Bearish trend was witnessed on the forward cottonseed oilcake market on Monday in process of trading, dealers said. The March vaida that had shown no change at close at Rs 1237.30 opened with a loss of 20 paisa at Rs 1237.10. The May contract which closed at Rs 1319.70 also dropped 40 paisa at Rs 1319.40 in process of trading, they said.