CanadianBuckeye
Songster
Sorry for not being more clear. I think 60 grams is adiquate and perhaps the bare minimum. Somewhat heavier eggs won't do any harm in my opinion but to expect a corresponding egg weight to that of the Leghorn is far more than I would ever aspire from one of these extra large birds, either Buckeye or Chantecler. 65 to 70 grams would be sweet but tops ....for MY purposes.
Thanks Hellbender, that's exactly what I was thinking too, so it sounds do-able-just by selection- I wouldn't want an egg regularly bigger than 70 grams, I think that might be a bit too hard on any chicken. I've seen some whoppers though! Poor birds.