Fresh.

1. Fresh clam meat contains protein, multiple vitamins and nutrients needed by fish such as calcium, phosphorus, iron, selenium, etc. It is good for hooking, has a good taste, and is easier to attract fish to take the bait. The trace elements are lost when cooked and the taste is small.

2. Fresh clam meat contains trace amounts of cobalt, which has a good effect on maintaining the hematopoietic function of fish, restoring liver energy, and secreting cod liver oil. It has high nutritional value and is ideal for feeding fish and fishing. The second option, cooked cod liver contains less oil.