My three dogs, a chow cross, a rottweiler and an Afghan hound can be in the fenced pen without showing any aggression towards my poultry. The Newbie French Bulldog is not yet trustworthy.
Corrections regarding poultry aggression seem to be more meaningful when newer dogs see the older...
Although apple seeds contain amygdalin, a cyanogenic glycoside; ; but the seeds would need to be crushed when chewed to release enough to be a problem gastrointestinal passage is fast enough in dogs and chickens so it isn't generally a problem.
However because the seeds sit in the rumen of...