Samples of 10 dead poultry birds from Dolasa village in Gujarat's Gir Somnath district have tested positive for avian influenza, officials said on Saturday. This is the first case in Gujarat where poultry birds have tested positive for the infection, an official from the state animal husbandry department said. Earlier, samples of some wild birds had tested positive for the flu in few districts of the state. "Ten samples of poultry birds (chicken) tested positive for avian influenza, following which 220 birds in three backyard farms in the village were culled," deputy director of animal husbandry at Gir Somnath, D M Parmar, said.