Aids in ensuring calf adoption by natural and foster mothers. Shelf life is 18 months if stored in cool, dry place with lid applied tightly. Contains animal protein products and ammonia. Field tested on cattle in Nebraska and Iowa. Works best at room temperature. Calf claimer powder. For animal use only. Easy to use: lightly dampen calf’s back, flanks, neck and nose with damp towel, shake powder over dampened areas and lightly massage in. Mother recognizes smell on calf and allows calf to nurse.