I also have to disagree simply because i have two 1998 nestmates (cocks) who are still producing top birds. Last year one of them produced 1st, 4th, 10th, 24th, 26th NIPA Section E up to 6000 birds and 4th, 10th, 40th, 81st, 154th NIPA Open up to 29000 birds. Last year i got 10 ybs from these two cocks. SL