Supha Maneephong, who sells fresh chicken at a market in the southern province, said that supplies during the Je Festival would be cut by 30 per cent, from 100 chicken a day.
She admitted that her income during the week-long period would fall.
The festival will be celebrated nationwide during October 13-21.
In Phuket, the most popular spot for festival goers, shrine cleaning took place today along with the decoration of all roads with yellow flags and red lanterns.