had the same problem with mine when i first started i just kept them in for a few days and everytime they got a feed i just whistled and shaked the bucket off feed for a wee couple of mins then filled the feeder done this for four days same time them let the ybs out 45 mins before feeding time then shaked the bucket and whistled standing at the trap and they were down like bullets ps worked for me might not for others just saying what i did atb pal