Chicken and Path clear and Stump rot

Hi
I need to spray stump rot on some stubborn weeds in the back garden, the box says to keep animals and children away until the spray has dried, but what about chickens. Most of the weeds I am spraying aren't one they would eat, hence why they are there lol, but it could get onto other weeds they may eat.  Would they have to be locked away until the weeds have died and been dug up?  Or would they be ok to go back out the next day.
Many thanks

Yeah its more stump rot in a sprayer im using on nettles, thistles, ground elder etc.
Thanks, for confirming what i was thinking