High Calcium Oyster Shell Supplement

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Purina High Calcium Oyster Shell Supplement

Helps support egg shell integrity by providing extra calcium in free-range conditions or when scratch grains, table scraps, etc., comprise a major portion of the diet. High in calcium.

Features & Benefits

Excellent source of supplemental calcium
Supports egg shell integrity


Calcium (Ca)  36 %
Calcium (Ca)   41 %

Feeding Directions


Purina® Oyster Shell provides supplemental calcium in situations where the fortified layer diet may be diulted with additional low-calcium foodstuffs.


Use only as directed. If an excessive amount of grit accumulates in the feed troughs, reduce the level added.


Provide free choice next to feed during the laying season, or mix 1 lb with 20 lbs of feed.