i have a stock hen that still hasnt layed for me , most layed at the beginning of this month. she has previuosly (her last nest last year) layed on the floor (deep litter) right by the drinker , which caused up-set with other pairs (the cock drove all others away). so this year ive locked them up each night to make sure she lays in the box ,,,,,,,,,,,,, still nothing ? any advice or tips folk,s ??