57,000 laying hens were killed in Abbega at the end of last month. Another company in Fryslân infected with bird flu. The latest in a long row of similar reports throughout the province: Blije (three companies infected and one also cleared preventively), Tzum (two infected), Koudum, Aldwâld, Wâlterswâld, Tjerkgaast, Ried, Minnertsga, Scharnegoutum and Parrega.