Stronger Eggshells: Get stronger, thicker, healthier eggshells from laying (20+ weeks) chickens by boosting their calcium with oyster shell organic, all-natural calcium booster Happier & Healthier Chickens:Strengthen bones (reduce bone break & damage), bolster blood vessels, boost immune systems, improve cardiovascular function & reduce egg breaking with oyster shell 24/7 Calcium Boost: Coarse limestone provides a consistent calcium release into the laying hens bloodstream overnight & the powder provides an immediate calcium boost - perfect for strong eggshells Laying Chickens Need Calcium: Eggshells are 94-97% calcium carbonate. Oyster shell is an organic, natural way to give chickens the calcium boost needed to produce strong eggshells that will not break
