing isn't working you need to change something and I'd start by not hunting the feeder but instead trails or sneak in close to bedding area.
US Army combat engineer retired
I could never repay you for the pleasure I've gotten out of your meat package.
I ordered a number one, sandwich only, with no condoms.