The pigs on a farm in Taitung, eastern Taiwan that were diagnosed with the influenza A (H1N1) virus late last month are recovering without showing new traces of the virus, a Council of Agriculture (COA) official said yesterday.The infection was discovered among a herd of 160 pigs raised on the farm in Taitung County's Guanshan area after the animals came down with coughs, runny noses and diarrhea around the end of October.