The May vaida was down while the July contract was unchanged on the forward cottonseeds oilcake market on Thursday in the process of trading, dealers said. The May contract closed at Rs 2050.00 but it commenced with 50 paisa decline at Rs 2049.50 in the wee hours, they said. The July contract closed at Rs 2150.00 and it opened with no change at the same rate, they said.