Babigyrl,
I had a hen with an impacted crop.
I had the vet cut her crop open - remove the hay and then stitch her shut. Then we gave her Baytril for 7 days.
Because her crop was so sore after all that, I bought Kaytee Handfeeding baby bird formula at the pet store. I mixed the powder with water to make a thick paste and I syringe fed this hen for a week and kept her in the house because she could not take in enough food to keep warm. Yes, this happened two JANUARYS ago.
I also bought meal worms and wax worms from the pet store to feed her, fed her pasta and any other human food she wanted because I had to keep her weight up! She lost a lot of weight while she was impacted and when they lose a lot of weight in January - they will freeze to death if you leave them in the coop.
This hen recovered just fine and it was important that I pull her through, but it took quite an effort. Keep us posted!