This great tutorial on how to fix a chick's curled toes is such a simple and easy thing to do.
This tutorial comes from Avian Aqua Miser's website. Visit the original page here for full instructions.
Avian Aqua Miser recommends using 3M Transpore Tape for 2-3 days.
Curled toes can result from incorrect incubation, such as the wrong temperature or humidity or wrongly positioned inside the egg.
Curled toes can also be the result of a vitamin deficiency, Add some Solvita (RRP $15) water soluble powder to their drinking water to help correct issues in conjunction with taping the toes open.
To prevent birth defects in chicks, make sure your incubator is running at the correct levels in each stage of the incubator period before hatching day. Use a thermometer and hygrometer to keep track and top up the humidity tray with warm water if needed.
Curled toes in older hens is usually due to a lack of Vitamin B1 or B2 in their earlier stages of development. In those cases, try the Solvita first to see if that will help correct the problem. After a year, many hens may have permanent toe curl issues which may not be able to fully corrected.