Federal fisheries officials are defending a decision to allocate the majority of the redfish quota in the Gulf of St. Lawrence to companies operating large vessels, most of which are based in Nova Scotia.The fishery will reopen in June after a 30-year moratorium.Senior bureaucrats from the department appeared before a parliamentary committee on Tuesday and faced hostile questions from MPs from three different parties — a reminder that the offshore sector, defined as vessels over 100 feet, have f