Like that of Frog123, my pond froze again last night (temp down to -4.2oC) and the anguish suffered by those still awaiting their first spawn should be tempered by the fact that my spawn has now been frozen on three separate nights since laying on 27/2-1/3. Although I am hopeful that at least some of the lower layers of spawn may still be viable, Frog123's warning about freezing effects is concerning
. So, your spawn may be a little late but maybe better than early spawn that has been clobbered by the elements. Survival rates should become apparent in a week or so, last year my spawn eggs went from dot to commas (indicating growth of embryo) 10 days after laying.
M