P257 CEEFAX 257 Fri 7 Feb 19:20/00        Buys until February 14 +'  Pork and poultry are again good value with plenty of special offers around. Fish is also plentiful this week, with lots of bargains for the thrifty shopper. Cod, mackerel and haddock fillets are all good buys. Lemons are down in price in good time for "pancake" Tuesday and English Cox's are excellent value. Vegetables are reasonably priced — with the exception of cauliflower — though if the cold weather persists, prices of root crops could rise. Fruit and vegetable prices 259