Most of the poultry farms in Japan hit by avian flu since last year had flaws in preventing access of wildlife to poultry houses, government officials said Saturday.The farm ministry's inspection of affected chicken farms found that 90 percent of the surveyed farms had defects in keeping poultry separated from wild birds and other animals such as holes in roofs and walls of chicken houses.The Ministry of Agriculture, Forestry and Fisheries has confirmed an avian flu outbreak at 39 farms so far this season, resulting in culling of about 6.2 million birds, a record number for one season.The m…READ FULL ARTICLE