Unsure of the trigger, but just want to wish you luck with your alpine farming.
Aussie who loves himself a 7790 JD cotton picker, 100ac was most i got off in one day. (22.5hrs)
Currently a 300 ac irrigated beef farmer with Hereford Angus x.
Gear-MF i148, 7 disc offset plow, fert/seed broadcaster, harrow bars.
Only crop for improving grazing capacity so don't need much.
Aussie farmer who thinks FS 19 rulz
Xbox gamer tag- TopCheesey420
If you stand in the Animal Dialog trigger facing the pen, the straw trigger is just to your right, on the angled corner of the pen.
I don't think it takes bales, so you'll need a loading wagon or a straw blower.