All birds experience stress, which can weaken their immune systems and have negative effects on your flock. Causes of severe stress can include prolonged weather extremes, social hierarchy, predator attacks, molting, and exposure to germs. FlockLeader Recover 911 helps the recovery of a flock by promoting the growth of good bacteria in the gut and preventing dehydration. Signs of severe stress poultry can include extreme or prolonged panting, appetite/thirst loss, egg reduction, dirty eggs, lethargy, self isolating, and pasty butt/diarrhea.