Can Chickens Live on Grass Alone? Debunking the Pasture-Fed Poultry Myth

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Allowing a flock to roam across green space improves animal welfare and cuts feed costs, but pasture management requires strategic limits. Commercial poultry nutritionists recommend that pasture forage and scratch grains together account for no more than 10% to 15% of a laying hen's total daily dry matter consumption. The remaining 85% to 90% must come from a complete, nutritionally balanced feed formulated specifically for production stages.

Backyard keepers should make commercial layer feed continuously accessible rather than withholding it to encourage foraging. Chickens regulate their intake according to energy requirements. Providing complete feed inside the coop in the morning ensures birds fulfill their baseline requirements for methionine, lysine, phosphorus, and calcium before heading out to graze.

Free-range grazing also creates an unavoidable requirement for insoluble supplemental poultry grit. While wild birds pick up small quartz pebbles from exposed soil, domestic runs and thick lawns often hide suitable stones beneath turf matting. Supplying crushed granite grit in a free-choice dispenser allows hens to replace the stones ground down in their gizzards, keeping their muscular digestion functioning smoothly against fibrous grasses.