Lemon balm (Melissa officinalis) is a perennial shrub and widely used herb native to the Eastern Mediterranean region and Western Asia. It has traditionally been used for a variety of cognitive purposes, most of which are centered around improving cognition and reducing stress and anxiety. Lemon balm contains numerous chemical compounds, including polyphenolic compounds (rosmarinic acid, caffeic acid and protocatechuic acid), essencial oils (citral), monotherpenoid aldehides, sesquiterpenes, flavonoids (luteolin) and tannins.
Lemon balm essential oil can actually help inhibit the avian influenza A virus.
Use as an feed/water additive
In one study, 120 "broiler" chickens were fed 0.2% lemon balm essential oil extract added in their drinking water. The outcome of the study showed positive results for the chicken's immune status improved.
Nestbox herb: Chicken care bloggers report that many use lemon balm in their nestboxes, for its use as a form of aromatherapy, repellent of rodents, and antibacterial properties. The leaves can be added to nestboxes in fresh or dried form.